Bearing unit for wheel drive

Details Bearing unit for wheel drive Bearing unit for wheel drive

2005-08-09

2005-08-09

Footland, Lenard A. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C384S540000

Reexamination Certificate

active

06926448

ABSTRACT:
An inner race5is retained by a crimped portion30, so that a pre-load is applied to rolling elements6. A bearing unit for wheel support1is connected to a constant velocity joint2through tightening of a nut24. By regulating the tightening force of the nut24, at the area of contact between the inside end of the crimped portion30and the outside end of the outer ring of the constant velocity joint14, the load per unit length is controlled up to 125 N/mm, or the surface pressure is controlled up to 1.5×108Pa. Consequently, a bearing unit for wheel support is realized at a low cost with the pre-load securely applied, preventing unpleasant noise from occurring during operation, and preventing play due to plastic deformation.

REFERENCES:
patent: 4241957 (1980-12-01), Peck
patent: 5209701 (1993-05-01), Ishikawa et al.
patent: 5226738 (1993-07-01), Valette et al.
patent: 6422758 (2002-07-01), Miyazaki et al.
patent: 0854303 (1998-07-01), None
patent: 0992698 (2000-04-01), None
patent: 1125765 (2001-08-01), None
patent: 2000110840 (2000-04-01), None

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