FK3 laminar rings

Application of Fey laminar ring FK3 ISK in a bearing construction

FK3 single-wound laminar sealing rings

FK3 are single-wound laminar sealing rings and are available in internal tensioning, external tensioning and combined design. FK3 is used for, among other things, grease seals for roller bearings and bearing bushes. When greased, they protect against dust and moisture.

Application of Fey laminar ring FK3 ISK in a bearing construction

FK3 AS

Single-wound sealing ring FK3 AS

The type FK3 AS are single-wound laminar rings and provided with the following properties:

  • Externally clamping
  • Seal on the housing with a groove in the shaft
  • 1 set consists of 3 rings

Single-wound sealing ring FK3 AS

FK3 ASK

Double-wound sealing ring FK3 ASK

The type FK3 ASK are single-wound laminar rings and provided with the following properties:

  • Both internally as externally clamping
  • Seal on the housing and shaft groove with a groove in the shaft
  • 1 set consists of 3 externally clamping and 2 internally clamping rings

Double-wound sealing ring FK3 ASK

FK3 IS

Single-wound sealing ring FK3 IS

The type FK3 IS are single-wound laminar rings and provided with the following properties:

  • Internally clamping
  • Seal on the shaft with a groove in the housing
  • 1 set consists of 3 rings

Single-wound sealing ring FK3 IS

FK3 ISK

FK3 single-wound laminar sealing ring

The type FK3 ISK are single-wound laminar rings and provided with the following properties:

  • Both internally as externally clamping
  • Seal on the shaft and housing groove with a groove in the housing
  • 1 set consists of 3 internally clamping and 2 externally clamping rings

FK3 single-wound laminar sealing ring

Materials of FK3 laminar rings

Materials of FK3 laminar rings
MaterialTemperatureSurface treatmentColor
C75S DIN 1.0605max. +300°Coiledvariation between silver, light brown and black
C60E DIN 1.1221max. +300°Coiledvariation between silver, light brown and black
50CrV4 DIN 1.8159max. +400°Coiledvariation between silver, light brown and black
CrNi DIN 1.4310

max. +450°C

blank and dryvariation between silver, light brown and black

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Would you like more information about Fey laminar rings and direct contact with a technical advisor? Call us on +31 (0)53 - 432 34 46 or send an email to info@thn.nl. We are happy to help.

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