This is a set of two 638-2RS (638RS) bearings, used primarily on power chair caster wheels. Could be used on mobility scooters and scooter anti-tip wheels as well.
How do you know if these are the correct bearings for your power chair caster wheel? Simply read the size off the size of the bearings, and/or check the Specifications tab to verify sizes.
Known compatibility is listed in the Compatibility tab, but compatible with many models of Jazzy, Quantum, and Pride TSS (The Scooter Store) branded power chairs.
⚠ WARNING California Residents:
Proposition 65 Warning