MSS162J-0500-FA-N0CN-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MSS162J-0500-FA-N0CN-NNNN is a stator for synchronous kit spindle motors and belongs to the MSS Synchronous IndraDyn H Motors series. This standard design stator features a casing with a stator-cooling jacket and supports liquid cooling through axial position connections with G 1/8 and M16x1 threads. It comes with a 1.5 meter long power cable with flying leads and is rated for insulation class F and protection mode IP00.
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Product Description:
The MSS162J-0500-FA-N0CN-NNNN is a stator supplied by Bosch Rexroth Indramat for the MSS Synchronous IndraDyn H Motors series. As a stator for a synchronous kit spindle motor, it forms the stationary magnetic core around which the rest of a liquid-cooled spindle assembly is built. When integrated into a high-speed machining center or grinding head, the unit provides the electromagnetic field that drives a permanent-magnet rotor while preserving flexibility for the surrounding mechanical layout. Its open design allows the spindle housing, bearings, rotor, and feedback components to be selected according to the requirements of the machine.
The factory-mounted 1.5 m power cable has flying leads that simplify routing to the drive controller. A stator cooling jacket surrounds the lamination stack so circulating coolant can remove heat directly from the iron and windings. Power exits through an axially routed cable, keeping the conductors aligned with the spindle axis and reducing torsion during installation. Heat is removed by liquid cooling, which supports high continuous output without requiring a larger motor frame. Because the stator is supplied as an open component, it has an enclosure protection rating of IP00. The completed machine housing must therefore provide protection against contact, contamination, and moisture.
Coolant enters and leaves through axially positioned threaded ports, with one port tapped at G 1/8 and the other at M16x1 to accommodate the spindle cooling circuit. The windings use Class F insulation, allowing a maximum conductor temperature of 155 °C without degrading the insulation system. Reliable operation requires an ambient temperature range of 0 to +40 °C. The stator has frame size 162 and length code J, providing a large bore for high-strength shafts while maintaining a moderate lamination-stack depth. An external feedback device is required because the stator is supplied without a motor encoder. This arrangement allows the spindle assembly to use a feedback resolution and communication protocol suited to its control system.
