{"product_id":"4mm-bore-bearing-with-20mm-440c-stainless-ste","title":"Sealed 4mm Bore U Groove Track Roller Pulley Bearing In Stainless Steel 440C 4x20x7mm High Precision Ball Bearing For Linear Guides And Conveyor Tracks Durable Corrosion Resistant Quiet Smooth Operation","description":"\u003cdiv\u003e4mm Bore Sealed U-Groove Track Roller Bearing 4x20x7mm\u003cbr\u003e\n✔️ 4x20x7 mm sealed 440C stainless U-groove pulley bearing, single pack \u003cp\u003eThis sealed U-groove track roller pulley bearing is designed for smooth, low-friction motion in belt-driven and cable-guided linear systems. It fits standard U-groove tracks commonly found in compact conveyors, automation modules, and hobby CNC projects.\u003c\/p\u003e \u003cp\u003e✅ Bore: 4 mm \u003cbr\u003e✅ Outer diameter: 20 mm \u003cbr\u003e✅ Width: 7 mm \u003cbr\u003e✅ Material: 440C stainless steel with dual seals \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a sealed U-groove pulley bearing used for in belt-driven track systems?\u003c\/p\u003e\n\u003cp\u003eHandy for guiding linear motion in compact machinery with minimal resistance.\u003c\/p\u003e\n- Used in belt tensioners and guide pulleys to reduce friction and wear\u003cbr\u003e\n- Seal protects against dust and moisture, extending bearing life\u003cbr\u003e\n- Fits 4x20x7 mm U-groove track rollers for compact assemblies\u003cbr\u003e \u003c\/div\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43582530420971,"sku":"04X20X07-SS-BEARING","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/1_ec2ff0be-c4b6-48ee-b293-d4a61b7a02a5.jpg?v=1770446621","url":"https:\/\/vxb.com\/products\/4mm-bore-bearing-with-20mm-440c-stainless-ste","provider":"VXB Bearings","version":"1.0","type":"link"}