spherical roller bearing (bearing)

1) Spherical function, two rows of spherical rollers, a common
groove on outer ring, two grooves on inner ring that tilts in an
angle to the bearing center.
2) Works when the axle distorted orassembled.
3) Bearing size can changed, thespherical range: 1?- 2. 5?
4) Can bear bigger load, not only theradical load but also two
directionradical load with better anti-shock abilities.
5) Main types: 21300 series, 22200 series, 22300 series, 22300
series.