{"product_id":"single-inner-ring-for-needle-roller-bearing-metric-4113","title":"Single Inner Ring for Needle Roller Bearing - Metric 20 mm ID, 25 mm OD, 17 mm Width; High-Carbon Steel Race for General Use, Fits RNA4904 and RNAF253517, LRT202517","description":"Single metric inner ring for needle roller bearings\u003cbr\u003e\n✔️ 20 mm ID, 25 mm OD, 17 mm W; HC steel; fits RNA4904 \u0026amp; RNAF253517\n\n\u003cp\u003eThis is a single inner ring (inner race) for needle roller bearings, used in linear slide units, transmissions, gearboxes, and industrial machinery. Sold as one unit each.\u003c\/p\u003e\n\n✅ Part: LRT202517, LRT Metric Series\u003cbr\u003e\n✅ Bore type: tapered; machined needle roller bearing race\u003cbr\u003e\n✅ Dimensions: 20 mm ID × 25 mm OD × 17 mm width\u003cbr\u003e\n✅ Material: high-carbon steel for general use\u003cbr\u003e\n✅ Compatible with RNA4904 and RNAF253517; fits linear slide units\u003cbr\u003e\n✅ Pack size: single inner ring (sold each unit)\u003cbr\u003e\n\n\u003cp\u003e💡 How does an inner ring for needle roller bearings improve linear slide unit durability and alignment?\nA proper inner ring provides a stable inner race that keeps rollers aligned and reduces wear.\n- Reduces friction and heat, helping bearings and linear slide units last longer.\n- Keeps concentricity and alignment for smoother motion in transmissions and guides.\n- Works well alongside sealed ball bearing setups or hybrid ceramic options for high-performance systems.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969454653675,"sku":"860787","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/inner-ring-needle-roller-bearing-steel.png?v=1775239341","url":"https:\/\/vxb.com\/products\/single-inner-ring-for-needle-roller-bearing-metric-4113","provider":"VXB Bearings","version":"1.0","type":"link"}