Service Caster 1/2 inch inside diameter by 3/4 inch outside diameter steel flanged top hat spanner bushing for caster wheels with a 2-3/16 inch hub length.
Top hat spanner bushings are designed to convert larger sealed precision ball bearings to a smaller axle diameter. Commonly used with counter bored sealed precision ball bearings, they provide proper spacing, alignment, and secure fit within the wheel assembly.
The flanged top hat design helps center the bearing and allows tightening against the bushing instead of the bearing, ensuring smooth wheel rotation and reduced wear.