{"product_id":"inner-ring-irt4520-metric-needle-roller-bearing-45","title":"Inner Ring IRT4520 Metric Needle Roller Bearing 45 mm ID x 50 mm OD x 20.5 mm Width Shell-Type High Carbon Steel Fits TA5020Z and TLA5020Z Single Unit for Precision Machinery and Linear Slide Units","description":"Metric inner ring IRT4520 for needle roller bearings\u003cbr\u003e\n✔️ 45 mm ID x 50 mm OD x 20.5 mm W, high carbon steel, single unit\n\n\u003cp\u003eThis is a single IRT4520 inner ring for shell-type needle roller bearing assemblies, used in linear slide units, precision machinery, and sealed ball bearing replacements.\u003c\/p\u003e\n\n✅ Model: IRT4520, Metric IRT series\u003cbr\u003e\n✅ Bore: tapered (tapered bore type), fits shell-type housings\u003cbr\u003e\n✅ Dimensions: 45 mm ID, 50 mm OD, 20.5 mm width\u003cbr\u003e\n✅ Material: high carbon steel for durable inner race performance\u003cbr\u003e\n✅ Compatible with TA5020Z and TLA5020Z assemblies\u003cbr\u003e\n✅ Ideal for linear slide unit and sealed ball bearing replacement tasks\u003cbr\u003e\n\n\u003cp\u003e💡 What is an inner ring used for in shell-type needle roller bearings and linear slide units?\nIt provides the hardened raceway surface the rollers need to run smoothly and carry radial loads reliably.\nHere's why it can be handy:\n- Provides a hardened running surface for needle roller bearings and sealed ball bearing setups, improving wear resistance and service life\n- Ensures accurate fit in shell-type housings and linear slide units, including tapered bore applications for precise alignment\n- Offers a cost-effective inner race option when repairing or replacing components in precision machinery and linear guide systems\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969428766955,"sku":"861419","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/metric-irt4520-needle-roller-bearing-inner-ring.png?v=1775238766","url":"https:\/\/vxb.com\/products\/inner-ring-irt4520-metric-needle-roller-bearing-45","provider":"VXB Bearings","version":"1.0","type":"link"}