Angular Contact Ball Bearings

An angular contact ball bearing uses axially asymmetric races. An axial load passes in a straight line through the bearing, whereas a radial load takes an oblique path that tends to want to separate the races axially. So the angle of contact on the inner race is the same as that on the outer race. Angular contact bearings better support "combined loads" (loading in both the radial and axial directions) and the contact angle of the bearing should be matched to the relative proportions of each. The larger the contact angle (typically in the range 10 to 45 degrees), the higher the axial load supported, but the lower the radial load. In high speed applications, such as turbines, jet engines, and dentistry equipment, the centrifugal forces generated by the balls changes the contact angle at the inner and outer race

Product Range

7203 – 7218, 7304 – 7315, 3204 – 3215, 3304 – 3320, 4204 – 4211, 4304 – 4311, 5203 – 5211, 5304 - 5311 (Also available in Z, ZZ and 2RS)
Angular Contact ball Bearings can be manufactured in brass and polymide cage also.

Bearings for universal matching (suffix BG) are available in single row angular contact ball bearings. The bearings in the 72..BG and 73..BG can be assembled in pairs to form a single pillow block. They are supplied individually and can be matched in X, O or Tandem arrangement.

Four Point Contact Ball Bearings
Four-point contact ball bearings are radial single row angular contact ball bearings with raceways that are designed to support axial loads acting in both directions. For a given axial load, a limited radial load can be supported. These bearings take up considerably less axial space than double row bearings.

The inner ring is split. This enables a large number of balls to be incorporated in the bearing, giving the bearing its high load carrying capacity. The bearings are separable, i.e. the outer ring with ball and cage assembly can be mounted separately from the two inner ring halves.
Product Range -  QJ 202 – QJ 240, QJ 303 – QJ 338
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