{"product_id":"lm4uu-linear-ball-bearing-kit-for-3d-printers-4mm","title":"LM4UU Linear Ball Bearing Kit for 3D Printers 4mm Bore 8mm OD 12mm Length 2 Pack Low Friction Guide Bushings for Ultra Smooth Movement on Printer Rails and Linear Motion Systems","description":"\u003cdiv\u003eTwo-Pack 4mm Bore Linear Ball Bearing Kit for 3D Printers\u003cbr\u003e\n✔️ 2 pack, 4mm bore, 8mm OD, 12mm length, low friction, smooth motion \u003cp\u003eThese low friction linear bearings are built for 3D printers and small CNC setups, offering precise, quiet movement along shafts in printer rails and linear guides.\u003c\/p\u003e \u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eMillimeters\u003c\/th\u003e\n\u003cth\u003eInches\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner diameter\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e0.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e0.31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e0.47\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e ✅ Inner diameter: 4 mm (0.16 in) \u003cbr\u003e\n✅ Outer diameter: 8 mm (0.31 in) \u003cbr\u003e\n✅ Length: 12 mm (0.47 in) \u003cbr\u003e\n✅ Pack size: 2 pieces \u003cbr\u003e \u003cp\u003e💡 What is a pillow block bearing used for in linear motion systems?\u003cbr\u003ePillow blocks provide sturdy shaft support and keep alignment in moving parts for smooth operation.\u003cbr\u003e- pillow block bearing use cases for printers and CNCs\u003cbr\u003e- reduces vibration and wear in compact motion systems\u003cbr\u003e- easy to install on standard shafts\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48022753444075,"sku":"VXB0B59KZ8CJ","price":49.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51jGmKnSMjL.jpg?v=1775265526","url":"https:\/\/vxb.com\/products\/lm4uu-linear-ball-bearing-kit-for-3d-printers-4mm","provider":"VXB Bearings","version":"1.0","type":"link"}