{"product_id":"4mm-bore-bearing-12mm-pulley-u-groove-track-roller","title":"4mm Bore Bearing - 12mm Pulley U-Groove Track Roller 4x12x4mm","description":"\u003cp\u003e4mm Bore Shielded U-Groove Pulley Bearing\u003cbr\u003e✔️ Track Roller Ball Bearing - 4mm x 12mm x 4mm\u003c\/p\u003e\n\u003cp\u003eThis compact U-groove track roller bearing features a 4mm bore and double metal shields to protect against dust. Ideal for small tracks, sliding systems, and lightweight guiding applications in automation or DIY builds.\u003c\/p\u003e\n\u003cp\u003e✅ Size: 4mm x 12mm x 4mm\u003cbr\u003e✅ Inner diameter: 4mm\u003cbr\u003e✅ Outer diameter: 12mm\u003cbr\u003e✅ Tire width: 4mm\u003cbr\u003e✅ Groove type: U-groove\u003cbr\u003e✅ Shields: Double metal (ZZ)\u003cbr\u003e✅ Quantity: 1 bearing\u003cbr\u003e✅ Tolerance: ±0.5mm\u003c\/p\u003e\n\u003cp\u003e💡 Why use a shielded U-groove pulley bearing in track systems?\u003cbr\u003eIt’s perfect for reducing friction while guiding movement on round or angled rails.\u003cbr\u003eUsed in 3D printers, robotics, and sliding gates\u003cbr\u003e✅ Metal shields block debris and extend bearing life\u003cbr\u003e✅ U-groove profile keeps rolling motion aligned on tracks\u003cbr\u003e✅ Compact size fits tight motion systems\u003c\/p\u003e\n\u003cp\u003eTiny but tough - this bearing is built for clean tracking and smooth gliding. Grab one now and roll with precision!\u003cbr\u003e\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43582178951403,"sku":"U-GROOVE-4X12X4","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/4mm-bore-bearing-with-12mm-pulley-u-groove-track-roller-bearing-4x12x4mm-vxb-ball-bearings-1-32680783380715.jpg?v=1770446452","url":"https:\/\/vxb.com\/products\/4mm-bore-bearing-12mm-pulley-u-groove-track-roller","provider":"VXB Bearings","version":"1.0","type":"link"}