Ball bearing freewheel clutch units are suitable for low and medium torque requirements. The FK, FKN and FKNN series have an integrated ball bearing and are also optionally available pre-lubricated with grease and seal rings (2RS models). Ball bearing freewheel clutch units without seals are suitable for either oil or grease lubrication. All ball bearing freewheel clutch units can be used as indexing clutches, backstops or as overrunning clutches.

Product features FK (2RS)

• Dimensions: dimensions in accordance with bearing series 62 (DIN 625)
• Width: 12 / 14 / 15 / 16 / 17 / 18 mm
• Operating temperature: max. 140 °C; higher temperatures on request
• Operation temperature design 2RS with RS seals: max. 110 °C
• Lubrication: oil or grease lubrication; delivered with corrosion protection
• Lubrication series FK 2RS with seals: operative lifetime grease lubrication

Freewheel clutches from the FK (2RS) series are ball bearing freewheel clutch units with keyway connection. They are optionally available sealed on both sides (FK 2RS) or without a seal (FK).

FK (2RS)

Product features FKN (2RS)

• Dimensions: dimensions per bearing series 62 (DIN 625)
• Width: 12 / 14 / 15 / 16 / 17 / 18 mm
• Operating temperature: max. 140 °C; higher temperatures on request
• Operating temperature design 2RS with RS seals: max. 110 °C
• Lubrication: oil or grease lubrication; delivered with corrosion protection
• Lubrication series FKN 2RS with seals: operative lifetime grease lubrication

Freewheel clutches from the FK (2RS) series are ball bearing freewheel clutch units with a keyway on the inner ring and keyway connection on the outer ring. They are optionally available sealed on both sides (FK 2RS) or without a seal (FK).

Product features FKNN (2RS)

• Dimensions: dimensions in accordance with bearing series 62 (DIN 625)
• Width: 12 / 14 / 15 / 16 / 18 mm
• Operating temperature: max. 140 °C; higher temperatures on request
• Operating temperature design 2RS with RS seals: max. 110 °C
• Lubrication: Oil or grease lubrication; delivered with corrosion protection
• Lubrication series 2RS with seals: operative lifetime grease lubrication

Freewheel clutches from the FKNN (2RS) series are ball bearing freewheel clutch units with keyway connection on the inner ring and rectangular groove on the outer ring. They are optionally available sealed on both sides (FKN 2RS) or without a seal (FKN).

FKNN (2RS)