{"product_id":"caged-machined-needle-roller-bearing-rna4972-400-m","title":"Caged Machined Needle Roller Bearing RNA4972, 400 mm I.D. x 480 mm O.D. x 118 mm Width, High Carbon Steel, Oil Hole, Single-Row Open Type, RNA49 Metric Series, High Load Capacity","description":"Caged machined needle roller bearing RNA4972 (single)\u003cbr\u003e\n✔️ 400 mm (15.75 in) x 480 mm (18.90 in) x 118 mm (4.65 in), single-row\n\n\u003cp\u003eThis is a machined type caged needle roller bearing sold as a single bearing unit for heavy radial-load applications in gearboxes, pumps, and linear slide units.\u003c\/p\u003e\n\n✅ Model: RNA4972, RNA49 Metric Series, open type\u003cbr\u003e\n✅ Material: High carbon steel, machined cage\u003cbr\u003e\n✅ I.D.: 400 mm (15.75 in), O.D.: 480 mm (18.90 in)\u003cbr\u003e\n✅ Width: 118 mm (4.65 in); single-row, caged\u003cbr\u003e\n✅ Dynamic load capacity: 1,260,000 N; static load: 3,200,000 N\u003cbr\u003e\n✅ Max speed: 600 rpm; enclosure: open; with oil holes for lubrication\u003cbr\u003e\n✅ Rows: 1; weight: 85.14 lb (38.63 kg); SKU: 864072\u003cbr\u003e\n✅ Typical applications: gearbox shafts, pump drives, linear slide unit bearings; consider sealed ball bearing or ceramic alternatives for different needs\u003cbr\u003e\n\n\u003cp\u003e💡 What is a caged needle roller bearing used for in heavy-duty linear slide units?\nShort answer: It gives compact, high-capacity radial support where space is limited.\n- Ideal when you need high radial load capacity in tight radial space for linear slide unit setups.\n- Caged machined types run well at moderate speeds and let you service lubrication through oil holes.\n- Compare with sealed ball bearing or ceramic options when you want lower friction or contamination protection.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969329283307,"sku":"864072","price":12664.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/a27aebf6149f0fde19f4ca52cf18828a.jpg?v=1773719017","url":"https:\/\/vxb.com\/products\/caged-machined-needle-roller-bearing-rna4972-400-m","provider":"VXB Bearings","version":"1.0","type":"link"}