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R911389406 (MKE098B-058-AP1-BENN)

MKE Synchronous Motors

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The R911389406 (MKE098B-058-AP1-BENN) is a Bosch Rexroth Indramat MKE series servo motor designed for applications in potentially explosive environments. This motor features a 98 frame size (B-length) and utilizes a brushless design with grease-lubricated bearings. It is equipped with a shaft that has a DIN 6885-1 keyway and a shaft sealing ring, supporting ATEX-compliant housing for enhanced protection. The terminal box is mounted on the B-side and accommodates 128-increment singleturn Hiperface optical encoders. The unit provides a maximum torque of 43.5 Nm, a continuous standstill torque of 12.0 Nm (at 60K), and supports up to 5000 RPM. The servo motor integrates a 24V electrically releasing holding brake with an 11 Nm holding torque. It features four magnetic pole pairs, a rotor moment of inertia of 0.00430 kgm², 6.7 nF discharge capacity, and offers dust and jet water protection rated to IP65. The motor weighs 18.0 kg without the brake.

Technical Specifications

Product Type
Servo Drive Motor

Design
Closed Design

Flange Mounting
Meet DIN 42948 requirements

Bearings
Grease-lubricated

Motor Design Type
Brushless

Frame Size
098

Shaft Outfit
DIN 6885-1 keyway and a shaft sealing ring

Features
Electrically releasing holding brake

Brake Voltage
24 V

Moment of Inertia for Brake
0.000360 kgm2

Holding Torque for Brake
11 Nm

Terminal Box Location
B-side

Housing Standard
ATEX

Maximum Torque
43.5 Nm

Magnetic Pole Pairs
4

Maximum Velocity
5000 RPM

Moment of Inertia for Rotor
0.00430 kgm2

Torque Constant at 20 C
1.09 N/m

Voltage Constant
70 V/min-1

Winding Resistance at 20 C
5.80 Ohm

Design Conformity
IP 65 Rating.

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1620 Old Apex Road
Cary, NC 27513, USA

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.