{"title":"Bearings","description":"","products":[{"product_id":"ge5c-spherical-bushing-plain-bearing","title":"GE5C Spherical Bushing Plain Bearings","description":"\u003cp\u003eThe GE5C is a radial spherical plain bearing with a 5mm bore: a steel inner ball seated in a steel outer race with a PTFE-composite sliding surface, so it self-aligns and runs maintenance-free with no balls or seals. The spherical contact absorbs misalignment and edge loads, which is why it's used in 3D printer joints such as Voron Tap and other pivoting\/articulating mounts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesignation: GE5C (radial spherical plain)\u003c\/li\u003e\n\u003cli\u003eBore (ID): 5mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter (OD): 14mm\u003c\/li\u003e\n\u003cli\u003eWidth: 6mm (inner ring width ~4mm)\u003c\/li\u003e\n\u003cli\u003eConstruction: steel on PTFE composite, self-lubricating\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold in packs of 3 or 4.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"3","offer_id":42869697478878,"sku":"4276355420","price":12.99,"currency_code":"USD","in_stock":true},{"title":"4","offer_id":42869697511646,"sku":"4276355421","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitled11_0.5x.jpg?v=1624390525"},{"product_id":"f695-2rs-flanged-ball-bearing","title":"F695-2RS Flanged Ball Bearing","description":"\u003cp\u003eThe F695-2RS is a flanged miniature deep-groove ball bearing for 5mm shafts, double rubber-sealed (2RS) and pre-greased. The integral flange seats it squarely against a printed or machined face, so it's commonly used in Voron and other 3D printer idlers, belt-path pulleys, and toolhead\/extruder assemblies built around a 5mm shoulder bolt or pin.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesignation: F695-2RS (flanged 695)\u003c\/li\u003e\n\u003cli\u003eBore (ID): 5mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter (OD): 13mm\u003c\/li\u003e\n\u003cli\u003eWidth: 4mm\u003c\/li\u003e\n\u003cli\u003eFlange OD: ~15mm\u003c\/li\u003e\n\u003cli\u003eSeals: rubber, both sides (2RS)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold in quantity packs.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"10","offer_id":39612699476137,"sku":"CHAO-00000039","price":9.99,"currency_code":"USD","in_stock":true},{"title":"20","offer_id":43386361839838,"sku":"8065468849","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/IMG_2683.jpg?v=1660606285"},{"product_id":"f623-rs-bearings","title":"F623-RS Bearings","description":"\u003cp\u003eThe F623-2RS is a flanged miniature deep-groove ball bearing for 3mm shafts, double rubber-sealed (2RS) and pre-greased. The flange locates the bearing against a printed or machined face, which makes it the go-to for Voron 0 and other 3D printer idlers and extruder\/filament-path pulleys that ride on a 3mm shoulder bolt or pin.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesignation: F623-2RS (flanged 623)\u003c\/li\u003e\n\u003cli\u003eBore (ID): 3mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter (OD): 10mm\u003c\/li\u003e\n\u003cli\u003eWidth: 4mm\u003c\/li\u003e\n\u003cli\u003eFlange OD: ~11.5mm\u003c\/li\u003e\n\u003cli\u003eSeals: rubber, both sides (2RS)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold in quantity packs.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"6","offer_id":43499552342238,"sku":"9206011370","price":7.99,"currency_code":"USD","in_stock":true},{"title":"8","offer_id":43356984148190,"sku":"8400173920","price":9.99,"currency_code":"USD","in_stock":true},{"title":"14","offer_id":40963862626473,"sku":"7837729265","price":13.99,"currency_code":"USD","in_stock":true},{"title":"24","offer_id":40963862659241,"sku":"1070234641","price":21.99,"currency_code":"USD","in_stock":true},{"title":"32","offer_id":43356992635102,"sku":"2482946169","price":28.99,"currency_code":"USD","in_stock":true},{"title":"1","offer_id":44839579779294,"sku":"7842493593","price":1.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/IMG_8397_0.5x.png?v=1649761919"},{"product_id":"625-2rs-bearing","title":"625-2RS Bearings","description":"\u003cp\u003eThe 625-2RS is a sealed deep-groove ball bearing for 5mm shafts, double rubber-sealed (2RS) and pre-greased. It's one of the most common bearings in Voron-class machines: belt idlers, tensioners, and any rotating pulley running on a 5mm shoulder bolt. The non-flanged 16mm outer race sits in a printed or machined pocket and turns smoothly under belt load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesignation: 625-2RS\u003c\/li\u003e\n\u003cli\u003eBore (ID): 5mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter (OD): 16mm\u003c\/li\u003e\n\u003cli\u003eWidth: 5mm\u003c\/li\u003e\n\u003cli\u003eType: deep-groove ball\u003c\/li\u003e\n\u003cli\u003eSeals: rubber, both sides (2RS)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold in quantity packs.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"8","offer_id":43357400695006,"sku":"9761487270","price":9.0,"currency_code":"USD","in_stock":true},{"title":"12","offer_id":43357400727774,"sku":"9935329236","price":11.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/IMG_8144_0.5x.png?v=1654764114"},{"product_id":"extruder-needle-bearings","title":"BMG Style Needle Bearings","description":"\u003cp\u003e\u003cstrong\u003eReplacement BMG-style needle roller bearings for 3 mm extruder drive-gear shafts.\u003c\/strong\u003e This is a 10-pack of small needle bearings for Bondtech-style \/ BMG-style drive gears used in dual-drive 3D-printer extruders.\u003c\/p\u003e\n\u003ch3\u003eWhy use these instead of a random miniature bearing?