{"product_id":"single-inner-ring-irt3540-metric-35-mm-id-x-40-mm","title":"Single Inner Ring IRT3540 Metric 35 mm ID x 40 mm OD x 40.5 mm Width Shell-Type High Carbon Steel for TA4040Z Needle Roller Bearing Assembly Replacement Race Precision Component","description":"Single IRT3540 metric inner ring 35 mm ID x 40 mm OD\u003cbr\u003e\n✔️ 40.5 mm width; high carbon steel; shell type; fits TA4040Z\n\n\u003cp\u003eThis single metric inner ring is a replacement inner race for shell-type needle roller bearing assemblies, commonly used in gearboxes, transmissions, and linear slide unit guides where a compact, hardened raceway is needed.\u003c\/p\u003e\n\n✅ Model: IRT3540 (Metric series)\u003cbr\u003e\n✅ Bore type: Tapered inner bore for assembly\u003cbr\u003e\n✅ Inside diameter: 35 mm\u003cbr\u003e\n✅ Outside diameter: 40 mm\u003cbr\u003e\n✅ Width: 40.5 mm\u003cbr\u003e\n✅ Material: High carbon steel, heat treated\u003cbr\u003e\n✅ Fits: Shell-type needle roller bearing TA4040Z assembly\u003cbr\u003e\n✅ Pack: single inner ring; replacement component\u003cbr\u003e\n\n\u003cp\u003e💡 What is an inner ring used for in needle roller bearings? \nAn inner ring provides a hardened running surface for rollers and maintains alignment and load distribution in compact bearing setups.\nQuick overview:\n- Provides a wear-resistant raceway to increase service life and load capacity.\n- Keeps needle rollers aligned inside shell-type bearings used in linear slide units and gearboxes.\n- Acts as the mating surface with sealed ball bearing housings or ceramic rollers for high-speed or heavy-load applications.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969363427563,"sku":"861839","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/1cacb5fc7ed1f1a9888e7ce879788ca3.png?v=1775237319","url":"https:\/\/vxb.com\/products\/single-inner-ring-irt3540-metric-35-mm-id-x-40-mm","provider":"VXB Bearings","version":"1.0","type":"link"}