Specifying your wheel
All wheels on this website are measured and charted based on the following criteria:
More information on wheel specification and sizing. If you don't see the exact wheel you need, contact us. Our caster specialists will help you get it right.
Straight roller bearings
These urethane on poly wheels feature straight roller bearings, which consist of a cage-type roller assembly and a split outer race. These bearings turn on hardened and ground spanner bushings which provide a long wearing precision inner race. Press fit combination metal retainer/thrust washers hold the bearings in place. Straight roller bearings have a high radial capacity, but minimal side thrusting load rating.