| 摘要 |
There is provided a conveyor wheel comprising a male hub, a female hub mateably engaging the male hub, an outer wheel hub having an outer circumference for supporting an object, and a plurality of ball bearings supporting the outer wheel hub with respect to the mateably engaged male and female hubs. The outer wheel hub includes at least one rib of substantially triangular cross-section in the outer circumference. A wheel or roller conveyor including a plurality of the conveyor wheels is also disclosed.
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