Rolling bearing unit

Details Rolling bearing unit Rolling bearing unit

Filed on

1984-04-10

Date issued

1986-01-07

Examiner

Watkins, Donald

Patent Class

Bearings

SubClass

Rotary bearing

SubSubClass

Antifriction bearing

Other Related Categories

384489, 384515, 384519, 384537, 384903, F16C 902, F16C 2306

Type

Patent

Status

active

Patent number

045630992

Description

ABSTRACT:
A rolling bearing unit, in particular a play-adjustable bearing arrangement, comprising a bearing shaft, a housing having a bore, and angular contact ball bearings having outer rings arranged in the housing bore and inner rings arranged on the bearing shaft. The shaft is provided with three annular grooves, a threaded portion, and an axial groove along the threaded portion. A locking ring is arranged in the first annular groove, a first cover is arranged on the shaft and abuts the locking ring, and the inner ring of the first bearing abuts the cover. The adjustment of the bearing play is achieved by adjustably arranging a second cover on the threaded portion of the shaft to abut the inner ring of the other ball bearing. The securing of the second cover against rotation relative to the shaft is achieved by deforming or indenting the boss of the cover to engage the axial groove. The outer rings of the bearings are L-shaped and a pair of slotted rings are arranged in the second and third annular grooves of the shaft, between and near the flanges. The slotted rings prevent the balls of the bearings from falling out during shipment and before assembly in a housing.

REFERENCES:
patent: 878652 (1908-02-01), Matthews
patent: 3294141 (1966-12-01), Schotthoefer et al.
patent: 4089540 (1978-05-01), Liljequist
patent: 4364615 (1982-12-01), Euler

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