R911293020 (MHD115B-024-NG0-RA)

MHD Synchronous Motors

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The R911293020 (MHD115B-024-NG0-RA) is a brushless servo motor from the MHD series by Bosch Rexroth, designed for high-performance industrial applications. It features electronic commutation with a maximum speed of 4,000 rpm and maximum torque of 160.0 Nm. The motor includes a plain shaft with shaft sealing ring in accordance with DIN 3760 - Design A, enabling friction-locked shaft-hub connections. Radial bearings support high radial loads and allow direct mounting of pinions and pulleys. The unit operates with natural convection cooling, surface cooling capability, and integrated thermal sensors for overheating protection. It is equipped with digital servo feedback for position detection and has an IP65 protection rating. The motor’s dimensions include a centering diameter of 180 mm, flange size of 192 mm, and motor size 115. The winding code is 024, and there is no holding brake. Power connection is via a connector to the right. Continuous torque at standstill is 50.0 Nm, and operation is specified for ambient temperatures from 0°C to 40°C, up to 1,000 m altitude.