3-3/16 in 4-bolt piloted pillow block bearing, heavy set-screw single unit, UCFS-style mounted sealed ball bearing insert for shaft support, linear slide unit and industrial machinery

Single 3-3/16 in piloted pillow block bearing
✔️ 3-3/16 in bore, 4-bolt piloted, heavy set-screw, sealed ball insert

This single piloted pillow block bearing holds a sealed ball bearing insert for reliable shaft support in conveyors, drive systems, and linear slide unit applications.

✅ Bore: 3-3/16 in, fits standard shafts, single unit pack
✅ Mounting: 4-bolt piloted flange for precise alignment
✅ Locking: heavy-duty set-screw insert for secure shaft hold
✅ Bearing: sealed ball bearing insert, ready for low-maintenance use
✅ Use: ideal for shaft support, conveyors, drive trains, and linear slide unit installs

💡 What is a pillow block bearing used for in industrial shaft support applications? Pillow block bearings provide mounted support to rotating shafts, improving alignment and reducing friction. They are handy when you need a ready-to-install sealed ball bearing insert for drives or slides. - Supports radial loads and maintains shaft alignment for conveyors, gearboxes, and machinery - Works with sealed ball bearing inserts for low maintenance and dust protection - Fits piloted 4-bolt flanges and pairs well with linear slide unit setups and shaft support systems