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型號 | 主要尺寸(mm ) | 額定負荷(kN) | 允許轉速(rpm) | 重量(kg) | ||||||
d | D | B | rs min | Cr | Cor | 脂潤滑 | 油潤滑 | (參考) | ||
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71904 | 20 | 37 | 9 | - | 7.4 | 5.8 | 40000 | 60000 | 0.04 |