公开(公告)号：US10436250B2

公开(公告)日：2019-10-08

申请号：US15579929

申请日：2016-06-03

Applicant: NTN CORPORATION

Inventor： Masato Shimoda ,  Yuusuke Doi

IPC: F16C33/38 ,  F16C19/10 ,  F16C33/44

Abstract: To provide a retainer for a thrust bearing, which is to be assembled and decomposed regularly for being washed, having superior ball retaining performance itself and being attached and detached easily, and a thrust bearing having the retainer. A retainer for a thrust bearing 1, which retains a plurality balls intervened between a pair of raceway rings in a thrust bearing, is formed of a ring shaped plate member 2 formed of an injection molded body of a resin composition containing fluororesin, which is capable of injection molding, as a base resin. The ring shaped plate member 2 includes a plurality of ball pockets 3 in a circumferential direction of a ring shape. Each of the ball pockets 3 includes a claw portion divided into two portions 3a or more to retain a ball 5 in a detachable manner. The claw portion 3a is defined by a slit 4 formed on at least one surface 2a among facing surfaces of the ring shaped plate member 2 facing raceway rings, the slit 4 being formed around an opening 3d of the ball pocket 3.