Catalog excerpts
Internal Freewheels FNfor keyway connection on the outer ring with rollers Application as Backstop ► Overrunning Clutch ► Indexing Freewheel Features Internal Freewheels FN are roller freewheels without bearing support. The freewheel is built into the customer housing. This makes compact, space-saving fitting solutions possible. Nominal torques up to 3000 Nm. The faces of both sides of the outer ring are provided with grooves for torque transmission. Bores up to 60 mm. Application example Internal freewheel FN 20 as a backstop, on the drive shaft of running gears on a chain conveyor. In normal operation,the drive shaft drives and the freewheel works in freewheeling operation. The freewheel as a backstop prevents the running gears from being able to run backwards uncontrolled in the event of a fault.
Open the catalog to page 1Internal Freewheels FNfor keyway connection on the outer ring with rollers 93-1 93-2 Standard type For universal use ■ Freewheels with bore diameters highlighted blue in the table are available with short delivery times. The maximum transmissible torque is 2 times the specified nominal torque. See page 14 for determination of selection torque. Keyway according to DIN 6885, page 1 • Tolerance of keyway width JS10. Freewheel Size Mounting Internal Freewheels FN are without bearing support. Concentric alignment of inner and outer ring must be provided by the customer. The tolerance of the...
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