1-1/4 in (31.75 mm) Heavy Duty Wide Set-Screw Insert, Single UC307-20 Style with Locking Screw for Shaft, Industrial Sealed Ball Bearing Compatible for Linear Slide Unit, Pillow Block Fit

Single 1-1/4 in (31.75 mm) heavy-duty set-screw insert
✔️ Bore 1-1/4 in (31.75 mm), locking screw, wide inner ring

This is a single heavy-duty wide set-screw insert bearing (UC307-20 style) used to lock onto shafts in industrial and agricultural equipment. Common in pillow block housings, linear slide units, and sealed ball bearing applications for reliable shaft support.

✅ Bore: 1-1/4 in (31.75 mm) wide bore insert
✅ Locking method: set-screw style for direct shaft clamp
✅ Compatibility: fits UC307-20 style housings and pillow blocks
✅ Bearing type: insert for sealed ball bearing arrangements
✅ Pack: single unit for replacement or repair jobs

💡 What is a set-screw insert bearing used for in industrial shaft assemblies?

Set-screw insert bearings are a handy way to secure rotating shafts inside housings while keeping costs and space down. - Provides shaft locking with a set-screw for straightforward installation and adjustment - Works well with sealed ball bearing setups, pillow block housings, and linear slide unit mounts - Ideal for maintenance, quick swaps, and applications needing reliable axial holding and easy serviceability