UCPEU318-56 3-1/2 in (88.9 mm) Heavy-Duty Pillow Block Ball Bearing, Cast Iron Housing, Wide Inner Ring, Set-Screw Locking, 1 in (25.4 mm) Bolt Size, Contact Seal, Relubricatable UC Style

Single heavy pillow block bearing, 3-1/2 in (88.9 mm)
✔️ Cast iron housing, wide inner ring, set-screw locking, relubricatable

This is a single UC-style pillow block ball bearing unit designed for industrial shaft support and mounting. Typically used on conveyors, fans, agricultural equipment, and light machinery where a sealed ball bearing and easy serviceability are needed.

✅ I.D.: 3-1/2 in (88.9 mm)
✅ Bolt size: 1 in (25.4 mm)
✅ Housing: Cast iron, pillow block style
✅ Insert: Wide inner ring ball bearing, bearing steel
✅ Locking: Set-screw type, contact seal with slinger
✅ Lubrication: 1/8-27 NPT grease fitting, relubricatable for maintenance
✅ Max temp rating: 212°F (100°C), general purpose bearing

💡 What is a pillow block bearing used for in heavy-duty industrial applications? A pillow block bearing supports and secures rotating shafts, providing mounted alignment and straightforward servicing. - Ideal for shaft mounting on conveyors, fans, mixers, and agricultural drives using sealed ball bearing designs. - Works with linear slide unit setups and power transmission systems where sealed ball bearing or ceramic options reduce downtime. - Offers easy relubrication, replaceable inserts, and set-screw locking for dependable heavy-duty performance.