DOUBLE-ROW BALL BEARING Russian patent published in 2013 - IPC F16C19/18 F16C23/08 F16C33/60 

FIELD: machine building.

SUBSTANCE: double-row ball bearing includes outer race (1), inner split race (2), two rows of rolling bodies in the form of balls (3) and ball separation separator (3). Outer race (1) is provided with two raceways of toroid-shaped section. Inner race (2) has a shaped raceway on each of its halves. Balls (3) has the shape adjacent to surfaces of raceways of outer race (1). Halves of inner race (2) are installed so that they can be mutually offset. Raceways on halves of inner race (2) have conical shape or curved shape with curvature radius on halves of inner race (2), which is larger than radius of ball (3).

EFFECT: increasing bearing operating period.

2 dwg