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for the drive gear bore:\u003c\/strong\u003e Bondtech's own spare-part spec calls for needle bearings on a \u003cstrong\u003e3.0 mm shaft\u003c\/strong\u003e, with \u003cstrong\u003etwo bearings per drive gear\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect service quantity:\u003c\/strong\u003e a 10-pack gives you enough bearings for up to \u003cstrong\u003efive drive gears\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtruder-focused spare:\u003c\/strong\u003e useful when rebuilding BMG-style internals instead of replacing a whole gear set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: needle roller bearing \/ needle bearing\u003c\/li\u003e\n\u003cli\u003eCommon size: \u003cstrong\u003e3 × 5 × 7 mm\u003c\/strong\u003e class\u003c\/li\u003e\n\u003cli\u003eApproximate measured size from matching BMG spare listings: \u003cstrong\u003e3.1 mm ID × 4.9 mm OD × 6.7 mm length\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eShaft fit: \u003cstrong\u003e3.0 mm\u003c\/strong\u003e drive-gear shaft\u003c\/li\u003e\n\u003cli\u003eQuantity: \u003cstrong\u003e10 bearings\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIntended use\u003c\/h3\u003e\n\u003cp\u003eUse these as replacement bearings for BMG-style extruder drive gears, including clone gear sets and repair builds. They pair with the \u003ca href=\"https:\/\/dfh.fm\/products\/bmg-clone-extruder-gears\"\u003eBMG Clone Extruder Gears\u003c\/a\u003e, \u003ca href=\"https:\/\/dfh.fm\/products\/bmg-clone-components-kit\"\u003eBMG Clone Components Kit\u003c\/a\u003e, and BMG-style extruder hardware such as the \u003ca href=\"https:\/\/dfh.fm\/products\/extruder-thumb-screw\"\u003eExtruder Thumb Screw\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThese are \u003cstrong\u003enot full extruder gears\u003c\/strong\u003e and do not include shafts, gears, screws, or printed parts.\u003c\/li\u003e\n\u003cli\u003eThis listing is for BMG-style replacement bearings, not an official Bondtech-branded package.\u003c\/li\u003e\n\u003cli\u003eCheck your drive gear and shaft dimensions before ordering; BMG-style clones can vary.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":40423152222377,"sku":"1453493717","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/IMG_8377_0.5x_70a2aa80-7db3-43ec-a1e8-ec52fb55c7c8.jpg?v=1660767570"},{"product_id":"f625-2rs-bearings","title":"F625-2RS Bearings","description":"\u003cp\u003e\u003cstrong\u003eTen F625-2RS flanged miniature ball bearings for 5 mm shaft\/idler builds.\u003c\/strong\u003e Each bearing is the flanged, double-rubber-sealed 625 size: \u003cstrong\u003e5 mm ID × 16 mm OD × 5 mm wide\u003c\/strong\u003e, with an approximately \u003cstrong\u003e18 mm flange OD\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy use F625-2RS instead of a plain 625 bearing?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in flange:\u003c\/strong\u003e helps locate the bearing against a printed part, plate, or pulley stack where a plain bearing can walk sideways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2RS rubber seals:\u003c\/strong\u003e contact seals on both sides help keep dust and plastic debris out of the races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in metric sizing:\u003c\/strong\u003e the 5 mm bore matches common small shafts, pins, and idler hardware used in 3D-printer motion and extruder assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e F625-2RS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 10 bearings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e flanged miniature deep-groove ball bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside diameter:\u003c\/strong\u003e 16 mm bearing OD; approximately 18 mm flange OD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 mm bearing width; approximately 1 mm flange width\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e 2RS rubber contact seals, both sides\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e chrome steel bearing rings and balls, pressed steel cage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment and related bearing sizes\u003c\/h3\u003e\n\u003cp\u003eUse F625-2RS where the design specifically calls for a flanged 5 × 16 × 5 mm bearing. If the flange is not needed, use \u003ca href=\"https:\/\/dfh.fm\/products\/625-2rs-bearing\"\u003e625-2RS Bearings\u003c\/a\u003e instead. For other flanged bearing sizes in the same motion-hardware family, compare \u003ca href=\"https:\/\/dfh.fm\/products\/f695-2rs-flanged-ball-bearing\"\u003eF695-2RS Flanged Ball Bearing\u003c\/a\u003e and \u003ca href=\"https:\/\/dfh.fm\/products\/f623-rs-bearings\"\u003eF623-RS Bearings\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is the \u003cstrong\u003eflanged\u003c\/strong\u003e F625-2RS bearing, not a plain 625-2RS bearing.\u003c\/li\u003e\n\u003cli\u003eConfirm your printed part or BOM calls for \u003cstrong\u003e5 × 16 × 5 mm\u003c\/strong\u003e with a flange before ordering.\u003c\/li\u003e\n\u003cli\u003eThis listing is a \u003cstrong\u003e10-pack\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":40675951837353,"sku":"7961690625","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/f625-2rs-miniature-flange-ball-bearing-5x16x5-sealed-rf1650ll_0.5x.jpg?v=1624026748"},{"product_id":"695-2rs-bearing","title":"695-2RS Bearings","description":"\u003cp\u003e\u003cstrong\u003e10-pack of 695-2RS sealed miniature ball bearings\u003c\/strong\u003e for 5 mm shaft and idler applications in 3D-printer motion systems.