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R911287858 (1MS140D-4B-A1)

1MB High-Speed Asynchronous Motors

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The Bosch R911287858 (1MS140D-4B-A1) is an asynchronous spindle motor stator from the 1MB series, featuring a liquid-cooled housing for efficient thermal management. It is designated with motor length D and motor size 140, employing windings code 4B. This stator operates at a nominal voltage of 166 V and produces a rated torque of 7 Nm, supporting continuous operation at 5000 rpm and maximum speeds up to 20,000 rpm. The component is equipped with a 1.5-meter electrical connection cable positioned at the stator end, weighs 5.3 kg, and is intended for use in ambient temperatures ranging from 0 to +40 °C. It dissipates 1 kW of heat during cooling and has an IP00 protection rating, providing no inherent resistance to dust or liquids.

Technical Specifications

Product Line
1MB Asynchronous Kit Spindle Motor

Motor Type
Asynchronous, Frameless

Nominal Voltage
166 V

Rated Torque
7 Nm

Continuous Speed
5000 rpm

Maximum Speed
20000 rpm

Rated Current
25 A

Cooling Method
Liquid

Application
Turning, Milling, Paper-Processing Machines

Winding Inductivity
2.85 mH

Resistance
0.147 Ohms (at 20 degree Celsius)

Total Mass
5.3 kg (excludes accessories and mounting kit)

Pole Pairs
2

Operating Temperature
0 to +40 degree Celsius

Protection Category
IP00

Heat Dissipation (Liquid Cooling)
1 kW

Motor Coolant Flow Rate
1.4 l/min

Electrical Connection Length
1.5 meters.

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1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

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.