Pulley ball bearing and pulley

Details Pulley ball bearing and pulley Pulley ball bearing and pulley

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 19/16 (2006.01) F16C 33/41 (2006.01) F16C 33/58 (2006.01) F16C 33/78 (2006.01) F16H 55/36 (2006.01)

Patent

CA 2364332

A ball bearing for a pulley that is a component of a wrapping connector transmission device installed to an engine for an automobile. In the bearing, the depths of ball grooves formed in the inner ring and the outer ring of the ball bearing are set so that the risk rate of the ball being stranded on the shoulder becomes approximately the same for the inner ring and the outer ring under pure thrust load. Furthermore, the depth of the ball groove of the outer ring is set shallower than the depth of the ball groove of the inner ring. The depth of the ball groove of the outer ring is set in a range of 12 - 19% of the diameter of the ball.

Roulement à billes pour une poulie qui fait partie d'un dispositif de transmission de connecteur d'emballage installé dans un moteur pour un véhicule automobile. Dans le roulement, les profondeurs des rainures de bille formées dans l'anneau interne et l'anneau externe du roulement à billes sont fixées de telle sote que le taux de risque d'une torsion de la bille sur l'épaule soit presque le même que pour l'anneau interne et l'anneau externe sous la poussée axiale pure. De plus, la rainure de bille de l'anneau externe est plus profonde que celle de l'anneau interne. La profondeur de la rainure de bille de l'anneau externe est fixée à une gamme de 12 - 19 % du diamètre de la bille.

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