\u003c\/p\u003e\n\u003ch3\u003eWhy use these\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e695-2RS size:\u003c\/strong\u003e 5 mm ID × 13 mm OD × 4 mm wide, the common non-flanged 695 sealed bearing format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber sealed on both sides:\u003c\/strong\u003e helps keep grease in and belt dust out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-pack:\u003c\/strong\u003e enough for small motion rebuilds, idler stacks, spares, and project bins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBearing type: \u003cstrong\u003e695-2RS\u003c\/strong\u003e miniature deep-groove ball bearing\u003c\/li\u003e\n\u003cli\u003eBore \/ inner diameter: \u003cstrong\u003e5 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOuter diameter: \u003cstrong\u003e13 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWidth: \u003cstrong\u003e4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eClosure: \u003cstrong\u003e2RS rubber seals\u003c\/strong\u003e, both sides\u003c\/li\u003e\n\u003cli\u003ePack quantity: \u003cstrong\u003e10 bearings\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment and pairing\u003c\/h3\u003e\n\u003cp\u003eUse these where your BOM calls for a \u003cstrong\u003enon-flanged 695-2RS\u003c\/strong\u003e bearing. They are commonly used around 3D-printer belt\/idler assemblies, including 9 mm belt paths. Pair with \u003ca href=\"https:\/\/dfh.fm\/products\/gates-2gt-rf-9mm\"\u003eGates LL-2GT 9 mm RF timing belt\u003c\/a\u003e for motion rebuilds.\u003c\/p\u003e\n\u003ch3\u003eDecision guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNeed the same 5×13×4 mm bearing with a flange? Use \u003ca href=\"https:\/\/dfh.fm\/products\/f695-2rs-flanged-ball-bearing\"\u003eF695-2RS flanged ball bearings\u003c\/a\u003e instead.\u003c\/li\u003e\n\u003cli\u003eNeed a different 5 mm-bore bearing family? Compare against \u003ca href=\"https:\/\/dfh.fm\/products\/625-2rs-bearing\"\u003e625-2RS\u003c\/a\u003e or \u003ca href=\"https:\/\/dfh.fm\/products\/f625-2rs-bearings\"\u003eF625-2RS\u003c\/a\u003e before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is not\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNot a flanged F695 bearing.\u003c\/li\u003e\n\u003cli\u003eNot a linear bearing or rail carriage bearing.\u003c\/li\u003e\n\u003cli\u003eNot a belt pulley; this is the bearing only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e“Perfect for 9mm belts =D”\u003c\/blockquote\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":40821473837225,"sku":"7923203006","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/10065556242482_0.5x.jpg?v=1625863057"},{"product_id":"igus-pressfit-bearing-eglm-05","title":"Igus Pressfit Bearing EGLM-05","description":"\u003cp\u003eThe Igus EGLM-05 is an igubal polymer spherical plain bearing and a direct drop-in for the steel GE5C, in the same 5x14 envelope. An iglidur L280 ball pivots inside an igumid G housing, so it self-aligns to absorb misalignment and edge loads while running dry, with no grease and no maintenance. It's lighter than the steel GE5C and corrosion-resistant, a common choice for Voron Tap and other pivoting printer joints.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesignation: EGLM-05 (igubal spherical, per ISO 12240)\u003c\/li\u003e\n\u003cli\u003eBore (ID): 5mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter (OD): 14mm\u003c\/li\u003e\n\u003cli\u003eWidth: 6mm\u003c\/li\u003e\n\u003cli\u003eHousing: igumid G; ball: iglidur L280\u003c\/li\u003e\n\u003cli\u003ePress-fit into H7 bore; self-lubricating, -30 to +80C\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold in quantity packs.\u003c\/p\u003e","brand":"Igus","offers":[{"title":"1","offer_id":43177071476958,"sku":"2977315609","price":5.99,"currency_code":"USD","in_stock":true},{"title":"3","offer_id":43177071509726,"sku":"2977315610","price":17.99,"currency_code":"USD","in_stock":true},{"title":"4","offer_id":43177071542494,"sku":"2977315611","price":21.99,"currency_code":"USD","in_stock":true},{"title":"10","offer_id":43385508954334,"sku":"7061567690","price":39.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitled27.jpg?v=1630448962"},{"product_id":"igus-spherical-bearing-kglm-03","title":"Igus Spherical Bearing KGLM-03","description":"\u003cp\u003eThe Igus KGLM-03 is an igubal polymer spherical plain bearing for 3mm shafts. An iglidur L280 ball pivots inside an igumid G housing, so it self-aligns to compensate for misalignment and edge loads while running completely dry, with no grease and no maintenance. It's lightweight, corrosion-resistant and vibration-damping, suited to small pivoting and oscillating joints in 3D printers and similar mechanisms.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesignation: KGLM-03 (igubal spherical, per DIN ISO 12240)\u003c\/li\u003e\n\u003cli\u003eBore (ID): 3mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter (OD): 10mm\u003c\/li\u003e\n\u003cli\u003eHeight: 6mm\u003c\/li\u003e\n\u003cli\u003eHousing: igumid G; ball: iglidur L280\u003c\/li\u003e\n\u003cli\u003ePress-fit into H7 bore; self-lubricating, -30 to +80C\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold in quantity packs.\u003c\/p\u003e","brand":"Igus","offers":[{"title":"1","offer_id":43386614022366,"sku":"7907901545","price":3.99,"currency_code":"USD","in_stock":true},{"title":"4","offer_id":43386614055134,"sku":"7907901546","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitled31.jpg?v=1630468090"},{"product_id":"mr85-zz-bearings","title":"MR85-ZZ Bearings","description":"\u003cp\u003e\u003cstrong\u003e10-pack of MR85-ZZ miniature shielded ball bearings.