PM
|
Special precision bearings for electric motors
|
P42
|
Precision grade JIS 4 for the dimensions and JIS 2 for runout
|
P63E
|
Precision P6 and air C3 / DIN standard electric motors
|
P6
|
Precision class JIS 6
|
P5
|
Precision class JIS 5
|
P4
|
Precision class JIS 4 / BAS 4 for tapered rollers
|
PK
|
Precision class K for tapered rollers, series J
|
PXn
|
Special precision with development index
|