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Adjustability Adjustability | Show |
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Adjustability Adjustability | Hide |
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Adjustment Style Adjustment Style |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Mounting Orientation Mounting Orientation |
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Length Length |
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Overall Width Overall Width |
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Overall Height Overall Height |
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Application Type Application Type |
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Max. Position Adjustment Max. Position Adjustment |
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Material Material |
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For Max. Motor hp For Max. Motor hp |
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Adjustable Motor-Mounting Bases

F
Increase energy efficiency in belt-driven systems while reducing wear on components—use one of these bases to adjust your motor position to get the proper belt tension.
Bases for variable-speed applications allow movement while operating to compensate for vibration and varying loads. They’re often used for automatic belt tensioning with spring-loaded pulleys in variable-speed drive applications.
For technical drawings and 3-D models, click on a part number.
| For Motor NEMA Frame Size | For Max. Motor hp | Mounting Orientation | Max. Adjustment | Adjustment Style | Lg. | Wd. | Ht. | Each | ||
For Angular Adjustment in Variable-Speed Applications | ||||||||||
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| F | 48, 56 | 3 | Any Angle | 30° | Hand Crank | 12 1/2" | 5 7/8" | 3 1/2" | 0000000 | 0000000 |

























