THRUST-JOURNAL ROLLER BEARING Russian patent published in 2015 - IPC F16C19/34 F16C33/58 F16C33/76 

FIELD: machine building.

SUBSTANCE: bearing contains top and bottom plastic casings creating along internal and external diameters the protective connections, with secured in them metal rings, between which the balls are located. The protective connection is made in form of low rigid bend of arc-like or V-like profile of one of casings, low rigid bend interfaces with cylindrical or cone low rigid counterpart of another casing with negative allowance equal to Δ = (0.1…0.2)+ε, where ε is mutual radial end play of the casings protective part.

EFFECT: exclusion of possibility of external contaminations and moisture ingress in the work cavity of the bearing, and prevention of lubricant leaks from the bearing.

1 dwg