UCPU311-35 Single 2-3/16 in Heavy Duty Set Screw Pillow Block Bearing with Cast Iron Housing, Sealed Ball Insert, Wide Inner Ring, 3/4 in Bolt, 1/8-27 NPT Grease Fitting

Single UCPU311-35 2-3/16 in pillow block, cast iron
✔️ Sealed ball insert; 2-3/16 in I.D.; 3/4 in bolt; 1/8-27 NPT

This is a single heavy-duty set screw pillow block bearing with a cast iron housing and sealed ball insert, commonly used to support shafts in conveyors, agricultural equipment, and industrial drives.

✅ Model: UCPU311-35 sealed ball bearing insert
✅ Inner diameter: 2 3/16 in (2-3/16 in I.D.)
✅ Inner ring: wide inner ring for extra axial support
✅ Locking: set screw type for secure shaft hold
✅ Bolt size: 3/4 in mounting bolt holes
✅ Lubrication: 1/8-27 NPT grease fitting for relubrication
✅ Seal: contact seal with slinger to keep contaminants out
✅ Housing: cast iron, heavy duty service up to 212 F
✅ Good for sealed ball bearing applications and linear slide unit setups; ceramic-compatible options exist

💡 What is a pillow block bearing used for in conveyor and shaft support applications? Pillow block bearings support rotating shafts and keep alignment in conveyor lines and rotating equipment, helping reduce wear and vibration. Quick summary: - Provides mounted shaft support and alignment for conveyors, fans, and industrial rollers - Offers sealed ball bearing protection for dusty or wet environments and relubrication via grease fitting - Easy bolt-on installation with 3/4 in mounting and set screw locking for secure operation