1-1/4 in Narrow Set-Screw 3-Bolt Flange Single-Row Ball Bearing, Polymer Housing Black, Contact Seal, Relubricatable Bearing Steel Insert, Standard Duty, Single Bearing

1-1/4 in Narrow Single Bearing, Set-Screw Ball Bearing
✔️ 1-1/4 in I.D., 3-bolt flange, polymer housing, contact seal

This single bearing unit is a narrow, standard-duty single-row ball bearing with a polymer housing and set-screw locking. It’s typically used on shafts in light machinery, conveyors, and linear slide units where a sealed ball bearing that accepts relubrication is handy.

✅ I.D.: 1-1/4 in (insert type: single-row ball bearing)
✅ Insert material: bearing steel; relubricatable design
✅ Housing: polymer, black; covers: 1 open and 1 closed with back seal
✅ Seal: contact seal; locking: set screw; mounting: 3-bolt flange bracket
✅ Duty: standard; max temp rating: 212 F; HTS code 8483.20.40.40

💡 What is a 3-bolt flange sealed ball bearing used for in conveyors and linear slide units? Sealed 3-bolt flange bearings are handy for mounting and supporting rotating shafts while keeping contamination out. - They give stable 3-bolt flange bracket mounting for shaft alignment and easy replacement. - Contact seal keeps grease in and dirt out; relubricatable ports extend service life. - Polymer housing and set-screw locking simplify installation on conveyors, linear slide units, and light machinery.