Conical roller bearing for supporting a pinion shaft of differen

Details Conical roller bearing for supporting a pinion shaft of differen Conical roller bearing for supporting a pinion shaft of differen

1996-07-24

1998-01-27

Ta, Khoi Q.

Planetary gear transmission systems or components

Differential planetary gearing

Bevel gear differential

74424, 475253, 384571, F16H 4806, F16C 1922

Patent

active

057117381

ABSTRACT:
In a conical roller bearing for supporting a pinion shaft of a differential gear, the contact angle .alpha. of a conical roller bearing for supporting the pinion shaft is controlled between 22.degree. and 28.degree.; the ratio of the diameter Da of the conical roller at the larger-diameter end face to its length L is controlled between 0.51 and 1.0; and the roller number coefficient k is controlled to range from 1.16 to 1.32. The conical roller bearing constructed thus contributes to better fuel economy on automobiles by fully ensuring the necessary levels of fatigue strength and bearing rigidity and yet reducing the dynamic torque it develops.

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patent: 5271679 (1993-12-01), Yamazumi et al.
patent: 5501636 (1996-03-01), Janke et al.

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