{"product_id":"inner-ring-lrt400450140-metric-400-mm-id-x-450-mm","title":"Inner Ring LRT400450140, Metric 400 mm ID x 450 mm OD x 140 mm Width, High Carbon Steel, Tapered Bore, For RNA4980 Needle Roller Assembly, for precision linear slide units","description":"Inner ring LRT400450140, 400 x 450 x 140 mm metric\u003cbr\u003e\n✔️ Single bearing, tapered bore, high carbon steel, fits RNA4980\n\n\u003cp\u003eThis precision inner ring is a machined race used with needle roller bearings in industrial gearboxes, linear slide units, and automation equipment. Sold as one single bearing for replacement or assembly.\u003c\/p\u003e\n\n✅ Model: LRT400450140 (Metric Series) \u003cbr\u003e\n✅ Inside diameter: 400 mm \u003cbr\u003e\n✅ Outside diameter: 450 mm \u003cbr\u003e\n✅ Width: 140 mm \u003cbr\u003e\n✅ Bore type: Tapered (machined for RNA4980) \u003cbr\u003e\n✅ Material: High carbon steel; suitable for sealed ball bearing setups \u003cbr\u003e\n✅ Weight: 78.320 lb; SKU: 864036; Unit: each \u003cbr\u003e\n\n\u003cp\u003e💡 What is an inner ring used for in needle roller bearing assemblies for linear slide units?\nInner rings give a hardened, precise race for rollers and help mount bearings in machines.\n- Provides a precision running surface for needle rollers and supports radial loads.\n- Makes assembly with cages and RNA-series rollers easier; helps retrofit sealed ball bearing or ceramic options.\n- Common in linear slide units, gearboxes, conveyors, and automation systems for maintenance and upgrades.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969412579563,"sku":"864036","price":6041.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/78e82be28ce6a92de24c064ba324fb98.png?v=1775238434","url":"https:\/\/vxb.com\/products\/inner-ring-lrt400450140-metric-400-mm-id-x-450-mm","provider":"VXB Bearings","version":"1.0","type":"link"}