{"product_id":"4mm-bore-with-18mm-pulley-u-groove-track-roll","title":"4 mm Bore U-Groove Track Roller Pulley Bearing Shielded 4x18x7 mm for Linear Rails Dust Protection with Double Metal Shields, High-Precision U Groove Wheel Bearing for Small Idler Applications","description":"\u003cdiv\u003eShielded U-Groove Track Roller Bearing 4x18x7mm, 4mm Bore\u003cbr\u003e\n✔️ 4 mm bore, 18 mm OD, 7 mm width, shielded ZZ, 1 bearing \u003cp\u003eThe compact shielded U-groove track roller bearing slides inside U-groove pulleys and linear guides, ideal for small automation projects, DIY CNC builds, 3D printers, and conveyor systems.\u003c\/p\u003e \u003cp\u003e✅ Bore: 4 mm (0.157 in), OD: 18 mm (0.709 in), width: 7 mm (0.276 in) \u003cbr\u003e✅ Shielding: ZZ double metal shields for dust protection \u003cbr\u003e✅ Type: U-groove track roller bearing for linear guides \u003cbr\u003e✅ Quantity: 1 bearing per package \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a shielded U-groove track roller bearing used for in small linear motion systems? A handy overview:\u003cbr\u003e- Handy for compact machines and hobby CNC setups\u003cbr\u003e- Shielded design helps keep dust out and lubrication in\u003cbr\u003e- Works with 4 mm bore and 18 mm outer diameter in U-groove tracks\u003c\/p\u003e \u003c\/div\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43581853991147,"sku":"UGROOVE-4X18X7-BEARING","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/1_73974c61-1c1e-4d69-ac4d-8754061b806b.jpg?v=1770446253","url":"https:\/\/vxb.com\/products\/4mm-bore-with-18mm-pulley-u-groove-track-roll","provider":"VXB Bearings","version":"1.0","type":"link"}