基本参数型号QJ236系列四点角接触球轴承外形尺寸d180D320B52r小倒角4额定载荷Cr额定动载荷440000C0r额定静载荷1270000Cr额定动载荷45000C0r额定静载荷130000极限转速Grease脂润滑1500Oil油润滑2000轴承代号QJ236安装尺寸a0175.1da198Da302ra3Mass重量（kg）approx参考20.5)