Home > Products > SEW > SEW servo speed reducer > BSF Helical-bevel servo gear series > SEW BSF series Helical-bevel servo gear units

The low backlash BSF helical-bevel servo gear units are designed for the 40 to 1500 Nm (350 to 13200 lb-in) torque classes. The permitted acceleration torques are significantly higher than these values.



These right-angle servo gear units are available in five output versions:



BSF: Solid shaft



BSKF: Solid shaft with key



BSBF: Flange block shaft (EN-ISO 9409)



BSHF: Hollow shaft with shrink disc



BSAF: Hollow shaft with keyway (Shaft mounted gear unit)



All versions are equipped with a B5 mounting flange and optional foot mounting and torque arm. Because of this, these drive units can be optimally integrated into existing applications. The combination of a helical input stage and a hypoid output stage results in ratio ranges which can be covered by the single-stage bevel (wheel) and hypoid gear unit or by the single-stage helical-worm gear unit with high transmission quality. The circumferential backlash remains constantly low throughout the gear unit’s service life.


 
SEW BSF series Helical-bevel servo gear units
SEW BSF series Helical-bevel servo gear units
The low backlash BSF helical-bevel servo gear units are designed for the 40 to 1500 Nm (350 to 13200 lb-in) torque classes. The permitted acceleration torques are significantly higher than these values.These right-angle servo gear units are available in five output versions:BSF: Solid shaftBSKF: Sol
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