{"product_id":"caged-needle-roller-bearing-na4940-single-unit-200","title":"Caged Needle Roller Bearing NA4940 - Single Unit, 200 mm ID x 280 mm OD x 80 mm Width, High Carbon Steel Inner Ring with Oil Holes, Machined Type, Metric NA49 Series","description":"Single machined needle roller bearing NA4940\u003cbr\u003e\n✔️ 200 mm ID x 280 mm OD x 80 mm W; inner ring; oil holes\n\n\u003cp\u003eThis single machined-type needle roller bearing (model NA4940) is built for high-radial-load shafts, compact gearboxes, and linear slide unit applications needing tight radial clearance.\u003c\/p\u003e\n\n✅ Model: NA4940, Metric NA49 series\u003cbr\u003e\n✅ Dimensions: 200 mm ID x 280 mm OD x 80 mm Width\u003cbr\u003e\n✅ Material: High carbon steel inner ring, caged machined type\u003cbr\u003e\n✅ Oil holes included for direct lubrication; open enclosure\u003cbr\u003e\n✅ Dynamic load capacity 518000 N; static load capacity 1120000 N\u003cbr\u003e\n✅ Maximum speed 1600 rpm; ideal for linear slide unit and shaft use\u003cbr\u003e\n✅ Single bearing pack; approx. weight 1.0 lb each\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in linear slide units and heavy-duty shafts?\u003cbr\u003e\nNeedle roller bearings provide high radial capacity in limited radial space. Here’s why they’re handy and how they’re applied:\u003cbr\u003e\n- High radial load support for compact shaft designs and linear slide unit assemblies.\u003cbr\u003e\n- Preferred where sealed ball bearing options are too bulky; fits tight clearance designs.\u003cbr\u003e\n- Works well with oil-lubricated setups; oil holes and machined inner rings boost lubrication efficiency.\u003cbr\u003e\n- Common in transmissions, pumps, and automation equipment where high load density is required.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969472774379,"sku":"864018","price":3858.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/caged-needle-roller-bearing-na4940.png?v=1775239755","url":"https:\/\/vxb.com\/products\/caged-needle-roller-bearing-na4940-single-unit-200","provider":"VXB Bearings","version":"1.0","type":"link"}