MDD093D-N-040-N2M-130PR2

The keyway shaft must be sized and keyed precisely to avoid radial runout and stress concentrations, and the 130 mm centering diameter mandates matching mounting surfaces or adaptors. Improper alignment or torqueing at the hub interface may lead to vibration or bearing damage.

Higher speeds generate losses (iron, friction, windage) that raise internal temperature, so the motor’s cooling path and thermal time constant must handle sustained dissipation. Inadequate heat removal may force derating of torque or speed to stay within insulation class limits.

The shaft seal provides ingress protection at the rotor interface, reducing contamination risk to bearings and internal windings. However, the seal must be matched to enclosure IP rating and environmental conditions to remain effective long term.

“Standard” balance typically allows higher residual imbalance than precision classes, so at 4000 min⁻¹ you may see mild vibration, especially in sensitive gantry or spindle systems. For ultra-low vibration applications, a precision balanced upgrade may be necessary.

You must ensure the drive’s current limit exceeds the motor’s peak current demand (which is derived from torque constant) while staying within thermal and bus supply constraints. Setting too low a current limit will throttle torque, while too high may overheat the motor or pose safety risks.