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R911247054 (1MR310F-A112/S022)

1MB High-Speed Asynchronous Motors

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The Bosch MPN R911247054 (1MR310F-A112/S022) motor rotor is engineered for 1MB series asynchronous motors, specifically those with a 310 frame size and F frame length. This rotor features a step interference fit, an inside diameter of 112 mm, and a mass of approximately 97 kg. Designed for liquid-cooled operation, it functions in ambient temperatures from 0 to 40°C and can be stored between -20 and 80°C. Axial runout after installation is ≤ 0.04 mm. Transport and handling should avoid impacting the inside fitting, utilizing appropriate lifting methods such as plastic sling hoisting belts. The rotor is protected to IP00, is identified by a type plate, and must be stored to prevent exposure to vibration. It is compatible with asynchronous spindle motors rated at 30 kW, 380 V, 47 A, and features a maximum mechanical speed of 8000 RPM, 200 Hz frequency, rotational inertia of 0.723 kg·m², total length of 400 mm, winding resistance of 0.363 ohm (at 20°C), and flange mounting (motor protection class IP54). Installation, operation, and servicing are to be performed by trained personnel only.

Technical Specifications

Type
Motor Rotor

Compatible Motor
1MB Asynchronous Motor

Frame Size
310

Frame Length
F

Rotor Design
Step Interference Fit

Inside Rotor Diameter
112 mm

Weight
97 kg

Protection Category
IP00

Cooling Type
Liquid Cooled

Ambient Temperature Range
0 to 40°C

Storage Temperature Range
-20 to 80°C

Transportation Requirement
Protect Rotor Fitting

Lifting Tools Suggestion
Sling Hoisting Belts or Sheathed Hook

Delivery Position
Horizontal

Packaging
Styrofoam Half Shells

Storage Position
Vertical or Horizontal

Protection During Storage
Avoid Vibration

Type Plate Location
Easily Visible

Technical Personnel Requirement
Qualified and Trained

Shipping Availability
Global

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1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
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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We offer a repair service for the 1MR310F-A112/S022.

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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.