Single 3-1/2 in Set Screw Pillow Block Bearing UCPX18-56 Medium Duty Shaft Support with Bearing Insert Set-Screw Locking Cast Housing Sealed Ball Bearing Option Replacement UC PX18 56

3-1/2 in Set Screw Pillow Block Bearing Single Unit
✔️ 3-1/2 in bore, set-screw locking, medium duty insert

This is a single medium duty set screw pillow block bearing (UCPX18-56) for supporting 3-1/2 in shafts in conveyors, drive lines and linear slide unit applications. Great for machinery and shop equipment where a sealed ball bearing insert or ceramic option may be preferred.

✅ Part number UCPX18-56, single bearing unit
✅ 3-1/2 in bore for 3-1/2 in shafts, set-screw locking
✅ Cast housing, medium duty support for drive shafts and rollers
✅ Ball bearing insert; sealed ball bearing option available
✅ Common replacement for UC PX18 56 and similar pillow block units

💡 What is a set screw pillow block bearing used for in industrial machinery? A set screw pillow block bearing supports and locates rotating shafts in equipment. Short answer and why it matters: - Provides shaft support and alignment for conveyors, gearboxes, and motor mounts - Works with sealed ball bearing inserts for longer life and lower maintenance - Fits linear slide unit setups and general machinery where shaft locking is handy - Easy to replace with common part numbers for quick repairs and downtime reduction