{"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","url":"https:\/\/formosissima.myshopify.com\/products\/extruder-needle-bearings","provider":"dfh.fm","version":"1.0","type":"link"}