d50 mm内径D80 mm外径B23 mm宽度Cr63,000 N基本额定动载荷, 径向C0r73,000 N基本额定静载荷,径向Cur11,300 N疲劳极限载荷, 径向nG Grease13,500 1/min脂润滑极限转速nG Oil15,900 1/min油润滑极限转速≈m0.389 kg重量安装尺寸da58.5 mmdiameter shaft shoulderh12diameter shaft shoulder toleranceDa74.2 mmdiameter of housing shoulderH12diameter of housing shoulder tolerancera1 max1 mm最大凹穴半径尺寸r1 min1 mmMinimum chamfer dimensionE72.5 mm外圈滚道直径s1.7 mm轴向位移温度范围Tmin-30 °C最低工作温度Tmax120 °C最高工作温度