Part Number 33SRGWU

Cast aluminum hubs, accurately machined
Rolling Surface: 7/16″
Diameter: 3 1/4″
Bore: 5/8″

Rolling Surface:
Long-life, high cushion, oil resistant urethane compound, concentrically ground to .002″ total indicator run-out

Bearings:
Two precision ball bearings per wheel, fully sealed.
Note: Bearings are recessed on both sides.