One-way roller clutch FKNN series

with internal bearingsindexing

GMN 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). GMN ball bearing freewheel clutch units without seals are suitable for either oil or grease lubrication. All GMN ball bearing freewheel clutch units can be used as indexing clutches, backstops or as overrunning clutches. 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). Characteristics: 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 Components: Insert element*: FE 400 Z2 Raceways: Bearing steel, hardened and ground Inner ring: Keyway per DIN 6885, Sheet 3 (Sizes 6203-6206); Keyway per DIN 6885, Sheet 1 (Sizes 6207-6208); Tolerance: P9 with back clearance Outer ring: Rectangular groove Ball bearing: integrated Roller bearing: — Lubrication: Lifetime grease lubrication* Seal: RS seals* * Series FKNN 2RS (with RS seals)