UKFX11+H2311 50mm Medium Wide Adapter 4-Bolt Flange FX11 Cast Iron Housing, Concentric Lock, M16 Bolts, 1/8-27 NPT Grease Port, Sealed Ball Bearing Insert, Single Unit

50mm medium-wide adapter with sealed ball insert
✔️ Single unit, 4-bolt flange FX11, concentric lock, M16 bolts, 1/8-27 NPT

This single 50mm medium-wide adapter is a sealed ball bearing insert unit for mounting on industrial shafts, common in conveyors, gearboxes, motor drives, and linear slide units.

✅ Model UKX11+H2311 insert with H2311 adapter locking concentric
✅ I.D. 50 mm (1.969 in) for precision shaft fit
✅ Inner ring width: wide design for added bearing support
✅ Housing: cast iron, FX11 4-bolt flange style
✅ Locking: concentric adapter (H2311), easy installation
✅ Bolt size: M16, 4-bolt mounting pattern
✅ Lubrication: 1/8-27 NPT grease fitting, relubrication allowed
✅ Seal: contact seal with slinger, medium duty, up to 212°F
✅ Insert material: bearing steel, ball bearing type, sealed unit
✅ HTS code 8483.20.40.40; pack: single unit ready to install

💡 What is a 4-bolt flange adapter unit used for in industrial shaft mounting and linear slide systems? A 4-bolt flange adapter secures a sealed ball bearing insert into a cast-iron FX11 housing to support shafts with stable alignment and easy relubrication. It delivers solid mounting for medium-duty applications where contamination protection and serviceability matter. Short overview of practical uses: - Mounting bearings on conveyor shafts, motor drives, gearboxes, and pillow block replacements for reliable shaft support - Works with linear slide units and light axial loads; concentric H2311 locking makes installation straightforward - Sealed ball bearing inserts with contact seals and slingers resist dirt and extend grease intervals