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FEY Labyrinth Sealing Rings

Protect components in dirty and abrasive environments up to 700oC

fk3 Single wound labyrinth sealing rings

Single wound FK 3 labyrinth sealing rings are used as grease seals for plain and roller bearing to provide protection against the ingress of dust and environmental moisture. The combined ASK or ISK ring optimise the sealing through the increased labyrinth effect.

 

FK3 Dimensions Table

Due to easier fitting in the grooves, IS or ISK is preferred over the AS or ASK where this is possible. The ring carriers can be manufactured from steel, cast iron or plastic.

 

AS

Outside Clamping
3 rings = 1 set

No speed limit for housing or ring carrier


ASK

Outside Clamping Combination
5 rings = 1 set

Speed limit for housing max 10m/s
Speed limit for ring carrier max 4m/s

 

IS

Inside Clamping
3 rings = 1 set

No speed limit for housing
Speed limit for shaft max 4m/s


ISK

Inside Clamping Combination
5 rings = 1 set

Speed limit for shaft max 4m/s
Speed limit for housing max 10m/s

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