[title]

BK series


内径∶φ 10~φ 40

滚珠丝杆支撑座是支撑连接丝杆和电机的轴承支撑座。支撑座一般分为:固定侧(BKEKFK)和支撑侧(BFEFFF)。固定侧支撑单元装有经予压调整的P5级的角接触轴承,根据不同的使用情况,可选用P4级的角接触轴承,并有专为精密滚珠丝杠所开发的接触角 60 ゜的角接触轴承,这能够提供高刚性、高精度的稳定旋转性能。支撑侧支撑单元装有高精度日本制深沟球轴承,轴承与支撑座之间施加一定的予压,这能够提供高刚性、高精度的稳定旋转性能。支撑单元的内部轴承中封入了适量的锂皂基润滑脂,用特殊密封垫圈进行密封, 所以能够长期使用。

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