... to another, and a line perpendicular to the bearing axis. 3. Angular contact ball bearings features: 1) Load capacities are higher than ... a=15 AC: Normal contact angle a=25 B: Normal contact angle a=40 7. Bearing Designation: double row angular contact ball bearing OPEN: 3200, 3201, ... , 5305, 3206, 5206, 3306, 5206, 3207, 5207, 3307, 5307, 3208, 5208, 3308, 5308, 3209, 5209, 3309, 5309, 3210, 5210, ...