{"product_id":"single-machined-needle-roller-bearing-na4860-inner","title":"Single machined needle roller bearing NA4860 inner ring, 300 mm ID x 380 mm OD x 80 mm width, high carbon steel caged design with oil holes for heavy-duty shafts NA48 metric series","description":"Single machined needle bearing NA4860, 300 x 380 x 80 mm\u003cbr\u003e\n✔️ 300 mm ID, 380 mm OD, 80 mm width; high carbon steel, oil holes\n\n\u003cp\u003eThis is a single machined-type needle roller bearing with inner ring, built for heavy shafts and industrial carriers. It’s commonly used in gearboxes, conveyors, motor drives, and linear slide unit setups. \u003c\/p\u003e\n\n\u003cp\u003e✅ Model: NA4860, NA48 metric series\u003cbr\u003e\n✅ Inner diameter (I.D.): 300 mm\u003cbr\u003e\n✅ Outer diameter (O.D.): 380 mm\u003cbr\u003e\n✅ Width: 80 mm\u003cbr\u003e\n✅ Material: high carbon steel, caged machined type\u003cbr\u003e\n✅ Dynamic load capacity: 610000 N; Static load capacity: 1900000 N\u003cbr\u003e\n✅ Max speed: 900 rpm; Open enclosure with oil holes for relubrication\u003cbr\u003e\n✅ Sold as a single bearing, weight ~1.000 lb each\u003c\/p\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in heavy machinery and linear slide units? \nNeedle roller bearings provide compact, high-capacity radial support where space is limited and precise shaft guidance is needed.\n- Ideal for shafts, gearboxes, and conveyor drives where a low-profile bearing beats a sealed ball bearing in tight fitments.\n- Often chosen over ceramic options when high load capacity and oil-relubrication are required in industrial applications.\n- Handy for linear slide unit assemblies and motor housings that need caged machined bearings with oil holes for maintenance.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969320173803,"sku":"864050","price":8006.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/062f68e10a7b8117a12890f19f573595.png?v=1773719702","url":"https:\/\/vxb.com\/products\/single-machined-needle-roller-bearing-na4860-inner","provider":"VXB Bearings","version":"1.0","type":"link"}