
Brake Drums Couplings with brake drums, hubs with drums.
The Sibre Drum Brake Couplings Spec Sheets can be downloaded below.
Please contact us now for the password to access the PDF documents.
Ball Hinge Drum Couplings
Material: Outer ring and inner ring by material 42CrMo+QT.
Ball Hinge Drum Coupling Part Names


Working principle and behavior of ball hinge drum coupling
Contact surface between inner ring and outer ring is ball surface
Top of the key is rectangular and bottom of the key is cylinder
Rectangular key position fit with outer ring and cylinder key position can rotate in the groove on the inner ring . Thus coupling have ability of angular compensation
Advantages of Ball Hinge Drum Couplings
Sure to be safe as drum coupling because of special structure