{"product_id":"single-caged-heavy-duty-roller-bearing-nau4909-45","title":"Single Caged Heavy-Duty Roller Bearing NAU4909, 45 mm ID x 68 mm OD x 22 mm Width, High Carbon Steel Outer Ring with Oil Holes, Double-Row Metric Series, Open Enclosure, 8000 rpm Rated","description":"Single caged heavy-duty NAU4909 roller bearing 45x68x22 mm\u003cbr\u003e\n✔️ High carbon steel, outer ring oil holes, double-row, open\n\n\u003cp\u003eThis single bearing is a double-row caged roller unit ideal for industrial linear slide units, gearboxes and heavy machinery where combined radial and axial loads occur.\u003c\/p\u003e\n\n✅ 45 mm inside diameter (ID)\u003cbr\u003e\n✅ 68 mm outside diameter (OD)\u003cbr\u003e\n✅ 22 mm width, open enclosure\u003cbr\u003e\n✅ High carbon steel material, heavy-duty design\u003cbr\u003e\n✅ Double-row caged rollers, outer ring with oil holes for relubrication\u003cbr\u003e\n✅ Dynamic load capacity 24,800 N; static load capacity 32,800 N\u003cbr\u003e\n✅ Maximum speed 8,000 rpm; temperature range -20 to 120 °C\u003cbr\u003e\n✅ NAU4909 NAU metric series, single bearing, SKU 1912128\u003cbr\u003e\n\n\u003cp\u003e💡 What are the advantages of using a double-row caged roller bearing in heavy-duty linear slide units?\nThey handle combined loads with lower friction and are handy for demanding industrial gear and slide setups.\nHere’s a quick rundown:\n- Higher radial and axial load capacity, great for linear slide unit applications\n- Caged rollers reduce friction and heat, an effective alternative to sealed ball bearing or ceramic upgrades\n- Outer ring oil holes simplify relubrication and maintenance, helping extend service life\n\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969327186155,"sku":"1912128","price":158.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71d31c65cf6a8c5e32661e60ab32853e.jpg?v=1773719148","url":"https:\/\/vxb.com\/products\/single-caged-heavy-duty-roller-bearing-nau4909-45","provider":"VXB Bearings","version":"1.0","type":"link"}