Designation system
The designations of most SKF rolling bearings follow a system that may consist of a basic designation with or without one or more prefixes and/or suffixes (→ Basic bearing designation system).
An example and the applicable options for sensor bearing units are given below.

Example
BMO-6204/048S2/UA008A | where | BMO- = | ![]() |
6204 = | ![]() |
||
/048 = | ![]() |
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S2 = | ![]() |
||
/U =
| ![]() |
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A =
| ![]() |
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008A | ![]() |
![]() | Prefixes |
BMB-
| Motor encoder unit BMB series
|
BMD- | Motor encoder unit BMD series |
BMO-
| Motor encoder unit BMO series
|
![]() | Basic designation |
Listed in table 1
|
![]() | Suffixes
|
/032
| 32 digital pulses per revolution
|
/048
| 48 digital pulses per revolution
|
/064 | 64 digital pulses per revolution
|
/080
| 80 digital pulses per revolution
|
S2
| Two signals
|
/U
| Sales area worldwide |
A
| Bearing with a stamped steel cage, ball centred
|
B
| Bearing with a glass fibre reinforced PA66 cage, ball centred
|
008A
| Free cable end
|
108A
| AMP Superseal™ connector (AMP Nos . 282106-1 and 282404-1)
|