{"product_id":"needle-roller-bearing-na4936-machined-inner-ring-1","title":"Needle Roller Bearing NA4936 Machined Inner Ring 180 mm ID x 250 mm OD x 69 mm Width, High Carbon Steel with Oil Holes, Caged NA49 Metric Series, Single Bearing","description":"Machined needle roller bearing NA4936, single unit\u003cbr\u003e\n✔️ ID 180 mm x OD 250 mm x W 69 mm, high carbon steel\n\n\u003cp\u003eThis single machined needle roller bearing NA4936 fits heavy-duty radial support roles in gearboxes, pumps and linear slide units where compact, high-capacity bearings are handy.\u003c\/p\u003e\n\n✅ Model: NA4936, NA49 metric series\u003cbr\u003e\n✅ Inner ring, machined caged type, open enclosure\u003cbr\u003e\n✅ ID 180 mm, OD 250 mm, Width 69 mm\u003cbr\u003e\n✅ Material: high carbon steel; oil holes included\u003cbr\u003e\n✅ Dynamic load rating 434000 N, static 989000 N\u003cbr\u003e\n✅ Max speed 1900 rpm; weight approx 0.45 kg (1.0 lb)\u003cbr\u003e\n✅ Not a sealed ball bearing; ceramic alternatives available\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in industrial applications?\nNeedle roller bearings provide strong radial support in tight spaces and are handy for machines that need compact, high-load solutions.\nQuick intro:\n- Ideal for compact gearboxes, pumps, and linear slide units needing high radial capacity and low cross-section\n- Preferred over sealed ball bearing when axial loads are low and space is limited; ceramic options suit high-speed or corrosive setups\n- Use machined caged inner rings with oil holes for easier lubrication and lower maintenance\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969342718187,"sku":"863984","price":2429.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/2fd7a97b64ca9d84d265cceeee56d067.png?v=1773717985","url":"https:\/\/vxb.com\/products\/needle-roller-bearing-na4936-machined-inner-ring-1","provider":"VXB Bearings","version":"1.0","type":"link"}