\u003c\/strong\u003e These are the compact \u003cstrong\u003e5 mm ID × 8 mm OD × 2.5 mm width\u003c\/strong\u003e deep-groove bearings used anywhere a small 5 mm shaft needs low-friction support in a tight printed assembly.\u003c\/p\u003e\n\u003ch3\u003eWhy use MR85-ZZ here\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect miniature size:\u003c\/strong\u003e MR85-ZZ \/ MR85ZZ format, also cross-referenced as L850ZZ or R-850ZZ by bearing suppliers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal shields on both sides:\u003c\/strong\u003e ZZ shields help keep dust and printed-plastic debris out while staying lower-drag than contact rubber seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome-steel construction:\u003c\/strong\u003e supplier datasheets list SAE 52100 chrome-steel rings and balls with a pressed-steel cage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-lubricated:\u003c\/strong\u003e ready to install for light-duty printer, robotics, and hobby motion assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 bearings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesignation:\u003c\/strong\u003e MR85-ZZ \/ MR85ZZ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore \/ inner diameter:\u003c\/strong\u003e 5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 8 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 2.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e metal shielded both sides (ZZ \/ 2Z)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e SAE 52100 chrome steel rings and balls; pressed-steel cage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical reference speed:\u003c\/strong\u003e 53,000 rpm with adequate lubrication, per SMB Bearings MR85ZZ datasheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse these when your BOM calls for \u003cstrong\u003eMR85-ZZ, MR85ZZ, L850ZZ, or R-850ZZ\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eKeep a spare pack with small-format printer builds; the live \u003ca href=\"https:\/\/dfh.fm\/products\/voron-v0-r2-upgrade-kit\"\u003eVoron V0.2r2 Upgrade Kit\u003c\/a\u003e listing calls out one MR85zz bearing.\u003c\/li\u003e\n\u003cli\u003eIf you are rebuilding leftover ERCF v1\/v1.1 hardware, cross-check the bearing callouts against the \u003ca href=\"https:\/\/dfh.fm\/products\/rabbit-poop\"\u003eRabbit Poop\u003c\/a\u003e bundle notes before ordering extras.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is not\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNot a rubber-sealed 2RS bearing; choose 2RS only where your application needs contact seals over lower drag.\u003c\/li\u003e\n\u003cli\u003eNot a flanged bearing and not a 623-size bearing. For other miniature bearing formats, compare the bore, OD, and width before substituting.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":42635860148446,"sku":"8636811686","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitled6.png?v=1648864704"},{"product_id":"mr95-2rs-bearings","title":"MR95-2RS Bearings","description":"\u003cp\u003eThe MR95-2RS is a compact miniature deep-groove ball bearing for 5mm shafts, double rubber-sealed (2RS) and pre-greased. Its small 9mm outer race and thin 3mm width make it useful where a 625 won't fit: tight idler and pulley positions, lightweight toolhead and extruder mechanisms, and other low-clearance rotating joints on a 5mm shaft.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesignation: MR95-2RS\u003c\/li\u003e\n\u003cli\u003eBore (ID): 5mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter (OD): 9mm\u003c\/li\u003e\n\u003cli\u003eWidth: 3mm\u003c\/li\u003e\n\u003cli\u003eType: deep-groove ball\u003c\/li\u003e\n\u003cli\u003eSeals: rubber, both sides (2RS)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold in quantity packs.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"1","offer_id":43357155721438,"sku":"9427208965","price":1.76,"currency_code":"USD","in_stock":true},{"title":"10","offer_id":43357155754206,"sku":"9427208966","price":14.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitled8.png?v=1648865553"},{"product_id":"mr623-zz-bearings","title":"MR623-ZZ Bearings","description":"\u003cp\u003e\u003cstrong\u003e10-pack of MR623-ZZ \/ 623-ZZ miniature shielded ball bearings for ERCF and small 3D-printer motion assemblies.\u003c\/strong\u003e Each bearing is the compact \u003cstrong\u003e3 mm ID × 10 mm OD × 4 mm width\u003c\/strong\u003e size with metal shields on both sides.\u003c\/p\u003e\n\u003ch3\u003eWhy use MR623-ZZ here\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetal shielded:\u003c\/strong\u003e ZZ shields help keep dust and printed-plastic debris out while staying lower-drag than contact rubber seals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrect miniature size:\u003c\/strong\u003e 3 × 10 × 4 mm format, also commonly listed as 623-ZZ, 623ZZ, R1030ZZ, or MR623ZZ.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eERCF context:\u003c\/strong\u003e the ERCF v2 community repo documents a plain 623ZZ bearing encoder option for builders maintaining or adapting v1.1-style kits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eQuantity: \u003cstrong\u003e10 bearings\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eBearing type: miniature radial ball bearing\u003c\/li\u003e\n  \u003cli\u003eSize: \u003cstrong\u003e3 mm bore \/ 10 mm outside diameter \/ 4 mm width\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eShielding: \u003cstrong\u003eZZ\u003c\/strong\u003e, metal shields on both sides\u003c\/li\u003e\n  \u003cli\u003eInterchange\/search terms: MR623-ZZ, MR623ZZ, 623-ZZ, 623ZZ, R1030ZZ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment and related parts\u003c\/h3\u003e\n\u003cp\u003eUseful for ERCF-style filament feeders, encoder mods, and other small printer mechanisms that call for the 3×10×4 mm shielded 623 size. If your build calls for the smaller 5×8×2.5 mm bearing instead, use \u003ca href=\"https:\/\/dfh.fm\/products\/mr85-zz-bearings\"\u003eMR85-ZZ bearings\u003c\/a\u003e. For the current DFH ERCF kit, see the \u003ca href=\"https:\/\/dfh.fm\/products\/enraged-rabbit-carrot-feeder\"\u003eEnraged Rabbit Carrot Feeder\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eNot for\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMR85 \/ 685-size bearing locations — those are a different size.