{"product_id":"two-pack-lm12luu-12mm-long-linear-ball-bearing-bus","title":"Two Pack LM12LUU 12mm Long Linear Ball Bearing Bushing 12 x 21 x 57mm, Chrome Steel Pro-Grade Linear Guide Bearing Set for CNC Machines, 3D Printers, RC Projects, and Robotics","description":"\u003cdiv\u003eTwo-Pack LM12LUU 12mm Long Linear Ball Bearing Bushing\u003cbr\u003e\n✔️ ID 12mm, OD 21mm, L 57mm; chrome steel, durable; 2 pcs \u003cp\u003eThis two-pack LM12LUU long linear ball bearing set provides precise, low-friction motion for shafts in CNC machines, 3D printers, robotics, and RC projects. Compact 57mm length fits tight mounting spaces while delivering stable support.\u003c\/p\u003e \u003cp\u003e✅ 12mm bore (ID) for standard shafts\u003cbr\u003e✅ 21mm outer diameter (OD) for stable guidance\u003cbr\u003e✅ 57mm overall length for compact mounting\u003cbr\u003e✅ Chrome steel raceways for long life\u003cbr\u003e✅ Pack of 2 bearings per order\u003c\/p\u003e \u003cp\u003e💡 What is a linear ball bearing used for in precision motion systems? This handy part helps guide shafts smoothly for accurate movement in machines and builds. - Provides low-friction, high-precision linear guidance for CNC, 3D printers, robotics\u003cbr\u003e - Supports consistent positioning under load with minimal play\u003cbr\u003e - Easy replacement in standard LM guide rail setups\u003cbr\u003e - Requires regular lubrication for extended life and smooth operation\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52603549057343,"sku":"VXB07M98HV3Y","price":38.06,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/41wel2tFySL.jpg?v=1775189323","url":"https:\/\/bearingscanada.com\/products\/two-pack-lm12luu-12mm-long-linear-ball-bearing-bus","provider":"Bearings Canada","version":"1.0","type":"link"}