Retainer for needle roller bearing

Details Retainer for needle roller bearing Retainer for needle roller bearing

1996-05-03

1997-07-15

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

384575, F16C 3346

Patent

active

056476744

ABSTRACT:
A retainer for a needle roller bearing which can prevent a film of lubricating oil from being broken due to its needle roller retaining claws and thus prevent peeling of the needle rollers. Outer-diameter claws and inner-diameter claws are provided on roller guiding surfaces on both sides of each crossbar portion of the retainer to retain the needle rollers in pockets defined between the adjacent crossbars. In the case of an outer-diameter guide type retainer, the outer-diameter claws are provided at a stepped portion formed on the outer-diameter surface of each crossbar. In the case of an inner-diameter guide type retainer, the inner-diameter claws are provided at a stepped portion formed on the inner-diameter surface of each crossbar.

REFERENCES:
patent: 3307892 (1967-03-01), Eckstein
patent: 3582165 (1971-06-01), Koch
patent: 3586406 (1971-06-01), Barr
patent: 4797015 (1989-01-01), Hidano et al.
patent: 5172986 (1992-12-01), Yokota

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