{"product_id":"machined-needle-roller-unit-na4911uu-55-mm-id-80-m","title":"Machined needle roller unit NA4911UU 55 mm ID, 80 mm OD, 25 mm width, high-carbon steel, oil hole, sealed single bearing, caged NA49 metric series","description":"Machined needle roller bearing, single sealed unit, NA4911UU\u003cbr\u003e\n✔️ 55 mm ID x 80 mm OD x 25 mm width, high-carbon steel, oil hole\n\n\u003cp\u003eThis machined-type needle roller bearing with seals and inner ring is built for compact, high-load shafts and industrial transmissions, ideal for linear slide units and gearboxes.\u003c\/p\u003e\n\n✅ Model: NA4911UU, NA49 metric series, caged machined\u003cbr\u003e\n✅ Inner diameter: 55 mm; Outer diameter: 80 mm; Width: 25 mm\u003cbr\u003e\n✅ Material: high-carbon steel; inner ring included; sealed unit\u003cbr\u003e\n✅ Seals: synthetic rubber; oil hole for relubrication and contamination control\u003cbr\u003e\n✅ Load capacity: dynamic 52,200 N; static 85,700 N\u003cbr\u003e\n✅ Max speed: 3,000 rpm; weight ~1.0 lb; single bearing pack\u003cbr\u003e\n✅ Perfect for compact shafts, gearboxes, transmissions, and linear slide units\u003cbr\u003e\n✅ Use as a sealed ball bearing alternative or alongside ceramic bearing systems\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in industrial equipment?\nNeedle roller bearings are used to support high radial loads where space is limited, making them a handy choice for shafts and rotating assemblies.\nQuick intro: They offer a slim profile with high load capacity and can work where sealed ball bearing or ceramic options are considered.\n- High radial load support in tight radial space; good sealed ball bearing alternative\n- Commonly used in gearboxes, transmissions, steering systems, and linear slide units\n- Sealed versions with oil holes and synthetic rubber seals help with relubrication and contamination resistance\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969365262571,"sku":"863290","price":187.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/927922e149a182c4311bfb0ffd0a7619.png?v=1775237363","url":"https:\/\/vxb.com\/products\/machined-needle-roller-unit-na4911uu-55-mm-id-80-m","provider":"VXB Bearings","version":"1.0","type":"link"}