This is a set of two 6902-2RS sealed caster stem bearings for the Jazzy 614 and 614 HD power chairs. These are not the "wheel bearings" that mate the wheel hub to the axle shaft. This size is used to hold the rear fork or caster stem to the caster's arm weldment.
Note: These bearings are only for the rear casters and are not used on the front.
Check your existing bearings for the series number, which is usually etched into the side of the bearings.
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