R911298339 (MKD112C-058-KP0-AN)

The keyed interface simplifies positive-drive couplings and repeatable phasing of timing pulleys or rigid hubs. Its dedicated seal mitigates ingress of lubricants and particulates to preserve bearing preload and encoder signal fidelity during aggressive washdown or dusty duty.

The 192 mm square flange and centering pilot provide repeatable datum references for reducing stack-up errors with gearheads or belt stages. Its geometry supports high bolt-circle stiffness for low-settling-time motion profiles in synchronized axes.

The use of a zero-backlash beam or bellows coupling sized for 38 Nm continuous torque with axial and angular compliance. It maintains precise concentricity at the 192 mm flange pilot to limit parasitic radial forces that elevate bearing temperature.

The shorter motor-lead and feedback routing on the drive-facing side reduces loop area and common-mode coupling. Its segregating power and resolver cables with proper shield termination preserves sine/cosine integrity and mitigates phase jitter in absolute position.

The copper and iron losses at commanded torque are important to consider, then apply thermal time constants to evaluate transient temperature rise. It correlates the model with drive thermal estimators and checks that steady-state remains below insulation and bearing limits.