\u003c\/li\u003e\n  \u003cli\u003eWet or dirty environments where a rubber-contact 2RS seal is specifically required.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":42635931779294,"sku":"5034338572","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/C2CE162B-4A12-419F-99AF-BF7D6302679C.png?v=1648867603"},{"product_id":"688-2rs-bearings","title":"688-2RS Bearings","description":"\u003cp\u003e\u003cstrong\u003e10-pack of 688-2RS sealed miniature bearings\u003c\/strong\u003e for compact 3D-printer, CNC, robotics, and hobby motion assemblies that call for an \u003cstrong\u003e8mm ID × 16mm OD × 5mm\u003c\/strong\u003e bearing.\u003c\/p\u003e\n\u003ch3\u003eWhy this bearing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2RS rubber seals\u003c\/strong\u003e on both sides help keep grease in and dust out.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeep-groove ball bearing\u003c\/strong\u003e geometry supports smooth high-speed radial motion in a compact package.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChrome steel bearing construction\u003c\/strong\u003e is the standard choice for small motion hardware and replacement spares.\u003c\/li\u003e\n  \u003cli\u003eSold as a \u003cstrong\u003e10-pack\u003c\/strong\u003e, so you can replace a set instead of buying one-off singles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesignation \/ MPN: \u003cstrong\u003e688-2RS\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eBore \/ inner diameter: \u003cstrong\u003e8mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eOuter diameter: \u003cstrong\u003e16mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eWidth: \u003cstrong\u003e5mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eClosure: \u003cstrong\u003e2RS dual rubber seals\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eType: miniature deep-groove radial ball bearing\u003c\/li\u003e\n  \u003cli\u003eQuantity: \u003cstrong\u003e10 bearings\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse it for\u003c\/h3\u003e\n\u003cp\u003eUse these wherever your printed part, motion assembly, or BOM specifically calls for a \u003cstrong\u003e688-2RS \/ 8×16×5mm\u003c\/strong\u003e sealed bearing. For nearby sizes, see our \u003ca href=\"https:\/\/dfh.fm\/products\/625-2rs-bearing\"\u003e625-2RS bearings\u003c\/a\u003e, \u003ca href=\"https:\/\/dfh.fm\/products\/f695-2rs-flanged-ball-bearing\"\u003eF695-2RS flanged bearings\u003c\/a\u003e, and \u003ca href=\"https:\/\/dfh.fm\/products\/f623-rs-bearings\"\u003eF623-RS flanged bearings\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eCheck before ordering\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThis is a \u003cstrong\u003e688-2RS\u003c\/strong\u003e bearing only; it is not an LM8UU\/LM8LUU linear bearing.\u003c\/li\u003e\n  \u003cli\u003eMatch all three dimensions — \u003cstrong\u003e8mm bore, 16mm OD, 5mm width\u003c\/strong\u003e — before replacing an existing bearing.\u003c\/li\u003e\n  \u003cli\u003eChoose a flanged bearing instead if your application needs a locating flange.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":42636067340510,"sku":"7712865560","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/7D41AA41-86D3-4965-ADA6-AB781A6F1575_1_105_c.png?v=1648869427"},{"product_id":"608-zz-bearings","title":"608-ZZ Bearings","description":"\u003cp\u003e\u003cstrong\u003e10-pack of 608-ZZ double-shielded miniature radial ball bearings\u003c\/strong\u003e for 8 mm shaft\/idler positions in 3D-printer motion projects, Polyformer builds, BeltDrivenEnder3 mods, and ERCF\/Rabbit-style assemblies.\u003c\/p\u003e\n\u003ch3\u003eWhy use ZZ instead of 2RS?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eZZ means \u003cstrong\u003emetal shields on both sides\u003c\/strong\u003e: lower drag than rubber-sealed 2RS bearings while still helping keep grease in and debris out.\u003c\/li\u003e\n\u003cli\u003eThe standard \u003cstrong\u003e608 size\u003c\/strong\u003e is the common 8 mm bore bearing used in printed idlers, rollers, spool holders, and small mechanical assemblies.\u003c\/li\u003e\n\u003cli\u003eIf the bearing will see dust, filament crumbs, or more contamination, use the rubber-sealed \u003ca href=\"https:\/\/dfh.fm\/products\/608-2rs-bearings\"\u003e608-2RS Bearings\u003c\/a\u003e instead.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack quantity:\u003c\/strong\u003e 10 bearings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart code \/ MPN:\u003c\/strong\u003e 608ZZ \/ 608-ZZ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8 mm ID × 22 mm OD × 7 mm width\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing type:\u003c\/strong\u003e single-row deep-groove radial ball bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosures:\u003c\/strong\u003e double metal shielded (ZZ)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical material:\u003c\/strong\u003e steel bearing rings and balls with pressed-steel cage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePrinter\/project fit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUseful as replacement 608-size bearings for Polyformer motion assemblies; see the \u003ca href=\"https:\/\/dfh.fm\/products\/polyformer-bearings-kit\"\u003ePolyformer Bearings Kit\u003c\/a\u003e if you want the project bearing set.