UCF315-48 4-Bolt Flange Sealed Ball Bearing Unit, 3 in (76.2 mm) I.D., Cast Iron F315 Housing, Wide Inner Ring, Heavy Duty Set Screw Locking, Contact Seal with Slinger, Relube Port, Single Unit

Sealed 4-bolt flange ball bearing unit, 3 in I.D.
✔️ Cast iron F315 housing, set-screw lock, 1/8-27 NPT relube port

This is a single UCF315-48 sealed 4-bolt flange ball bearing unit with a 3 in (76.2 mm) inner diameter, cast iron F315 housing and wide inner ring. Ideal for conveyors, drives, agricultural equipment and linear slide unit installations.

✅ Model: UCF315-48
✅ Inner diameter: 3 in (76.2 mm), wide inner ring
✅ Bolt pattern: 4-bolt F315, bolt size 7/8 in (22.23 mm)
✅ Housing: Cast iron F315 style, heavy duty, no covers
✅ Insert: Ball bearing, bearing steel inner ring
✅ Locking: Set-screw locking type (heavy duty)
✅ Seal: Contact seal with slinger, sealed ball bearing design
✅ Lubrication: 1/8-27 NPT lubrication fitting tap, relubrication allowed
✅ Max temp: 212 F (100 C)
✅ Weight: 28 lb (12.70 kg), single bearing unit

💡 What is a 4-bolt flange sealed ball bearing unit used for? This handy housing supports rotating shafts in fixed mounting locations while keeping contaminants out and allowing relubrication. - Supports shafts in conveyors, industrial drives, agricultural gear, and linear slide unit applications. - Offers sealed ball bearing protection with contact seal and slinger to extend service life. - Heavy duty cast iron F315 housing and set-screw locking provide secure mounting for moderate-temperature, high-load jobs.