Single caged roller bearing NAU4910UU 50×72×22 mm (ID×OD×W) double-row heavy-duty high-carbon steel outer ring with oil holes and seals for linear slide units, industrial machinery, 3500 rpm
✔️ Double-row high-carbon steel outer ring w/ oil holes, with seals
This single double-row caged roller bearing is made for heavy-duty industrial and linear slide unit use, providing sealed protection and easy relubrication for machinery maintenance.
✅ Double-row caged roller design for high radial loads✅ Inside diameter 50 mm, outside diameter 72 mm, width 22 mm
✅ High-carbon steel material for durability and load capacity
✅ Outer ring with oil holes for relubrication without disassembly
✅ Seals made from synthetic resin rubber to keep contaminants out
✅ Dynamic capacity 26,200 N; static capacity 36,200 N
✅ Maximum speed 3,500 rpm; temperature range -20 to 120°C
✅ NAU Metric Series, model NAU4910UU; sold as a single bearing unit
💡 What is a caged roller bearing used for in heavy-duty linear slide units? Caged roller bearings are built to support heavy radial loads and guide precise linear motion while allowing relubrication and sealing for harsher environments. Here’s why they’re handy in industrial setups: - Provides robust radial load capacity for conveyors, gearboxes, and linear slide units, acting like heavy-duty sealed ball bearing options - Sealed design and outer ring oil holes help maintain lubrication and reduce downtime for maintenance teams - Ideal where high-load steel bearings are preferred over ceramic options for cost-effective longevity