Thrust needle roller bearing, Series AXK, AXW, AX, TC, NTB.
The thrust needle roller bearing is such a manner that the needles with cage are set up in the space between rollway and collar and the cage reliably guides and clamps a lot of rolling bidies. There is a little difference amonge the rolling bodies in the same set, The thrust needle roller bearing is the one only supporting the axial load in one direction. It is used as the bearing allocation having the good rigidity and axial small space.

Thrust collar, Series AS, LS, GS, WS, ZS, TRA, TRB, TRC, TRD.
Series AS thrust collar is punched with the high quality steel spring plate in thickness of 1mm and quenched and polished. When the surface of the adjacent parts can not be acted as rollway, althougt it has a good rigidity, Series AS collar shall play its full action.