推力角接触球轴承:双向推力角接触球轴承,是作为机床主轴用而特别设计的高精度轴承,可以承受两个方向的轴向负荷.这种轴承的变型品种很多，应用很广，常制成带15°、25°和40°接触角三种系列，接触角愈大，其轴向负荷能力愈高，但在高速时宜采用小接触角为宜。举列型号：25BNR19S25BNR19H25BNR19X25BER19S25BER19H25BER19X30BNR19S30BNR19H30BNR19X30BER19S30BER19H30BER19X55BNR19S55BNR19H55BNR19X55BER19S55BER19H55BER19X60BNR19S60BNR19H60BNR19X60BER19S60BER19H60BER19X35BNR19S35BNR19H35BNR19X35BER19S35BER19H35BER19X40BNR19S65BNR19S65BNR19H65BNR19X65BER19S65BER19H65BER19X40BNR19H40BNR19X40BER19S40BER19H40BER19X45BNR19S45BNR19H45BNR19X45BER19S45BER19H45BER19X50BNR19S50BNR19H50BNR19X50BER19S50BER19H50BER19X70BNR19S70BNR19H70BNR19X30BNR10S30BNR10H30BNR10X30BER10S30BER10H30BER10X35BNR10S55BNR10S55BNR10H55BNR10X55BER10S55BER10H55BER10X60BNR10S35BNR10H35BNR10X35BER10S35BER10H35BER10X40BNR10S40BNR10H40BNR10X40BER10S40BER10H40BER10X45BNR10S45BNR10H45BNR10X45BER10S45BER10H45BER10X50BNR10S50BNR10H50BNR10X50BER10S50BER10H50BER10X60BNR10H60BNR10X60BER10S60BER10H60BER10X65BNR10S65BNR10H65BNR10X65BER10S65BER10H65BER10X70BNR10S70BNR10H70BNR10X70BER10S70BER10H70BER10X75BNR10S75BNR10H75BNR10X75BER10S75BER10H75BER10X80BNR10S80BNR10H80BNR10X80BER10S80BER10H80BER10X70BER19S70BER19H70BER19X75BNR19S75BNR19H75BNR19X75BER19S75BER19H75BER19X80BNR19S80BNR19H80BNR19X80BER19S80BER19H80BER19X85BNR19S85BNR19H85BNR19X110BNR19S110BNR19H90BER19H90BER19X120120BER19X95BNR19H95BNR19X95BER19S95BER19H95BER19130BNR19H130BER19S130BER19H140BNR19S140BNR19H100BNR19S100BNR19H100BNR19X140BER19S140BER19H150BNR19S100BER19S100BER19H100BER19X150BNR19H150BER19S150BER19H105BNR19S105BNR19H105BNR19X105BER19S105BER19H105BER19X85BNR10S85BNR10H85BNR10X95BNR10H95BNR10X95BER10S95BER10H95BER10X130BNR10H130BER10S130BER10H140BNR10S140BNR10H100BNR10S100BNR10H100BNR10X