{"product_id":"caged-nau4904uu-roller-bearing-single-20-mm-id-x-3","title":"Caged NAU4904UU Roller Bearing Single 20 mm ID x 37 mm OD x 17 mm Width, High Carbon Steel Sealed Dual-Row, Outer Ring Oil Holes, Heavy Duty for Linear Slide Unit and Industrial Equipment","description":"Single caged dual-row roller bearing 20 x 37 x 17 mm sealed\u003cbr\u003e\n✔️ High carbon steel; outer oil holes; sealed; 20 mm ID, 37 mm OD, 17 mm\n\n\u003cp\u003eThis single sealed caged roller bearing (model NAU4904UU) is a dual-row metric unit commonly used in linear slide units, conveyor systems, and heavy machinery where high radial load capacity and low maintenance are needed.\u003c\/p\u003e\n\n✅ Model: NAU4904UU, NAU Metric Series, single bearing\u003cbr\u003e\n✅ Material: High carbon steel, heavy duty caged rollers\u003cbr\u003e\n✅ Enclosure: With seals; seal material synthetic resin rubber\u003cbr\u003e\n✅ Outer ring: Oil holes for relubrication access\u003cbr\u003e\n✅ Dimensions: 20 mm ID, 37 mm OD, 17 mm width\u003cbr\u003e\n✅ Load capacity: Dynamic 10700 N; Static 11300 N\u003cbr\u003e\n✅ Speed \u0026amp; temp: Max 8000 rpm; -20 to 120 deg C operating range\u003cbr\u003e\n✅ Rows \u0026amp; type: Dual-row, caged heavy duty roller bearing\u003cbr\u003e\n\n\u003cp\u003e💡 What is a sealed roller bearing used for in linear slide unit and heavy equipment applications?\nSealed roller bearings keep lubrication in and contaminants out, making them handy for motion systems and reducing downtime.\n- Great for linear slide unit guides and CNC rails where sealed ball bearing replacements are needed\n- Works well in heavy duty, dual-row applications needing high radial load capacity and relubrication points\n- Common choice for pillow block bearing mounts, conveyor systems, and industrial motion control; consider ceramic bearings for high-speed or corrosive cases\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969396949227,"sku":"1912119","price":164.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/7f4256e61dc2ecbe14ecf5d342bf9ad3.jpg?v=1773713731","url":"https:\/\/vxb.com\/products\/caged-nau4904uu-roller-bearing-single-20-mm-id-x-3","provider":"VXB Bearings","version":"1.0","type":"link"}