UCF207-21 single 1-5/16 in wide inner ring set-screw 4-bolt flange sealed ball bearing with cast iron F207 housing, contact seal & slinger, 1/8-27 NPT lubrication fitting, 1/2 in bolt size

Single wide 1-5/16 in set-screw 4-bolt flange bearing
✔️ UC207-21 ball insert, cast iron F207 housing, 1/8-27 NPT

This single UCF207-21 flange bearing assembly is a sealed ball bearing with a wide 1 5/16 in inner ring and set-screw locking insert. It fits a cast iron F207 4-bolt housing for mounted shaft support in conveyors, fans, agricultural gear, and other general-purpose equipment.

✅ Model: UCF207-21, Insert: UC207-21, ball bearing insert
✅ I.D.: 1 5/16 in, inner ring width: Wide
✅ Housing: Cast iron F207, 4-bolt flange, single bearing pack
✅ Locking: Set-screw type on inner ring for simple shaft fixing
✅ Bolt size: 1/2 in mounting holes for standard hardware
✅ Lubrication: 1/8-27 NPT lubrication fitting; relubrication supported
✅ Seal: Contact seal with slinger for added contamination protection
✅ Duty/Temp: Standard duty, rated to 212 F; weight ~2.92 lb

💡 What is a 4-bolt flange mounted sealed ball bearing used for? A 4-bolt flange sealed ball bearing supports and locates rotating shafts on mounted equipment while keeping lubricant in and contaminants out. - Ideal for mounted shaft support on conveyor systems, fans, pumps, and agricultural machinery using sealed ball bearing inserts. - Handy choice for linear slide units, driven rollers, and short shaft spans where a compact flange mount and set-screw inner ring are preferred. - Common swap for UC207-21 style inserts and F207 housings during maintenance and rebuilds.