fk6 askD double laminar sealing rings combined for bores
Application FK6 ASKD ‘Outside clamping combined double rings’ (1 set = 3 rings)
Double wound laminar sealing rings "FK6 ASKD" are used as a grease seal for roller and plain bearings and they protect, if greased, against grease leakage as well as against dust, dirt and splash water ingress, especially if the sealing requirements are high. Due to the increased labyrinth effect, the sealing effect is optimized by the additional sealing of the groove base diameter.
The "FK6 ASD" or "FK6 ASKD" assemblies are normally preferred over the "FK6 ISD" or "FK6 ISKD" assemblies due to their easier installation into the grooves. Depending on the applications or the technical requirements, the ring carriers can be manufactured from steel, cast iron, light alloy or plastics.
Permissible circumferential speed (in m/s)
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Axial and/or radial play |
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FK6 ASKD ring set |
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Axial and/or Radial Play
The groove width ‘A’ must be widened by twice the play if play occurs in the area of the rings. The groove base diameter ‘D2’ must be reduced by the radial play if radial play occurs. Damage to the rings and the surrounding components occur if this is not adhered to. It is recommended to use the full groove width tolerances, especially in the case of thermal expansion.
Ordering Information
The ring diameter information must match the housing or shaft diameter dimensions ‘D1’ for all enquiries and/or orders. The rings can be ordered individually or in sets (1 set = 2 ASD rings + 1 ISD ring).
Run and Installation Tests
Run and installation tests under operating conditions must be performed in each case before standard production of FEY laminar sealing rings can begin to determine whether the desired sealing effects can be achieved.
Installation/Ring Materials/Dimension Table
