Internal Freewheels FD for press fit on the outer ring with sprags Application as ➧ Backstop ➧ Overrunning Clutch ➧ Indexing Freewheel Internal Freewheels FD are sprag freewheels without an inner ring. The customers hardened and ground shaft is used as the inner track. The standard type does not have bearing support. In the case of the standard type, every second sprag has been be replaced by a cylindrical roller; this freewheel can accept radial forces. Nominal torques up to 2 400 Nm. The torque is transmitted on the outer ring by press fit. Application example Two Internal Freewheels FD 40 CFR of standard type with bearing support as overrunning clutches in the drive of the transport rollers in a packaging distribution unit. In normal operation, the transport rollers are driven by means of the freewheels that are working in driving operation. At the withdrawal station, the arriving packages can easily slip off as the drive is overrun by the freewheel (freewheeling operation).

Internal Freewheels FD for press fit on the outer ring with sprags Indexing Freewheel Overrunning Clutch Backstop 81-1 Standard type For universal use Standard type with bearing support For universal use Mounting Internal freewheels FD in type standard are without bearing support. Concentric alignment of inner and outer ring must be provided by the customer. The permissible run out (T.I.R.) must be observed. The torque is transmitted on the outer ring by press fit. In order to transmit the torques specified in the table, the outer ring must be accommodated in a housing with an external diameter...