The 1MR160F-A055 from Bosch Rexroth Indramat features a motor size of 160 and a rotor inside diameter of 55 mm. Part of the 1MB High-Speed ..."> R911251936 | 1MB High-Speed Asynchronous Motors | Indramat Motors | Indramat USA

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R911251936 (1MR160F-A055)

1MB High-Speed Asynchronous Motors

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The Bosch Rexroth MPN R911251936 (1MR160F-A055) is a rotor from the 1MR series, intended for integration with 1MB high-speed synchronous frameless spindle motors. This rotor is equipped with a sleeve and a laminated core utilizing a step interference fit. Balancing rings with tapped holes facilitate adjustment to the specified vibration severity grade in accordance with DIN VDE 0530 standards. The model features a moment of inertia of 0.016 kg·m², an inside diameter of 55 mm, a motor size of 160, motor length F, and a mass of 10.2 kg. Heat dissipation is managed via the stator air gap. The design supports operation at ambient temperatures up to 40°C with an ingress protection rating of IP10; additional protective seals are recommended for extended use.

Technical Specifications

Usage
High-speed synchronous frameless spindle motors

Core Type
Laminated core with step interference fit

Balancing Rings
Present with tapped holes

Heat Loss
Through an air gap in the stator

Moment of Inertia
0.016 kgm2

Inside Diameter
55 mm

Weight
10.2 kg

Operating Temperature
40oC

Protective Coating
Red Lacquer

Ingress Protection (IP) Rating
IP 10

Global Shipping
Yes

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1-year-warranty
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