Internal Freewheels FZ
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Internal Freewheels FZ … with ball bearing properties ➧ Backstop ➧ Overrunning Clutch ➧ Indexing Freewheel Features Internal Freewheels FZ … are sprag freewheels with bearing support and ball bearing properties. The freewheels are supplied grease-filled for normal operating conditions. The freewheel is built into the customer housing. This makes compact, space-saving fitting solutions possible. Nominal torques up to 420 Nm. The torque is transmitted on the inner ring and/or on the outer ring by press fit or keyway connection. Bores up to 40 mm. The following series are available: Series Torque transmission on Outer ring Inner ring by by keyway press fit keyway press fit Internal Freewheels FZ 6201 to FZ 6207, FZ 6201 P to FZ 6207 P and FZ 6202 PP to FZ 6207 PP have the same dimensions as the respective ball bearings of series 62. The freewheel sizes FZ 6208, FZ 6208 P and FZ 6208 PP as well as the series FZ … 2RS and FZ … P2RS have a different width B. The series FZ … 2RS and FZ … P2RS have 2RS seals. 80-2 Application example Two Internal Freewheels FZ 6206 as indexing freewheels in the drive of the metering roller of a seed spreader. The freewheels are built in an infinitely variable oil bath gearbox. Two cam disks that are set off by 180° are arranged on the gearbox shaft. By means of lever arms, these drive the outer rings of the two adjacent Internal Freewheels, which then gradually turn the metering shaft. The infinite speed settings of the gearbox’s drive shaft are executed by means of the respective pivoting of the roller support plate, so that the lever arms can execute lifts of di

Internal Freewheels FZ for press fit on the outer ring with sprags and bearing support Indexing Freewheel Overrunning Clutch Backstop 81-1 Standard type For universal use Load rating of bearing support The torque is transmitted on the inner and 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 K. The housing is made of steel or grey cast iron in minimum quality GG20. When using other housing materials or smaller external diameters, we urge you to contact us regarding the transmissible...

Internal Freewheels FZ … 2RS for press fit on the outer ring with sprags, bearing support and sealing Indexing Freewheel Overrunning Clutch Backstop 82-1 Standard type For universal use Load rating of bearing support The torque is transmitted on the inner and 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 K. The housing is made of steel or grey cast iron in minimum quality GG20. When using other housing materials or smaller external diameters, we urge you to contact us regarding the...

Internal Freewheels FZ … P2RS for press fit on the outer ring with sprags, bearing support and sealing Indexing Freewheel Overrunning Clutch Backstop 83-1 Standard type For universal use Load rating of bearing support The torque is transmitted on the inner ring by keyway connection and 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 K. The housing is made of steel or grey cast iron in minimum quality GG-20. When using other housing materials or smaller external diameters, we...

Internal Freewheels FZ … P for press fit on the outer ring with sprags and bearing support Indexing Freewheel Overrunning Clutch Backstop 84-1 Standard type For universal use Freewheel Size Load rating of bearing support The torque is transmitted on the inner ring by keyway connection and 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 K. The housing is made of steel or grey cast iron in minimum quality GG-20. When using other housing materials or smaller external diameters,...

Internal Freewheels FZ … PP for keyway connection on the outer ring with sprags and bearing support Indexing Freewheel Overrunning Clutch Backstop Standard type For universal use Load rating of Bore B D bearing support d Maximum Freewheel dynamic static speed Size C C0 mm mm mm min-1 N N 15* 11 FZ 6202 PP 21 8 400 5 160 2 410 17* 12 FZ 6203 PP 32 7 350 5 650 2 860 20* 14 FZ 6204 PP 88 6 000 6 890 4 190 25* 15 FZ 6205 PP 100 5 200 7 230 4 660 30* 16 FZ 6206 PP 230 4 200 7 730 5 660 35* 17 FZ 6207 PP 330 3 600 8 170 6 630 40 22** FZ 6208 PP 420 3 000 8 950 7 990 The maximum transmissible...