Description
Pride Quantum Power Wheelchair Caster Bearings, EA
638-2RS (638RS) bearing,for use on power chair caster wheels. This bearing is commonly used on Quantum Power Wheelchair casters as well as other Pride Power Mobility Products. This is an item that should be regularly serviced on your power wheelchair. What makes this bearing unique and sometimes difficult to find is the fact that the inner race protrudes from the body of the bearing. Measuring the width of the bearing it is 9 mm but when you measure the width of the inner race of the bearing it measures 11 mm. Using this bearing eliminates the need for special washers and spacers.
A common complaint is people have is that their wheelchair pulling to one side and not going straight. These caster bearings should be cleaned out at regular intervals as hair and debris accumulate and cause drag on the caster wheels causing a loss of performance and can drain batteries prematurely. Price is each
Diameter (Outer): 28 mm
Diameter (Inner Bore): 8 mm
Bearing Width: 9 mm
Inner race sticks up: 11mm (total width including inner race)
Jazzy 600