轴承型号 Basic Bearing No. | 孔径 Bore d mm inch | 外径 Outerdiameter D mm inch | 宽度 Width W mm inch | 倒角 Radius R min mm inch | 额定负荷 Basic Load Rating KN | 钢球参数 Ball Complement | 极限转数 Max Runout speed | 重量 Weight kg | |||
Dynamic C | Static Co | No | Size mm | Grease r/min | Oil r/min | ||||||
6904 | 20 .7874 | 37 1.4567 | 9 .3543 | 0.5 .020 | 6.55 | 3.6 | 11 | 4.763 | 17000 | 22000 | 0.038 |