Single 50mm Sealed Ball Bearing 4-Bolt Flange Adapter with Wide Inner Ring Concentric Lock for UK211+H2311 Insert F211 Cast Iron Housing M16 Bolts Contact Seal 1/8-27 NPT

Single 50mm sealed ball bearing 4-bolt flange adapter
✔️ Wide inner ring, concentric lock, F211 cast iron housing

This is a single 4-bolt flange bearing adapter that accepts a UK211+H2311 sealed ball bearing insert. It’s commonly used for shaft support on conveyors, gearboxes, and linear slide unit assemblies.

✅ Model UKF211+H2311 single unit, 50mm I.D., wide inner ring
✅ Ball bearing steel insert, concentric locking adapter, relube port 1/8-27 NPT
✅ Cast iron F211 housing, 4-bolt flange pattern, M16 bolt size
✅ Contact seal with slinger for contamination control, sealed ball bearing design
✅ Standard duty rating, relubrication allowed, high temp limit 212°F
✅ Ideal for pillow block replacement, shaft alignment, and linear slide unit installs

💡 What is a 4-bolt flange bearing adapter used for in industrial conveyor and machine shaft support? A 4-bolt flange bearing adapter provides a compact, secure flange mount that holds a sealed ball bearing insert and simplifies maintenance. This is a handy choice for common industrial shaft support needs: - Provides rigid flange mounting for accurate shaft alignment and pillow block bearing replacement - Uses sealed ball bearing inserts for contamination resistance with relubrication via 1/8-27 NPT - Matches F211 cast iron housings and concentric adapter locks for conveyor, gearbox, and linear slide unit applications