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R911256862 (1MR310D-A108/S027)

1MB High-Speed Asynchronous Motors

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The Bosch Rexroth rotor R911256862 (1MR310D-A108/S027) is a liquid-cooled component intended for integration with 1MB frameless spindle motors within the IndraDrive system. This rotor has a frame size of 310 and motor length D, and features a step interference fit for frictional retention onto the motor spindle, supporting precise alignment. Balancing rings with tapped holes enable vibration control. The laminated core is protected with lacquer to reduce corrosion risks during handling or storage. This model conforms to DIN VDE 0530 standards and uses cooling rings attached to the endplate for thermal management. It has an IP 00 rating, indicating the need for additional protection in exposed operating environments.

Technical Specifications

Component of
1MB frameless spindle motor

Frame Size
310

Frame Length
D

Design
Step interference fit

Balancing rings
Yes

Vibration severity grade
Based on DIN VDE 0530 requirement

Mounting
Frictionally engaged with motor spindle

Laminated Core
Protective lacquer coating

Inside diameter
108mm

Moment of inertia
0.492 kgm2

Ingress Protection Rating
IP 00

Cooling
Cooling rings connected to the endplate

Global Shipping
Yes

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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 1MR310D-A108/S027.

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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.