{"product_id":"4mm-bore-bearing-with-15mm-round-nylon","title":"4mm Bore Bearing - 15mm Round Nylon Pulley U-Groove Track Roller Bearing 4x15x6mm","description":"\u003cp\u003eBU0415 U-Groove Nylon Pulley Bearing\u003cbr\u003e✔️ 4mm Bore with 15mm Round Nylon Wheel 4mm x 15mm x 6mm\u003c\/p\u003e \u003cp\u003eThis BU0415 U-groove track roller bearing features a 15mm round nylon pulley paired with a smooth-rolling steel ball bearing inside. It’s perfect for sliding doors, 3D printer beds, or small linear track systems where low noise and smooth glide matter.\u003c\/p\u003e \u003cp\u003e✅ Inner diameter: 4mm\u003cbr\u003e✅ Outer diameter: 15mm\u003cbr\u003e✅ Width (tire width): 6mm\u003cbr\u003e✅ U-groove design for guided motion along round rails\u003cbr\u003e✅ Pulley material: White nylon\u003cbr\u003e✅ Internal bearing: Steel deep groove ball bearing\u003cbr\u003e✅ Lightweight and corrosion-resistant outer shell\u003cbr\u003e✅ Pack size: 1 bearing\u003c\/p\u003e \u003cp\u003e💡 Why use nylon U-groove pulley bearings in small motion systems?\u003cbr\u003eThey’re quiet, lightweight, and track-friendly.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003eGlide smoothly over round rails or tension wires\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eNylon absorbs vibration and runs quietly\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eEasy to install in compact guide or rail systems\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eGreat for 3D printers, small CNC setups, and cabinet sliders\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eNeed smooth rolling in a compact rail system? This bearing’s got the grip and glide. Add one to your cart and keep your build moving clean and quiet.\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":47739582316762,"sku":"4X15-UGROOVE-PULLEY-BEARING","price":9.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/2674\/3514\/files\/4mm-bore-bearing-with-15mm-round-nylon-pulley-u-groove-track-roller-bearing-4x15x6mm-vxb-ball-bearings-1-32680223342827.jpg?v=1775599362","url":"https:\/\/hfbearings.ca\/products\/4mm-bore-bearing-with-15mm-round-nylon","provider":"H\u0026F Bearings","version":"1.0","type":"link"}