\u003c\/li\u003e\n\u003cli\u003eAlso tagged for BeltDrivenEnder3 motion use; pair with the \u003ca href=\"https:\/\/dfh.fm\/products\/beltdrivenender3-kit-by-kevinakasam\"\u003eBeltDrivenEnder3 Kit by kevinakasam\u003c\/a\u003e when you are building or refreshing that mod.\u003c\/li\u003e\n\u003cli\u003eFits generic 8 mm shaft\/idler roles where the BOM calls for 608ZZ, 608-ZZ, or a shielded 608 bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThese are \u003cstrong\u003enot rubber sealed\u003c\/strong\u003e; for higher contamination protection, choose 608-2RS.\u003c\/li\u003e\n\u003cli\u003eThese are \u003cstrong\u003enot flanged\u003c\/strong\u003e and not a linear bearing.\u003c\/li\u003e\n\u003cli\u003eConfirm your BOM wants a 608-size bearing: 608 is 8×22×7 mm, not 625, 623, MR85, or LM8UU.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":42636159123678,"sku":"8053817870","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitled9.png?v=1648870276"},{"product_id":"mf105-2rs","title":"MF105-2RS Bearings","description":"\u003cp\u003e\u003cstrong\u003eTen MF105-2RS flanged miniature ball bearings for 5 mm shaft\/idler builds.\u003c\/strong\u003e Each bearing is the MF105-2RS size: \u003cstrong\u003e5 mm ID × 10 mm OD × 4 mm wide\u003c\/strong\u003e, with double rubber seals and an outer flange for positive location in printed or machined parts.\u003c\/p\u003e\n\u003ch3\u003eWhy use MF105-2RS instead of a plain 105 bearing?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in flange:\u003c\/strong\u003e helps keep the bearing seated against the part face instead of walking sideways under light thrust loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2RS rubber seals:\u003c\/strong\u003e seals on both sides help keep dust and plastic debris out of the races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact 5 mm format:\u003c\/strong\u003e useful where a 5 mm shaft or pin needs a small, located bearing rather than the larger F695 or F625 sizes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MF105-2RS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 10 bearings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e flanged miniature deep-groove ball bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore \/ inner diameter:\u003c\/strong\u003e 5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 10 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 4 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal type:\u003c\/strong\u003e 2RS, rubber sealed both sides\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-reference:\u003c\/strong\u003e RF1050LL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIntended use\u003c\/h3\u003e\n\u003cp\u003eUse these for compact idlers, belt paths, and small motion assemblies that call for MF105-2RS. The live \u003ca href=\"https:\/\/dfh.fm\/products\/voron-v0-1-belted-z-kit\"\u003eVoron V0 Belted Z Kit\u003c\/a\u003e BOM uses \u003cstrong\u003e2 × MF105-2RS\u003c\/strong\u003e bearings.\u003c\/p\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is the \u003cstrong\u003eflanged\u003c\/strong\u003e MF105-2RS bearing, not a plain MR105-2RS bearing.\u003c\/li\u003e\n\u003cli\u003eCheck your printed part or BOM before ordering: this is \u003cstrong\u003e5 × 10 × 4 mm\u003c\/strong\u003e, smaller than \u003ca href=\"https:\/\/dfh.fm\/products\/f695-2rs-flanged-ball-bearing\"\u003eF695-2RS\u003c\/a\u003e or \u003ca href=\"https:\/\/dfh.fm\/products\/f625-2rs-bearings\"\u003eF625-2RS\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":42636261163230,"sku":"7376890740","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitled11.png?v=1648870837"},{"product_id":"mr148-2rs-bearings","title":"MR148-2RS Bearings","description":"\u003cp\u003e\u003cstrong\u003ePack of 10 MR148-2RS miniature ball bearings for compact motion builds.\u003c\/strong\u003e These are 8 mm ID × 14 mm OD × 4 mm wide deep-groove radial bearings with rubber seals on both sides, sized for BOMs that call out MR148-2RS \/ MR148RS.\u003c\/p\u003e\n\u003ch3\u003eWhy use the 2RS sealed version?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble rubber seals\u003c\/strong\u003e help keep dust and debris out while retaining grease inside the bearing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8x14x4 mm metric size\u003c\/strong\u003e fits compact idlers, small rollers, robotics, RC, and 3D-printer motion assemblies where a thin 8 mm-bore bearing is specified.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReady-to-install pack of 10\u003c\/strong\u003e gives you enough bearings for spares, rebuilds, or multi-bearing printed mechanisms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBearing code:\u003c\/strong\u003e MR148-2RS \/ MR148RS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e miniature deep-groove radial ball bearing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner diameter:\u003c\/strong\u003e 8 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 14 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 4 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e rubber sealed on both sides (2RS)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse these when your BOM, mod, or printed part specifically calls for \u003cstrong\u003eMR148-2RS\u003c\/strong\u003e, \u003cstrong\u003eMR148RS\u003c\/strong\u003e, or an \u003cstrong\u003e8x14x4 mm sealed bearing\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eThis is a non-flanged bearing. If your design needs a flange, check the called-out part number rather than substituting by bore size alone.