{"product_id":"machined-caged-needle-roller-bearing-single-unit-2","title":"Machined Caged Needle Roller Bearing, Single Unit, 265 mm ID x 320 mm OD x 80 mm W, High Carbon Steel, With Oil Hole, RNA49 Metric Series for Heavy-Duty Linear Slide Units","description":"Single machined caged needle roller bearing, RNA49\u003cbr\u003e\n✔️ 265 mm ID x 320 mm OD x 80 mm W, high carbon steel, oil hole\n\n\u003cp\u003eThis single machined caged needle roller bearing is built for heavy-duty linear slide units, gearboxes, and industrial machinery that need compact radial support and high load capacity. Sold as one bearing (single unit).\u003c\/p\u003e\n\n✅ Model: RNA4948, RNA49 Metric Series\u003cbr\u003e\n✅ Type: Caged machined needle roller, open enclosure\u003cbr\u003e\n✅ Inner diameter (ID): 265 mm\u003cbr\u003e\n✅ Outer diameter (OD): 320 mm\u003cbr\u003e\n✅ Width: 80 mm\u003cbr\u003e\n✅ Material: High carbon steel\u003cbr\u003e\n✅ Oil hole: With oil holes for relubrication\u003cbr\u003e\n✅ Dynamic load capacity: 565000 N\u003cbr\u003e\n✅ Static load capacity: 1320000 N\u003cbr\u003e\n✅ Maximum speed: 1300 rpm, single row\u003cbr\u003e\n✅ Typical use: linear slide unit, gearboxes, automation equipment\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in heavy-duty linear slide units?\u003c\/p\u003e\n\u003cp\u003eNeedle roller bearings are handy when you need high radial load capacity in a tight space. Below are key points to help you decide:\u003c\/p\u003e\n- Ideal for compact radial support in linear slide units and machine tools, compared to sealed ball bearing alternatives\n- Preferred where small cross-section bearings must carry large dynamic loads; oil holes help with maintenance and relubrication\n- Consider ceramic or sealed ball bearing options for low-friction or corrosion-resistant needs, but needle rollers excel in tight, heavy-load setups","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969324073195,"sku":"864027","price":5058.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/79df9e63791ecd109b8baf732c0a7e0c.jpg?v=1773719390","url":"https:\/\/vxb.com\/products\/machined-caged-needle-roller-bearing-single-unit-2","provider":"VXB Bearings","version":"1.0","type":"link"}