Patent ID: 9599165
Date: 2017-03-21
CPC Classifications: F16C,H02K

Claim:
1. A fastening device for a rolling bearing, comprising a bearing mounting portion receiving the rolling bearing, and a retainer ring retained between an inner circumferential surface of the mounting portion and a surface of an outer ring of the rolling bearing, the rolling bearing being fastened to the bearing mounting portion by the retainer ring; wherein the retainer ring has a resilience in a radial direction of the rolling bearing; and wherein the retainer ring comprises a first abutting portion and a second abutting portion extending in parallel along a radial direction of the rolling bearing, an inner annular portion interconnecting the first abutting portion and the second abutting portion, and an outer annular portion connected to an edge of the second abutting portion; the first abutting portion abuts against an end face of the outer ring of the rolling bearing, the inner annular portion abuts against at least a portion of an outer circumferential surface of the outer ring of the rolling bearing, and the inner annular portion is inclined and has a radial size gradually increasing from the first abutting portion towards the second abutting portion.