\u003c\/li\u003e\n  \u003cli\u003eNot a substitute for 608, 688, 695, 623, or F-series flanged bearings; those are different outside diameters, widths, or flange geometries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNeed a different bearing size? We also stock \u003ca href=\"https:\/\/dfh.fm\/products\/mr95-2rs-bearings\"\u003eMR95-2RS bearings\u003c\/a\u003e, \u003ca href=\"https:\/\/dfh.fm\/products\/623-2rs-bearings\"\u003e623-2RS bearings\u003c\/a\u003e, \u003ca href=\"https:\/\/dfh.fm\/products\/f695-2rs-flanged-ball-bearing\"\u003eF695-2RS flanged bearings\u003c\/a\u003e, and other small motion hardware.\u003c\/p\u003e\n\u003cblockquote\u003e“You need these. You just don't know it yet.”\u003c\/blockquote\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":42636449251550,"sku":"9322022011","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/B1DFB418-CD35-49A3-B363-27688F24D4BB_4_5005_c.png?v=1648873151"},{"product_id":"hk040806-bearings","title":"HK040806 Bearing","description":"\u003cp\u003e\u003cstrong\u003eHK040806 drawn-cup needle roller bearing for compact radial support.\u003c\/strong\u003e This is a single open-end needle bearing for assemblies that call for the 4 mm shaft \/ 8 mm housing \/ 6 mm width HK040806 or HK0406 size.\u003c\/p\u003e\n\u003ch3\u003eWhy use this bearing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact radial package:\u003c\/strong\u003e the drawn-cup needle design keeps the outside diameter small while supporting radial load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen-end shell:\u003c\/strong\u003e suitable for through-shaft layouts where the shaft continues past the bearing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRight part when the BOM says HK040806\/HK0406:\u003c\/strong\u003e use it for the specific needle-bearing pocket, not as a general ball-bearing substitute.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HK040806 \/ HK0406 size drawn-cup needle roller bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal size:\u003c\/strong\u003e 4 mm bore × 8 mm outside diameter × 6 mm width\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e open-end drawn-cup needle roller bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 bearing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse only where your printed-part pocket, shaft, or project BOM specifies this 4×8×6 mm HK needle-bearing size.\u003c\/li\u003e\n\u003cli\u003eNot a 608, 625, MR-series, or flanged ball bearing.\u003c\/li\u003e\n\u003cli\u003eNeedle bearings are radial bearings; do not use this as a thrust bearing unless your design separately handles axial load.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Runice","offers":[{"title":"Default Title","offer_id":42636584878302,"sku":"5719658588","price":1.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/AD18CD7A-0B2B-4944-A275-0A41F8775C72_1_105_c.png?v=1648874612"},{"product_id":"623-2rs-bearings","title":"623-2RS Bearings","description":"\u003cp\u003e\u003cstrong\u003e10-pack of 623-2RS miniature deep-groove ball bearings\u003c\/strong\u003e for Polyformer and other compact motion assemblies that call for a 3x10x4mm sealed bearing.\u003c\/p\u003e\n\u003ch3\u003eWhy use 623-2RS here\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3mm ID x 10mm OD x 4mm width\u003c\/strong\u003e matches the standard 623 bearing size used in small printed motion assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2RS rubber seals on both sides\u003c\/strong\u003e help keep dust and plastic debris out while retaining lubricant.\u003c\/li\u003e\n\u003cli\u003eSold as a \u003cstrong\u003e10-pack\u003c\/strong\u003e, enough for spares or small subassemblies without buying a full bulk lot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBearing type: miniature single-row deep-groove ball bearing\u003c\/li\u003e\n\u003cli\u003eSize code \/ MPN: \u003cstrong\u003e623-2RS\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBore \/ inner diameter: \u003cstrong\u003e3mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOuter diameter: \u003cstrong\u003e10mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWidth: \u003cstrong\u003e4mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSeal style: \u003cstrong\u003e2RS\u003c\/strong\u003e, rubber sealed both sides\u003c\/li\u003e\n\u003cli\u003eQuantity: \u003cstrong\u003e10 bearings\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIntended use\u003c\/h3\u003e\n\u003cp\u003eUse these anywhere your build documentation calls for \u003cstrong\u003e623-2RS\u003c\/strong\u003e or \u003cstrong\u003e3x10x4mm sealed bearings\u003c\/strong\u003e, including Polyformer builds. For a broader Polyformer bearing set, see the \u003ca href=\"https:\/\/dfh.fm\/products\/polyformer-bearings-kit\"\u003ePolyformer Bearings Kit\u003c\/a\u003e; for the full project kit, see the \u003ca href=\"https:\/\/dfh.fm\/products\/polyformer-kit-by-reiten966\"\u003ePolyformer Kit by Reiten966\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThese are \u003cstrong\u003enot\u003c\/strong\u003e 608 skateboard-size bearings and not flanged F623 bearings.\u003c\/li\u003e\n\u003cli\u003ePhoto shows a single bearing to show seal style; this listing is for a 10-pack.