{"product_id":"inner-ring-metric-lrtz202518-20-mm-id-x-25-mm-od-x","title":"Inner Ring Metric LRTZ202518, 20 mm ID x 25 mm OD x 18 mm Width, High Carbon Steel needle roller bearing race for assembly with RNA4904UU, general purpose single unit","description":"Metric inner ring LRTZ202518 - 20 x 25 x 18 mm single unit\u003cbr\u003e\n✔️ High carbon steel race; fits RNA4904UU; ID20mm OD25mm width18mm\n\n\u003cp\u003eThis inner ring is a precision metric inner race for needle roller bearing assemblies, sold as a single unit. It's commonly used in linear slide units, compact gearboxes, robotics, and conveyor drives where a hardened running surface is needed.\u003c\/p\u003e\n\n✅ Model: LRTZ202518 (Metric LRTZ series)\u003cbr\u003e\n✅ Inner diameter: 20 mm (ID20mm)\u003cbr\u003e\n✅ Outer diameter: 25 mm (OD25mm)\u003cbr\u003e\n✅ Width: 18 mm (width18mm)\u003cbr\u003e\n✅ Material: High carbon steel, machined raceway\u003cbr\u003e\n✅ Application: For use with RNA4904UU needle roller bearing assemblies\u003cbr\u003e\n\n\u003cp\u003e💡 What is an inner ring used for in a needle roller bearing assembly? It provides the hardened, precision raceway that needle rollers run on, enabling smooth rotation and accurate linear motion in compact assemblies. Quick overview:\n- Improves load distribution and reduces wear in needle roller bearing and linear slide unit applications.\n- Preferred where high carbon steel or ceramic raceways boost durability compared to sealed ball bearing alternatives.\n- Commonly used in compact gearboxes, robotics joints, and conveyor systems for precise motion control.\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511246451007,"sku":"861050","price":31.12,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/inner-ring-metric-lrtz202518-high-carbon-steel.png?v=1776641138","url":"https:\/\/bearingscanada.com\/products\/inner-ring-metric-lrtz202518-20-mm-id-x-25-mm-od-x","provider":"Bearings Canada","version":"1.0","type":"link"}