{"product_id":"single-needle-roller-bearing-na4904-machined-type","title":"Single Needle Roller Bearing NA4904 Machined Type, 20 mm ID x 37 mm OD x 17 mm Width, Caged High-Carbon Steel with Oil Holes and Inner Ring, NA49 Series, 21000 N Dynamic, 16000 rpm","description":"Single machined needle roller bearing NA4904, 20×37×17 mm\u003cbr\u003e\n✔️ 20 mm ID, 37 mm OD, 17 mm W; caged, oil-hole, high carbon steel\n\n\u003cp\u003eThis single machined needle roller bearing is designed for compact industrial shafts and linear slide unit guides where high radial load capacity and oil-hole lubrication are required.\u003c\/p\u003e\n\n✅ Type: Caged machined needle bearing, NA49 Metric Series\u003cbr\u003e\n✅ Inner ring included with oil holes for easy lubrication\u003cbr\u003e\n✅ Material: high carbon steel; dynamic load 21000 N, static 25000 N\u003cbr\u003e\n✅ Max speed 16000 rpm; suited for linear slide unit, gearboxes, pumps\u003cbr\u003e\n✅ Single bearing pack, model NA4904; weight ~1.0 lb; SKU 1912001\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for? Needle roller bearings provide high radial load capacity in tight spaces, perfect for compact shafts and guides.\n- Great where a sealed ball bearing would be too bulky or a ceramic option is chosen for low friction\n- Commonly used in transmissions, pumps, gearboxes, and linear slide unit applications needing oil-hole lubrication\n- Pick machined inner-ring caged types when accurate shaft alignment and serviceable lubrication are needed\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969385316587,"sku":"1912001","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/f6b4d15df06ddddcfba75c29f35b926f.png?v=1775237813","url":"https:\/\/vxb.com\/products\/single-needle-roller-bearing-na4904-machined-type","provider":"VXB Bearings","version":"1.0","type":"link"}