R911376317 (MSK101C-0300-FN-S2-AG0-RNNN)

Its tighter rotor/stator concentricity lowers unbalance and air-gap variation for reducing radial force harmonics and bearing loads. It curbs mechanical vibration and acoustic emission to benefit contouring accuracy on precision axes.

The liquid cooling evacuates winding and stator heat efficiently for preserving magnetic properties and keeping thermal drift low during continuous duty. It enables the quoted 100 K standstill ratings to be sustained in dense machines with repetitive cycles.

The EnDat 2.1 is a digital, bidirectional encoder interface that transmits precise position values and supports encoder data/diagnostic exchange over minimal lines. It reduces wiring complexity and enables early fault detection for stabilizing servo loops at higher bandwidths.

Its fixed A-side orientation shortens cable runs and simplifies segregation from feedback lines for easing EMC routing rules. It also speeds service: power disconnect/replace tasks can be performed without disturbing encoder cabling.

The plain shaft expects backlash-free couplings (e.g., bellows or elastomer) sized for the 110 Nm peak. Without a brake, the axis relies on drive-side holding torque or external mechanical locking for safe power-off conditions.