{"product_id":"single-inner-ring-lrtz121623-12x16x23-mm-metric-ra","title":"Single Inner Ring LRTZ121623 12x16x23 mm Metric Race for Needle Roller Bearing Fits RNA6901UU, High Carbon Steel Replacement for Linear Slide Unit, sealed ball bearing, ceramic upgrades","description":"Single 12x16x23 mm inner ring for needle bearings\u003cbr\u003e\n✔️ High carbon steel, bore 12 mm, OD 16 mm, width 23 mm, single piece\n\n\u003cp\u003eThis single inner ring (pack of 1) is a metric inner race for needle roller bearings, designed to assemble with RNA6901UU and used in linear slide units, small gearboxes, and compact automation systems.\u003c\/p\u003e\n\n✅ Model: LRTZ121623, metric inner ring, bore 12 mm, OD 16 mm, width 23 mm\u003cbr\u003e\n✅ Material: high carbon steel, machined race surface for needle rollers\u003cbr\u003e\n✅ Compatibility: designed to assemble with RNA6901UU needle roller cages\u003cbr\u003e\n✅ Typical use: linear slide unit components, small drives, and seal\/ball bearing conversions\u003cbr\u003e\n✅ Pack: single inner ring (1 piece), lightweight replacement part\u003cbr\u003e\n\n\u003cp\u003e💡 What is an inner ring for needle roller bearings used for?\nAn inner ring gives needle rollers a hardened raceway and is handy for tight radial guidance in compact assemblies.\nQuick overview to help pick the right race:\n- Fits inside assemblies like linear slide units, small gearboxes, and precision guides.\n- Enables upgrades or swaps with sealed ball bearing setups or ceramic bearing conversions when dimensions match.\n- Use with matching cages (e.g., RNA6901UU) for reliable low-profile rotational support.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969375224043,"sku":"861030","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/d9a18994dc95bf7f2f7703b2f5b9575f.png?v=1775237582","url":"https:\/\/vxb.com\/products\/single-inner-ring-lrtz121623-12x16x23-mm-metric-ra","provider":"VXB Bearings","version":"1.0","type":"link"}