
轮径 Wheel Diameter (inches) | 轮宽 Wheel Width (inches) | 载重 Load Capacity (lbs) | 轴承类型 Bearing type | 轴宽 hub length (inches) | 轴径 plain bore size (inches) | 轮子代号 wheel # | 3 | 1 1/4 | 180 | 球轴承 Ball brearing | 1 11/16 | 1 3/16 | PPR314WB | 4 | 1 1/4 | 250 | 球轴承 Ball brearing | 1 11/16 | 1 3/16 | PPR414WB | 2 | 350 | 滚针轴承 Roller bearing | 2 3/16 | 1 3/16 | PPR420W | 5 | 1 1/4 | 300 | 球轴承 Ball brearing | 1 11/16 | 1 3/16 | PPR514WB | 2 | 450 | 滚针轴承 Roller bearing | 2 3/16 | 1 3/16 | PPR520W | 6 | 2 | 550 | 滚针轴承 Roller bearing | 2 3/16 | 1 3/16 | PPR620W | 8 | 2 | 700 | 滚针轴承 Roller bearing | 2 3/16 | 1 3/16 | PPR820W |
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