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Product Detail

Sizes of Internal Freewheels ZZ … P and ZZ … PP … P and ZZ … PP

Different types of Internal Freewheels ZZ … P and ZZ … PP … P and ZZ … PP

Structural drawing of Internal Freewheels ZZ … P and ZZ … PP … P and ZZ … PP

Freewheel SizeMaximum torque
MM
Nominal torque
MN
Maximum speedLoad rating of bearing supportBore dBDKWeight
dynamic Cstatic C0
Series
ZZ … P
Series
ZZ … PP
lb-ftNmlb-ftNmrpmlbfNlbf Ninchmminchmminchmminchmmlbskg
ZZ 6201 P13.818.66.99.30003711006298000.47212*0.394101.260321.535390.090.04
ZZ 6202 PZZ 6202 PP25.234.012.617.04006654007644000.59115*0.433111.378351.654420.130.06
ZZ 6203 PZZ 6203 PP44.060.022.030.03507809008548000.66917*0.472121.575402.008510.150.07
ZZ 6204 PZZ 6204 PP74.0100.037.050.00001154000125000.78720*0.551141.850472.283580.240.11
ZZ 6205 PZZ 6205 PP126.0170.063.085.02004057002365000.98425*0.591152.047522.480630.300.14
ZZ 6206 PZZ 6206 PP204.4276.0102.2138.02006307004615001.18130*0.630162.441622.874730.460.21
ZZ 6207 PZZ 6207 PP259.2350.0129.6175.06008356006413001.37835*0.669172.835723.346850.660.30
ZZ 40 PZZ 40 PP481.4650.0240.7325.00004855007653001.575400.866223.150803.710941.100.50

See page 9 for determination of selection torque.

Keyway according to DIN 6885, page 1 • Tolerance of keyway width JS10.

* Keyway according to DIN 6885, page 3 • Tolerance of keyway width JS10.

Mounting
Series ZZ … P:
The torque is transmitted on the inner ring by keyway connection and on the outer ring by press fit.

Series ZZ … PP:
The torque is transmitted on the inner and on the outer ring by keyway connection.

In order to transmit the torques specified in the table, the outer ring must be installed in a housing with an external diameter K. The housing should be made of steel or grey cast iron in minimum quality GG-20. When using other housing materials or smaller external diameters, we urge you to contact the factory regarding the transmissible torque.

The tolerance of the housing bore "D" must be ISO N6 and the tolerance of the shaft must be ISO k6.

The permissible operating temperature of the freewheel is + 40°F to +140°F. Please contact the factory if the temperature is different than the given values.

Lubrication
The freewheels are supplied grease-filled.

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