Stieber Clutch Built-In Freewheels Type NF

Type NF is a roller-type freewheel non-bearing supported. Bearings are required to support axial and radial loads. The installation must also provide lubrication and sealing.

Standard lubrication is oil. The nominal outside diameter is a standard ball-bearing dimension. A typical arrangement is to install this type alongside a bearing with the exact housing tolerances, as shown on the following page. The inner race is keyed to the shaft. The outer race has a positive n6 tolerance to give a press fit in an H7 housing. Additional side notches provide for positive torque transmission.

If the housing tolerance is to K6, the notches' use is unnecessary, but the housing must be strong enough not to expand after assembly.

Check the Clutch Built-In Freewheels Type NF Catalog to select the best model for your application.

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