Common bearing Code representations2018-10-05 15:26:42

Prefix (placed at the front of the bearing code, separated by the "-" number):

L, inner ring or outer ring can be disassembled or separable (not commonly used)

Suffix:

In-house Design:

A, B, C, D, E, (indicating improvements in internal design, e.g. E for reinforced ball and Cage)

External design Aspects:

CA, Independent guide ring, inner ring Support flange

Cb

CC, improved internal design (vs. ca, CB)

K, Bore with taper

RS, Single side Friction seal (for needle roller bearings only)

2RS, double-sided Friction seal (for needle roller bearings only)

RS1, single-sided Friction Seal

2RS1, two-sided Friction Seal

Z, one side with dust cover

2Z, double side with dust cover

Cage Aspect:

J, Metal cage (common, General Omitted)

M, stamped brass cage

P, Plastic Cage

Accuracy Aspects:

P4, p4a, P5, P6

Internal Clearance Aspects:

C1, C2, C3, C4, C5 (gap gradually increases, normal values between C2 and C3)

Grease Aspects:

HT, LHT, LT, MT (for self-lubricating bearings, indicating the temperature range for the grease within the Bearing)