Single heavy-duty pillow block bearing UCSAO315-48 set screw locking 3 in I.D. ball insert wide inner ring cast iron SAO315 housing 7/8 in bolt size contact seal relubricatable

Single UCSAO315-48 heavy pillow block bearing 3 in I.D.
✔️ Cast iron SAO315 housing, set-screw locking, contact seal, relube port

This is a single sealed ball bearing pillow block for general shaft support in conveyors, pumps, fans and industrial machinery; relubricatable for extended service life.

✅ Model: UCSAO315-48, pillow block application
✅ Inner diameter: 3 in (3 inches) I.D., wide inner ring
✅ Housing: cast iron SAO315, heavy-duty duty rating
✅ Insert type/material: ball bearing, bearing steel insert
✅ Locking: set screw type; bolt size 7/8 in
✅ Seal & relube: contact seal with slinger, lubrication tap 1/8-27 NPT, relubricatable
✅ Temperature/duty: up to 212 F, heavy expansion not included

💡 What is a pillow block bearing used for and why pick a sealed ball bearing unit?

The answer: A pillow block bearing supports and locates a rotating shaft in many kinds of machinery. Short intro: handy for mounted shaft support where a sealed ball bearing reduces maintenance.

- Provides shaft alignment and support for conveyors, fans, pumps, and industrial drives
- Sealed ball bearing design keeps contaminants out and allows relubrication for longer life
- Cast iron housing and wide inner ring handle heavy radial loads and system vibration