COMPLEX CAGELESS BEARING Russian patent published in 2010 - IPC F16C19/54 F16C33/34 

FIELD: machine building.

SUBSTANCE: complex cageless bearing consists of two sections of thrust cageless bearing and one section of radial cageless bearing. Two sections of the thrust bearing consist of two rows of conic rollers (6) contacting at contact angle of 120° and with rolling paths along three lines. Rollers (6) are made with step bearings at the top contacting high sideboards of external (1) and free (5) rings along axis of the roller, while from beneath the rollers have additional step bearings contacting support rings (7), each rigidly fixed in a groove of free ring (5). Vibration elements out of VK25 material of, for example spherical shape and different weight are freely arranged in apertures of rollers (6). Radial section of the bearing is made with rollers (2) and (3) of a two-step type. A bigger step of rollers (2) of an upper stage contacts only the rolling path of external ring (1) along line, while bigger steps of rollers (3) of a lower stage contact only the rolling path of internal ring (4). Internal ring (4) is installed on rollers of the radial section of the bearing with preload. Rollers (2) and (3) contact along three lines creating a single closed circular complete set of rollers of upper and lower stages, and also of two rows of conic rollers (6) in two sections of the thrust bearing.

EFFECT: facilitating high velocity of rotation, reverse operation, reduced noise, increased carrying capacity, increased service life and reliability of bearing operation, elimination of distortion and wedging of rollers, improved quality and increased reliability of production, reduced torque and friction ratio.

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