{"product_id":"inner-ring-irt1222-metric-12-mm-id-x-15-mm-od-x-22","title":"Inner Ring IRT1222 Metric 12 mm ID x 15 mm OD x 22.5 mm Width for Shell-Type Needle Roller, Tapered Bore, High Carbon Steel, Fits TLA1522Z Assembly (1pc)","description":"Metric inner ring IRT1222 for shell-type bearings\u003cbr\u003e\n✔️ 12 mm ID x 15 mm OD x 22.5 mm W, high carbon steel, 1pc, fits TLA1522Z\n\n\u003cp\u003eThis single inner ring (IRT1222) is a high carbon steel raceway part for shell-type needle roller bearing assemblies, commonly used in linear slide units, compact gearboxes and transmission components.\u003c\/p\u003e\n\n✅ Model: IRT1222, Metric series, tapered bore, fits TLA1522Z\u003cbr\u003e\n✅ Dimensions: 12 mm ID x 15 mm OD x 22.5 mm width\u003cbr\u003e\n✅ Material: high carbon steel, not ceramic, single piece (1pc)\u003cbr\u003e\n✅ Application: shell-type needle roller assemblies, linear slide units, gearboxes\u003cbr\u003e\n✅ Note: not a sealed ball bearing; inner ring only, weight ~0.020 lb each\u003cbr\u003e\n\n\u003cp\u003e💡 What is an inner ring used for in a shell-type needle roller bearing assembly?\nAn inner ring supplies a hardened raceway and precise shaft seating so needle rollers carry radial loads reliably.\nShort intro sentence:\n- Provides the raceway surface for needle rollers, ideal for linear slide units and slim gearbox designs\n- Works with tapered bores and shell housings to ensure correct mounting and preload with assemblies like TLA1522Z\n- A compact steel option that is not a replacement for sealed ball bearing units or ceramic parts when sealing or high-temp performance is required\n\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511242912063,"sku":"861100","price":33.46,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/cd4cda1bc0c958de27e09fefcb3475e3.png?v=1776641211","url":"https:\/\/bearingscanada.com\/products\/inner-ring-irt1222-metric-12-mm-id-x-15-mm-od-x-22","provider":"Bearings Canada","version":"1.0","type":"link"}