推力头 meaning in English

collar
thrust bearing runner
thrust ring
thrust-bearing runner

Discuss of thrust top hole and shaft conjugation criterion
浅议推力头孔轴配合标准
In view of the problems in the design of the large andmedium - sized indoor substations built by guangzhou power bureau in recent years , points for attention in the design of indoor substations are expounded in terms of ventilation , cable channel , reservation of hangers and space for transportation and installation , ground wire , lighting for the whole substation , etc
仅仅推力头轴、孔存在间隙时,推力头其它零件制造质量与安装质量达到设计要求,是不会影响精确径向定位的.尔王庄泵站9机组出现的环键与平键断裂情况,可能不是由轴、孔间隙过大引起,而是其它尚未查明的原因