R911283139 (MKD112D-027-KP0-BN)

The keyway provides positive mechanical indexing and slip-resistant torque transfer to couplings or gearheads. Its shaft seal limits particulate and fluid ingress at the bearing journal for helping preserve IP protection and bearing life in contaminated production zones.

Its high continuous stall capability allows stiff position and low-speed velocity control without thermal overrun in holding or creep moves. It improves contour fidelity for toolpaths and web handling under constant external load.

Its natural convection increases thermal time constants and can limit continuous current, while forced-air reduces thermal resistance to shorten time constants and raising continuous torque/current before reaching temperature limits that is useful for duty cycles with sustained RMS loading.

The IP65 housing resists dust and low-pressure washdown to allow close-to-process mounting. Its side-B connection simplifies cable routing in vertical or horizontal builds to reduce bend stress and improve EMC compliance in dense machine frames.

The 130 mm pilot registers the motor concentrically to the machine interface to minimize radial runout into couplings. Its flange geometry reduces misalignment-induced vibration and preserves resolver-derived commutation accuracy.