SELF-ALIGNING ANTIFRICTION BEARING AND ITS CAGE Russian patent published in 2008 - IPC F16C19/49 F16C23/08 F16C33/14 

FIELD: mechanical engineering; self-aligning bearings.

SUBSTANCE: invention relates to self-aligning antifriction bearing with at least one first row of solids of revolution and second row of solids of revolution adjacent to first row. Proposed self-aligning bearing has at least one first row of solids of revolution and second row solids of revolution adjacent to first row. Each row contains balls and rollers arranged over circumference around middle axis of antifriction bearing. Balls have minimum outer diameter which exceeds maximum outer diameter of rollers. Antifriction bearing has imaginary first plane of contact of balls in each row concentric to middle axis and passing through balls and imaginary second plane of contact of rollers in each row concentric to middle axis and crossing rollers over maximum outer diameter. First plane of contact of solids of revolution in each row is located at a distance from second plane of contact of solids of revolution along middle axis of bearing. Cage is proposed at least for one row of above-indicated self-aligning antifriction bearing whose sockets for balls have side hole, each hole is made on side of cage pointed from other row, and size of hole free in tangential direction is smaller than outer diameter of balls.

EFFECT: reduced friction owing to lower working temperatures, reduced wear in cage sockets and simplified manufacture of cage.

13 cl, 11 dwg