MKD090B-085-GP0-BN Bosch Rexroth Indramat
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MPN: R911263799
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The Bosch Rexroth Indramat MKD090B-085-GP0-BN servo motor is part of the MKD Synchronous Motors series and has a flange size of 140 mm and centering diameter of 110 mm. It features a continuous torque at standstill of 12.0 Nm, resolver feedback encoder, and IP65 protection category. The shaft is designed with a keyway and includes a shaft seal, and the motor operates within an ambient temperature range of 0 to 40°C.
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Product Description:
The MKD090B-085-GP0-BN is a servo motor manufactured by Bosch Rexroth Indramat for the MKD Synchronous Motors series. It provides closed-loop rotary actuation in industrial automation, driving axes that require repeatable speed and position control. When paired with a compatible drive, the motor converts electrical commands into controlled shaft motion for indexing tables, feed axes, and other applications that depend on stable torque response. Because the motor is supplied without an integrated holding brake, external brakes or mechanical locks are required to secure suspended or backdriven loads when power is removed.
The mechanical interface uses a centering diameter of 110 mm and a square mounting flange that measures 140 mm, allowing the frame to bolt directly to standard gearboxes or machine plates with accurate alignment. Power and feedback cabling exit on side B through an output connector, which can simplify cable routing where space behind the motor is limited. A continuous standstill torque rating of 12.0 Nm supports low-speed indexing without overheating, while rotor position is monitored through resolver feedback so the drive can maintain commutation and stable speed control. The stator windings use insulation class F, and the motor has frame size 090 with length code B, a keyed shaft for positive torque transfer, a shaft seal, and relative position detection that requires a reference run after power-up.
The housing carries an IP65 rating, which helps protect internal components from dust and low-pressure water jets in typical factory environments. Positioning accuracy reaches ±8 angular minutes, supporting fine registration of tooling, fixtures, and similar machine elements during repeated motion cycles. The permissible ambient range is 0–40°C, which suits many enclosed production areas that do not rely on extreme cooling or heat shielding. In automated handling equipment, that level of precision helps maintain consistent product spacing and tool alignment over repeated cycles. Stable ambient conditions also help preserve winding temperature margin during continuous servo operation.
Frequently Asked Questions about MKD090B-085-GP0-BN:
Q: Does the MKD090B-085-GP0-BN motor come with a holding brake?
A: This model does not include a holding brake.
Q: What type of feedback does the MKD090B-085-GP0-BN motor offer for position detection?
A: The MKD090B-085-GP0-BN provides resolver feedback (RSF) for relative position detection.
Q: What type of shaft configuration is available on the MKD090B-085-GP0-BN?
A: The shaft features a keyway and is equipped with a seal for protection.
Q: What is the continuous torque at standstill for the MKD090B-085-GP0-BN?
A: The continuous torque at standstill for this model is 12.0 Nm.
Q: What is the protection rating of the MKD090B-085-GP0-BN motor?
A: The protection category is IP65, which means the motor is dust tight and protected against water jets.
