The Stieber GFR Ø90 mm is a self-contained, roller-type freewheel clutch designed for demanding drive applications. It delivers a maximum torque of 14,500 Nm, with an inner race overrunning speed of 450 rpm and an outer race speed of 1700 rpm. Equipped with 10 bolt holes, it supports secure and stable integration into heavy-duty systems.

Constructed with a plain outer race to match H7 tolerances, the GFR model allows torque transmission through a bolted cover plate. It features two 160-series ball bearings for support and requires external oil lubrication. The unit is part of Stieber’s modular system and must be used in conjunction with F-series covers to ensure proper sealing and torque transfer. Two paper seals are provided with each unit.

Technical Specifications:

• Shaft diameter: Ø90 mm

• Overrunning speed (imax): 450 rpm

• Outer race speed (amax): 1700 rpm

• Max torque: 14,500 Nm

• Bolt holes: 10

• Material: Steel

• Lubrication: External oil lubrication

• Outer race: Plain, H7 fit

• Bearing support: Two 160-series bearings (no axial stress)

Applications:

• For use in overrunning, backstop, and indexing configurations

• Supports modular integration with F-series sealing and drive plates

• Optimized for long life under continuous operation