The Stieber NFR Ø12 mm freewheel is a compact, roller-type unit designed for indexing and overrunning applications. It supports low-speed operation at up to 1000 rpm and is engineered without integrated sealing, relying on the system for oil lubrication and housing protection.

Technical Specifications:

• Shaft diameter: Ø12 mm

• Overrunning speed (imax): 1000 rpm

• Max speed outer race (amax): 1000 rpm

• Max torque: 20 Nm

• Material: Steel

• Bearing support: Steel-on-steel (inner race supported)

• Sealing: None – must be externally provided

• Lubrication: Requires oil from external system

• Outer race fit: Press-fit (n6) into H7 housing

• Torque transmission: Includes side notches for positive lock

• Inner race: Keyed for direct torque engagement

Applications:

• Compact indexing or overrunning mechanisms

• Systems with available oil lubrication

• Installations requiring press-fit, no-preload assemblies

• Suitable for horizontal and vertical use