Designation system for seals

Examples and the applicable options for seals for SE housings are given below.
Basic bearing designation system

Example

TSN 512 L
whereTSN =
512 =
L =

Applicable options


Series
TSN
Seal for SE plummer block housings
FS
Felt strip
FSB
Felt strip for high operating temperature


Size identification
2(00)
Housing for bearings with a cylindrical bore,
diameter series 2
3(00)
Housing for bearings with a cylindrical bore,
diameter series 3
5(00)
Housing for bearings on an adapter sleeve,
diameter series 2
6(00)Housing for bearings on an adapter sleeve,
diameter series 3
..(00)
Size code of the bearing, (00) x 5 = bearing bore diameter [mm]
...For felt strips only, number indicating the length of the strip

Seal type
AV-ring seal
CFelt seal
CBFelt seal for high operating temperatures
LFour-lip seal
SLabyrinth seal
NBTaconite heavy-duty seal with axial labyrinth and
V-ring seal
NCTaconite heavy-duty seal with axial labyrinth
NDTaconite heavy-duty seal with radial labyrinth and
V-ring seal


Indication for an inch shaft
A, E
Seal for inch shaft
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