Piloted 4-Bolt Flange Bearing UCFS308 40mm I.D., Heavy Duty Cast Iron Housing, Set-Screw Locking, Wide Inner Ring Ball Insert, M16 Bolt Size, 1/8-27 NPT Lubrication, Single Unit

Single UCFS308 piloted 4-bolt flange bearing, 40mm I.D.
✔️ Heavy-duty cast iron housing, set-screw locking, M16 bolts, 1/8-27 NPT

This single piloted flange bearing unit houses a sealed ball insert for general purpose machinery and accurate shaft locating. Commonly mounted on conveyors, gearboxes, and motor assemblies.

✅ 40mm I.D. ball bearing insert, wide inner ring
✅ Cast iron piloted FS308 flange housing, heavy duty
✅ Set-screw locking on inner ring, M16 bolt pattern
✅ Contact seal with slinger for improved contamination control
✅ Lubrication fitting 1/8-27 NPT, relubrication ready
✅ Bearing steel ball insert, rated to 212°F, HTS 8483.20.40.40

💡 What is a piloted flange bearing used for? Piloted flange bearings are handy mounting units that locate and support rotating shafts while making installation repeatable and secure. A quick intro sentence: These bearings simplify shaft alignment and save installation time. - Provide fixed shaft location for motors, conveyors, and gearboxes, often using a sealed ball bearing insert for longer service life. - Work well where compact mounting is needed or when a linear slide unit is part of the machine layout. - Allow easy relubrication through a 1/8-27 NPT fitting and offer options like ceramic or stainless inserts for specific needs.