{"product_id":"needle-roller-cage-kt404820c3-40-mm-id-x-48-mm-od","title":"Needle Roller Cage KT404820C3, 40 mm ID x 48 mm OD x 20 mm W, High Carbon Steel, C3 Roller Tolerance, Single Piece for Linear Slide and Sealed Ball Bearing Use","description":"KT404820C3 needle roller cage, 40 x 48 x 20 mm single piece\u003cbr\u003e\n✔️ High carbon steel, C3 roller tolerance, 31400 N dyn load, 12000 rpm\n\n\u003cp\u003eThis single-piece needle roller cage is a high carbon steel retainer for 40 mm ID applications. It’s used in compact linear slide units, sealed ball bearing assemblies, transmissions, and industrial machinery where space and load capacity matter.\u003c\/p\u003e\n\n✅ Model: KT404820C3, KT Series, single piece\u003cbr\u003e\n✅ Inside diameter 40 mm, outside diameter 48 mm, width 20 mm\u003cbr\u003e\n✅ Material: high carbon steel; C3 tolerance for roller diameter\u003cbr\u003e\n✅ Dynamic load capacity 31400 N; static load 48000 N; max speed 12000 rpm\u003cbr\u003e\n✅ Temperature range -20 to 120 °C; weight approx 0.120 lb (0.054 kg)\u003cbr\u003e\n✅ Designed for linear slide unit, sealed ball bearing setups, and transmission use; compatible with ceramic roller options\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller cage used for?\nA needle roller cage holds and spaces needle rollers so they can carry high radial loads in a low-profile package. It’s a handy component when you need compact, reliable rolling-element support.\nHere are common applications and keyword-rich uses:\n- Ideal for linear slide unit guides and compact rail systems for precise linear motion\n- Used in sealed ball bearing and hybrid bearing assemblies to reduce friction and maintain roller spacing\n- Common in automotive transmissions, gearboxes, and tight industrial machinery for high radial load support\n- Works with ceramic or steel rollers for higher speed, temperature, and durability demands\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511316541759,"sku":"1911814","price":54.81,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/needle-roller-cage-high-carbon-steel.png?v=1776639586","url":"https:\/\/bearingscanada.com\/products\/needle-roller-cage-kt404820c3-40-mm-id-x-48-mm-od","provider":"Bearings Canada","version":"1.0","type":"link"}