Internal design Suffixes
A
No filling slots
D
Two-piece inner ring
External design Suffixes
N
Snap ring groove in the outer ring
NR
Snap ring groove in the outer ring, with appropriate snap ring
CB
Controlled axial internal clearance
-2RS1
Contact seal, NBR, on both sides
-2Z
Shield on both sides
Cage design Suffixes
–
Stamped steel cage, ball centred
J1
Stamped steel cage, ball centred (bearing with a two-piece inner ring)
M
Machined brass cage, ball centred
MA
Machined brass cage, outer ring centred.
TN9
Glass fibre reinforced PA66 cage, ball centred
Materials, heat treatment Suffixes
N.a.
Accuracy, clearance, preload, quiet running Suffixes
P5
Dimensional and geometrical tolerances to class P5
P6
Dimensional and geometrical tolerances to class P6
P62
P6 + C2
P63
P6 + C3
P64
P6 + C4
C2
Axial internal clearance smaller than Normal
C3
Axial internal clearance greater than Normal
C4
Axial internal clearance greater than C3
Bearing sets, matched bearings Suffixes
N.a.
Stabilization Suffixes
N.a.
Suffixes - Lubrication
GE2
GWF
MT33
VT113
WT
Grease suffixes
Suffixes - Other variants (n. a.)
