Roller freewheel NF series
without internal bearings

roller freewheel
roller freewheel
roller freewheel
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Characteristics

Technology
roller
Construction
without internal bearings
Torque

Min.: 20 Nm
(14.7512 ft.lb)

Max.: 44,375 Nm
(32,729.3204 ft.lb)

Diameter

Min.: 8 mm
(0.31 in)

Max.: 150 mm
(5.91 in)

Rotational speed

Min.: 0 rpm
(0 rad.min-1)

Max.: 6,000 rpm
(37,699.11 rad.min-1)

Description

The Type NF is a Non-bearing-supported built-in one-way clutch from Stieber. It has bearings that support the axial and radial loads. This uses oil as a standard lubricating medium that is needed during installation together with a proper sealing. The clutch is usually installed beside the bearing with the same housing tolerance. It is offered with a nominal outside diameter as a standard ball bearing dimension. The inner race is installed to the shaft, while the outer race has an N6 tolerance in order to fit in an H7 housing. It is offered with additional side notches for a better torque transmission.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.