A - Bearings with different internal design and standard.
A——Angle contact ball bearing with a contact angle of 30 degrees.
A5 - angular contact ball bearing, contact angle is 25 degrees.
B——Angle contact ball bearing with a contact angle of 40 degrees.
C——Angle contact ball bearing with a contact angle of 15 degrees.
C——Tapered roller bearing with a contact angle of 20 degrees.
D - Tapered roller bearing with a contact angle of 28 degrees.
C, CA (with brass solid cage), CD (with stamped cage) - high load spherical roller bearings.
E - High load cylindrical roller bearing.
H——High load thrust spherical roller bearing.
J——The small end diameter, angle and outer ring width of the outer ring raceway of tapered roller bearing are consistent with ISO regulations.
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