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R911257317 (1MR376B-B225/S041)

1MB High-Speed Asynchronous Motors

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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911257317 (1MR376B-B225/S041) is a motor rotor designed for the 1MB asynchronous spindle motor series. It features a high-metal rotor body manufactured to international standards and is constructed for reliable performance under demanding industrial conditions. The rotor integrates a liquid cooling system and special ball bearings to control frictional heat and ensure stable temperature operation. Key specifications include an operational inertia of approximately 0.46 kg/m², a maximum speed of 1000 rpm, a length of 304 mm, a stator diameter of 130 mm, and a mass correlating with a current of about 26.4 A. The design variant uses ‘Tighten With Screws’ fastening and is suitable for installation at a maximum altitude of 1000 m and ambient temperatures up to 50°C.

Technical Specifications

Component of
1MB Asynchronous Spindle Motor

Operational Inertia
0.46 kilograms per meter square

Maximum Speed
1000 revolutions per minute

Operational Height Limit
1000 meters

Ambient Temperature Limit
50 degrees Celsius

Mass
26.4 amperes

Diameter
130 millimeters

Length
304 millimeters

Shipping
Global shipping available.

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1-year-warranty
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