UCF209-27 4-Bolt Flange Ball Bearing Unit 1-11/16 in I.D. Wide Inner Ring Cast Iron F209 Housing Set-Screw Lock, 9/16 in Bolt Size, Contact Seal, Relubrication

UCF209-27 single 4-bolt flange ball bearing unit, wide I.D.
✔️ 1-11/16 in I.D., wide inner ring, 4-bolt cast iron F209

This single flange unit is a sealed ball bearing insert with set-screw locking in a cast iron F209 housing, built for general-purpose machinery, conveyors, and OEM replacements.

✅ Model: UC209-27 ball bearing insert, bearing steel material
✅ I.D.: 1-11/16 in; inner ring width: wide; locking: set-screw
✅ Housing: cast iron F209, 4-bolt flange; bolt size: 9/16 in
✅ Seal: contact seal with slinger; lubrication: 1/8-27 NPT relube tap; relubrication allowed
✅ Temp rating: up to 212 F; duty: standard; HTS: 8483.20.40.40

💡 What is a flange bearing unit used for in machinery and linear slide units? Flange bearing units stabilize and align rotating shafts in compact mounts and are handy for applications that need a sealed ball bearing or easy service access. Here’s a quick overview: - Provide reliable shaft support and alignment for motors, conveyors, pumps, and linear slide unit assemblies - Protect bearings with contact seals and allow maintenance via a 1/8-27 NPT relubrication port - Enable fast installation and secure holding with a set-screw lock for 1-11/16 in shafts