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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.
Basic bearing designation system


BMO-6204/048S2/UA008AwhereBMO- =
6204 =Test Designation 4
/048 =Test Designation 4
S2 =Test Designation 4
/U =
Test Designation 4
A =
Test Designation 4
008ATest Designation 4
Test Designation 1
Motor encoder unit BMB series
BMD-Motor encoder unit BMD series
Motor encoder unit BMO series

Test Designation 2
Basic designation
Listed in table 1

Test Designation 4
32 digital pulses per revolution
48 digital pulses per revolution
/06464 digital pulses per revolution
80 digital pulses per revolution
Two signals
Sales area worldwide
Bearing with a stamped steel cage, ball centred
Bearing with a glass fibre reinforced PA66 cage, ball centred
Free cable end
AMP Superseal™ connector (AMP Nos . 282106-1 and 282404-1)
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