{"product_id":"single-metric-bearing-race-40x45x20-mm-high-carbon","title":"Single metric bearing race 40x45x20 mm, high carbon steel needle roller inner ring, designed to assemble with TAF455520 \u0026 RNAF456220, suitable for general industrial and machinery use","description":"Single metric bearing race 40x45x20 mm inner ring assembly\u003cbr\u003e✔️ 40 mm ID x 45 mm OD x 20 mm W, HC steel, for TAF455520 \u0026amp; RNAF456220\n\n\u003cp\u003eThis single inner ring (bearing race) is made from high carbon steel for needle roller applications, commonly used in linear slide units, transmissions and industrial machinery.\u003c\/p\u003e\n\n✅ ID: 40 mm (inside diameter)\u003cbr\u003e\n✅ OD: 45 mm (outside diameter)\u003cbr\u003e\n✅ Width: 20 mm (race thickness)\u003cbr\u003e\n✅ Material: high carbon steel, machined needle roller race\u003cbr\u003e\n✅ Series\/model: LRT404520, designed to mate with TAF455520 and RNAF456220\u003cbr\u003e\n✅ Application notes: fits needle roller setups, sealed ball bearing housings, linear slide unit use\u003cbr\u003e\n\n\u003cp\u003e💡 What is an inner ring for needle roller bearings used for in linear slide units and industrial machinery?\n\nIt provides a hardened running surface that keeps rollers aligned, controls clearance, and cuts wear under radial loads.\n\nHere's why it's handy:\n- Supports radial loads and enables compact linear slide unit layouts for tight machinery spaces.\n- Pairs with needle rollers, sealed ball bearing assemblies, or ceramic elements to improve motion precision and reduce friction.\n- Simplifies assembly and maintenance when used with matching parts like RNAF456220 or TAF455520.\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511475827007,"sku":"861217","price":38.52,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/inner-ring-bearing-race-40x45x20-hc-steel.png?v=1776636116","url":"https:\/\/bearingscanada.com\/products\/single-metric-bearing-race-40x45x20-mm-high-carbon","provider":"Bearings Canada","version":"1.0","type":"link"}