{"product_id":"inner-ring-irt815-metric-needle-roller-inner-race","title":"Inner Ring IRT815 metric needle roller inner race 8 mm ID x 12 mm OD x 15.5 mm W shell-type high carbon steel single piece 1 count fits TA1215Z for linear slide units sealed ball bearing assemblies","description":"Single IRT815 inner ring, metric 8 x 12 x 15.5 mm race\u003cbr\u003e\n✔️ 8 mm ID, 12 mm OD, 15.5 mm width; for TA1215Z assembly, 1 pc\n\n\u003cp\u003eThis metric inner ring (inner race) is a single-piece component for shell-type needle roller bearings, typically used in transmissions, gearboxes, and linear slide units where compact radial support is needed.\u003c\/p\u003e\n\n✅ Series: IRT (model IRT815)\u003cbr\u003e\n✅ Dimensions: 8 mm ID x 12 mm OD x 15.5 mm width\u003cbr\u003e\n✅ Material: high carbon steel inner race for shell-type needle roller bearings\u003cbr\u003e\n✅ Compatibility: fits TA1215Z shell assemblies; works well with sealed ball bearing setups and linear slide units\u003cbr\u003e\n✅ Pack: 1 piece (single inner ring); approx weight 0.02 lb\u003cbr\u003e\n\n\u003cp\u003e💡 What is an inner ring for a needle roller bearing used for in mechanical assemblies?\nAn inner ring gives a hardened running surface and precise fit for needle rollers, helping ensure reliable radial support and long service life.\n- Provides accurate radial guidance and even load distribution for needle roller elements, improving bearing life\n- Keeps assemblies compact for tight spaces like gearboxes, transmissions, and linear slide units\n- Enables integration with sealed ball bearing arrangements and preserves lubrication paths for better performance\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969333248235,"sku":"860737","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/588c1c794e3544f039a3514fc98a9c33.png?v=1775236940","url":"https:\/\/vxb.com\/products\/inner-ring-irt815-metric-needle-roller-inner-race","provider":"VXB Bearings","version":"1.0","type":"link"}