{"product_id":"lfr50-5-4npp-5mm-id-x-4mm-u-groove-trac","title":"LFR50\/5-4NPP 5mm ID x 4mm U-Groove Track Roller Bearing","description":"\u003cp\u003eLFR50\/5-4NPP U-Groove Guide Bearing\u003cbr\u003e✔️ 4mm ID x 16mm OD - Track Roller for Linear Motion\u003c\/p\u003e\n\u003cp\u003eThe LFR50\/5-4NPP is a compact U-groove track roller bearing made for guiding systems that ride along round shafts or tracks. With a 4mm inner diameter and 16mm outer diameter, it's a popular choice for small linear systems, 3D printers, and automated setups needing smooth motion in tight spots.\u003c\/p\u003e\n\u003cp\u003e✅ 1 U-groove guide bearing per pack\u003cbr\u003e✅ Inner diameter (dw): 4mm\u003cbr\u003e✅ U-groove diameter: 5mm\u003cbr\u003e✅ Outer diameter (D): 16mm\u003cbr\u003e✅ Width (C): 7mm\u003cbr\u003e✅ Overall width (B): 8mm\u003cbr\u003e✅ Flange width (A): 9mm\u003cbr\u003e✅ Max corner radius (rs): 0.2mm\u003cbr\u003e✅ Load rating Cw: 1.27 kN\u003cbr\u003e✅ Load rating Cow: 0.82 kN\u003c\/p\u003e\n\u003cp\u003e💡 What are U-groove bearings used for in linear motion systems?\u003cbr\u003eThey guide movement smoothly along round shafts or rails, even in compact or curved tracks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePerfect for CNC, 3D printers, and guide rail systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eU-groove design grips round tracks without slipping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHandles radial and axial loads with stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow friction and quiet operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLooking for tight, clean guidance on your track system? This bearing keeps you locked in and rolling - snag one today and tighten up your motion game!\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":48282739376346,"sku":"Kit8368","price":38.06,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/2674\/3514\/files\/lfr505-4npp-5mm-id-x-4mm-u-groove-track-roller-bearing-track-bearings-vxb-ball-bearings-1.jpg?v=1785426119","url":"https:\/\/hfbearings.ca\/products\/lfr50-5-4npp-5mm-id-x-4mm-u-groove-trac","provider":"H\u0026F Bearings","version":"1.0","type":"link"}