Retainerless precessing roller bearing

Details Retainerless precessing roller bearing Retainerless precessing roller bearing

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 23/08 (2006.01) F16C 19/38 (2006.01) F16C 33/36 (2006.01) F16C 33/52 (2006.01)

Patent

CA 2420474

A retainerless angular contact antifriction bearing apparatus including an inner race member (18) having a spheroidal inner race surface (20), an outer race member (22) including a pair of convex outer race surfaces (24) opposing the inner race surface, and a plurality of rollers (34) arranged in axially oppositely inclined rows. Each roller includes a concave longitudinal profile having a radius of curvature greater than the radius of curvature of each of the spheroidal inner race surface and the associated convex outer race surface. The radial internal clearance between the roller and the race surfaces is no more than 0.002 inches.

L'invention concerne un appareil à roulement anti-frottement à contact oblique sans arrêtoir, qui comprend un élément de bague intérieure (18) présentant une surface de bague intérieure sphéroïdale (20), un élément de bague extérieure (22) présentant deux surfaces de bague extérieure convexes (24) faisant face à la surface de bague intérieure, et plusieurs rouleaux (34) disposés en rangées inclinées dans une relation axiale opposée. Chaque rouleau présente un profil longitudinal concave dont le rayon de courbure est supérieur à celui de chaque surface de bague intérieure sphéroïdale et de la surface de bague extérieure convexe associée. L'espace radial intérieur entre le rouleau et les surfaces de bague est d'au plus 0,002 pouces.

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