Single Sealed Roller Bearing NAG4904UU 20 mm ID x 37 mm OD x 17 mm Width Full-Complement High-Carbon Steel Double-Row Heavy-Duty with Oil Hole for Linear Slide Units

Single sealed roller bearing 20 mm x 37 mm x 17 mm
✔️ Full-complement high-carbon steel sealed; oil hole, 2 rows

This is a single full-complement sealed roller bearing (model NAG4904UU) designed for heavy-duty shafts and linear slide units, offering strong radial capacity and low maintenance in industrial machinery.

✅ 20 mm inside diameter, 37 mm outside diameter, 17 mm width
✅ Full-complement, double-row design for high radial load capacity
✅ High carbon steel with dynamic 15600 N and static 18900 N ratings
✅ Sealed enclosure with oil hole for relubrication and contamination protection
✅ Max speed 5500 rpm, operating temperature -20 to 120 deg C
✅ NAG metric series heavy-duty bearing, single unit pack, model NAG4904UU

💡 What is a sealed roller bearing used for in linear slide units and heavy-duty shafts? A sealed roller bearing is a handy choice for supporting radial loads while keeping out dirt and holding lubrication. - Ideal for linear slide unit applications needing sealed bearing protection and on-shaft relubrication. - Great for heavy-duty shafts that require full-complement rollers with high radial capacity and heat tolerance. - Helps reduce maintenance and downtime in conveyors, CNC equipment, and automated machinery.