ROLLER BEARING Russian patent published in 2015 - IPC F16C19/44 F16C33/34 F16C33/66 

FIELD: machine building.

SUBSTANCE: invention relates to machine industry, in particular to bearings, and can be used in roller frictionless bearings. The roller bearing contains outer and inner rings with raceways (3) and cylindrical rollers (1). On surfaces of rollers (1) along their length concentric grease retaining groove (4) are provisioned, and the grooves (4) of adjacent rollers (1) are located chequerwise.

EFFECT: improvement of wear resistance and longevity of roller bearings with long rollers.

1 dwg