R911281827 (MKD112C-058-GP3-BN)

Its electrically released brake applies clamping torque when de-energized to prevent back-driving on vertical or suspended loads. Its 70 Nm rating provides substantial static holding margin for fine-pitch ball-screws and belt transmissions to improve stop-state determinism and restart repeatability.

The large pilot and bolt circle minimize eccentricity and simplify coaxial alignment for reducing radial load on bearings. Its correctly toleranced locating fit improves coupling balance at speed to lower vibration and enhances interpolation quality on precision axes.

The continuous static torque allows sustained holding without thermal runaway during long dwells or clamp cycles. It supports aggressive S-curve profiles where average speed is low but high static torque is repeatedly demanded.

The shaft seal mitigates ingress of contaminants and lubricant egress to preserve bearing life and insulation integrity. It reduces maintenance intervals in environments with atomized coolants, paper dust or packaging particulates.

The servo gains follows mechanical resonance and back-EMF near the upper speed region to avoid saturation. Its bearing preload and coupling balance become increasingly critical above rated speed to control heat and axial growth.