Single UCP316-51 Pillow Block 3-3/16 in (81 mm) ID, Heavy Duty Cast Iron Housing, Set-Screw Locking Sealed Ball Insert, Wide Inner Ring, 7/8 in (22.2 mm) Bolt, 1/8-27 Lube Port

Single UCP316-51 pillow block, 3-3/16 in (81 mm) ID
✔️ Sealed ball insert, set-screw locking, 7/8 in bolt, 1/8-27 lube

This is a single UCP316-51 pillow block with a sealed ball insert in a cast iron P316 housing. It fits a 3-3/16 in (81 mm) shaft bore and mounts with 7/8 in (22.2 mm) bolts, ideal for conveyors, fans, and industrial shafts.

✅ Model: UCP316-51, single pillow block insert
✅ I.D.: 3-3/16 in (81 mm)
✅ Housing: Cast iron P316, heavy duty style
✅ Insert: Sealed ball bearing, bearing steel construction
✅ Inner ring: Wide inner ring for added shaft support
✅ Locking: Set-screw locking on the insert
✅ Mounting bolt size: 7/8 in (22.2 mm)
✅ Lubrication: 1/8-27 lube port, relubricatable
✅ Seal: Contact seal with slinger for contamination control

💡 What is a pillow block bearing used for? Pillow block bearings support and locate rotating shafts on equipment where a simple shaft mount is handy. - Provides shaft support and alignment for conveyors, fans, pumps, and general industrial drives using a sealed ball bearing insert for contamination protection. - Enables scheduled relubrication via a 1/8-27 lube port to extend service life on heavy duty applications. - Not a precision linear slide unit, but often used instead of complex guides; options exist with ceramic elements for specific high-speed or corrosive needs.