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R911287531 (1MR310B-A112)

1MB High-Speed Asynchronous Motors

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1 Year Warranty Included
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6 Minutes 17 Seconds

The R911287531 (1MR310B-A112) is a 1MR rotor designed for integration with Bosch Rexroth 1MB frameless kit spindle motors, specifically for C-axis, processing, and threading tasks. This rotor is compatible with 1MS stators of types 6B, 6D, and 6E and supports a current range of 58 to 75 A. It delivers a rated torque of 260 Nm and operates within a speed range of 1760 to 4000 rpm, providing output power from 12 to 27 kW depending on the paired stator. The rotor is suitable for stators with an internal diameter of 112 mm, features a step interference fit design, uses class-F insulation, and is intended for ambient temperatures between 0 and +40°C. Professional installation and handling are required.

Technical Specifications

Product Type
1MR Rotors, Brake Resistors, Drive Controllers

Installation
Mounted in 1MS stator

Rated Torque
260 Nm

Operating Current
58 – 75 A

Available Stator Types
6B, 6D, 6E

Operating Speed
1760 – 4000 rpm

Rated Power
12 – 27 kW

Motor Inside Diameter
112 mm

Design
Step Interference Fit

Operating Temperature
0 to +40 degree Celsius

Insulation
Class-F

Usage
Direct drive in spindle motors

Product Reliability
Robust and Reliable

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the 1MR310B-A112.
Exchange
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