1. Single Row
They have three different contact angle classifications:
Contact Angle Symbol Contact Angle
A 30 degrees
B 40 degrees
C 15 degrees
AC 25 degrees
2. Double Row
They have two different contact angle classifications:
Contact Angle Symbol Contact Angle
None 20 degrees
A 30 degrees
3. Combination Type
Generally, Single Row Angular Contact Ball Bearings are used in combination of two or more units. Three different combinations are available:
Configuration Load Capacity
Back-to-back Bi-directional axial
Face-to-face Bi-directional axial
Tandem Uni-directional axial