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R911252879 (1MR160D-A040)

1MB High-Speed Asynchronous Motors

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The R911252879 (1MR160D-A040) is an industrial rotor designed by Bosch Rexroth for use with factory automation equipment. It has an IP00 protection rating and must be shielded from liquids. The rotor, which has an inside diameter of 40 mm and is suited for use in D length, size 160 stators, supports both 4A and 4B winding configurations. In a 4B winding, it provides 32 Nm of rated torque and a winding inductance of 7.23 mH. Operating at up to 12000 rpm in a 4A winding configuration, it can deliver a power output of 10 kW at a rated current of 48 A. The rotor weighs 7.3 kg, has a maximum coolant input pressure of 3 bar, produces a loss power of 1.8 kW, and is specified to function optimally within 0 to +40 °C ambient temperature and up to 1000 meters altitude. This component is intended for integration into the main spindle motor, contributing to heat dissipation within the system.

Technical Specifications

Degree of Protection
IP00

Rotor Maximum Coolant Input Pressure
3 bar

4B Winding Code Rotor Rated Torque
32 Nm

Winding Inductance
7.23 mH

Maximum Rotational Speed
12000 revolutions per minute

Rated Current
48 Amps

Power Output
10 kW

Weight
7.3 kilos

Frame Lengths Suited
D

Winding Identifications Suited
4A and 4B

Power Connection Minimum Cross-section
4 mm2

4B Winding Configuration Torque Constant
1.38 Nm/A

Inner Diameter
40 mm

Moment of Inertia
0.012 kgm2

Polar Pairs
2

Temperature Range
0 to +40 degrees Celsius

Maximum Installation height
1000 meters above sea level

Nominal Voltage Usage
138 volts

Insulation Class
F

Power Loss
1.8 kW

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1620 Old Apex Road
Cary, NC 27513, USA

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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.