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":43333409603806,"sku":"9728201987","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitled82.jpg?v=1661644430"},{"product_id":"polyformer-bearings-kit","title":"Polyformer Bearings Kit","description":"\u003cp\u003e\u003cstrong\u003eBearing set for a Polyformer build:\u003c\/strong\u003e this kit bundles the small and large bearings used around the bottle-cutting and motion sections of the open-source Polyformer PET-bottle-to-filament machine.\u003c\/p\u003e\n\u003ch3\u003eWhat is included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 × 623 bearings\u003c\/strong\u003e — 3 × 10 × 4 mm miniature bearings for the Polyformer cutter\/idler hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 × 608 bearings\u003c\/strong\u003e — 8 × 22 × 7 mm bearings for the larger rotating assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy this kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePulls the Polyformer bearing sizes into one small hardware pack instead of making you source two separate bearing lots.\u003c\/li\u003e\n\u003cli\u003eMatches the bearing families called out in the official \u003ca href=\"https:\/\/github.com\/Reiten966\/Polyformer\"\u003eReiten966 Polyformer\u003c\/a\u003e project BOM.\u003c\/li\u003e\n\u003cli\u003ePairs with the live \u003ca href=\"https:\/\/dfh.fm\/products\/polyformer-kit-by-reiten966\"\u003ePolyformer Kit by Reiten966\u003c\/a\u003e and \u003ca href=\"https:\/\/dfh.fm\/products\/polyformer-fasteners-kit\"\u003ePolyformer Fasteners Kit\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e623 bearing size:\u003c\/strong\u003e 3 mm ID × 10 mm OD × 4 mm width.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e608 bearing size:\u003c\/strong\u003e 8 mm ID × 22 mm OD × 7 mm width.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProject fit:\u003c\/strong\u003e Polyformer, the open-source machine for turning PET bottles into 1.75 mm 3D-printer filament.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNot for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is the bearings-only kit. Printed parts, electronics, hotend parts, rods\/tubing, fasteners, and drill bit are not included.\u003c\/li\u003e\n\u003cli\u003eNot a universal bearing assortment; buy it when you specifically need the Polyformer bearing pack.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":43463991656670,"sku":"5396313668","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/DFH-polyformer_bearings_kit.png?v=1696740053"},{"product_id":"608-2rs-bearings","title":"608-2RS Bearings","description":"\u003cp\u003e\u003cstrong\u003eTen rubber-sealed 608-2RS bearings for 8 mm shaft\/idler work.\u003c\/strong\u003e Standard 608-2RS deep-groove ball bearings measure \u003cstrong\u003e8 mm ID × 22 mm OD × 7 mm wide\u003c\/strong\u003e, with rubber contact seals on both sides to help keep dust and shop debris out of the races.\u003c\/p\u003e\n\u003ch3\u003eWhy 2RS for printer projects\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble rubber seals:\u003c\/strong\u003e better debris protection than open bearings for exposed rollers, idlers, and shop-built motion assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard 608 size:\u003c\/strong\u003e the common 8×22×7 mm bearing used across hobby machines, printed fixtures, and recycling\/filament projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10-pack:\u003c\/strong\u003e enough spares for rebuilds, paired idlers, or project BOMs that call for multiple 608 bearings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSize: \u003cstrong\u003e608-2RS\u003c\/strong\u003e miniature deep-groove ball bearing\u003c\/li\u003e\n  \u003cli\u003eBore \/ inside diameter: \u003cstrong\u003e8 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eOutside diameter: \u003cstrong\u003e22 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eWidth: \u003cstrong\u003e7 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eSeals: \u003cstrong\u003e2RS\u003c\/strong\u003e, rubber sealed on both sides\u003c\/li\u003e\n  \u003cli\u003ePack quantity: \u003cstrong\u003e10 bearings\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse and fitment\u003c\/h3\u003e\n\u003cp\u003eUse these where your build documentation calls for a \u003cstrong\u003e608-2RS\u003c\/strong\u003e or rubber-sealed 608 bearing, including 3D-printer motion mods, printed rollers, filament-handling fixtures, and general 8 mm shaft idlers.\u003c\/p\u003e\n\u003ch3\u003eNot the same as 608-ZZ\u003c\/h3\u003e\n\u003cp\u003e2RS uses rubber seals for better contamination resistance. If your BOM specifically calls for metal-shielded bearings, use the \u003ca href=\"https:\/\/dfh.fm\/products\/608-zz-bearings\"\u003e608-ZZ Bearings\u003c\/a\u003e instead.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":44704858243294,"sku":"5802497110","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/dfgdfgh.jpg?v=1706148106"},{"product_id":"v623zz-bearing","title":"V623ZZ Bearing","description":"\u003cp\u003eV623ZZ (Inner Diameter=3mm, Outer Diameter=12mm, Width=4mm)\nThese V623ZZ bearings come with shields on both sides to retain lubricant. Constructed from Chromium Steel for durability, offering a smooth operation with minimal noise. They meet ABEC Tolerance 1 (P0) standards, with a Z2 noise rating, suitable for a wide range of applications. The dynamic load capacity is 536 newtons, while the static load capacity is 175 newtons.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":44802022703326,"sku":"3936307473","price":1.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/V62322.jpg?v=1708560463"}],"url":"https:\/\/formosissima.myshopify.com\/collections\/bearings.oembed","provider":"dfh.fm","version":"1.0","type":"link"}