For 56h combination foot refer to diagram 1.
Electric motor base dimensions.
Bases for variable speed applications allow movement while operating to compensate for vibration and varying loads.
Motor bases are fabricated of steel which offers a base of rugged design compact and smooth in appearance.
The following specifications documents and dimension charts are available as acrobat pdf files.
Bases are design to provide adequate travel are fully adjustable by the use of a single adjusting screw and have elongated mounting holes in the base plate.
All dimensions are approxi mate not to be used for construction purposes.
The following are dimensional size charts for standard electric motor nema standard frames and configuration.
Foot mounting dimensions listed are identical for either rigid or resilient base mounting.
Dimensions drip proof totally enclosed fan cooled and explosion proof.
Electric motor calculator calculate amps hp and kva.
Electrical electrical units amps and electrical wiring wire gauge and awg electrical formulas and motors.
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.
Drawing shows rigid base.
Electrical induction motors synchronous speed the speed at which an induction motor operates depends on the input power.
Nema shaft u k ey r dim n s 3 8 1 2 5 8 7 8 1 1 8 1 3 8 1 5 8 1 7 8 2 1 8 2 3 8 2 1 2 2 7 8 3 3 8 3 7 8 21 64 29 64 33.
Nema motor dimensions reference chart a ft e r l e t t e r i n d i c a t e s t h e n u m b e r i s a n app r o x i m a te v a l ue.
Electric motor efficiency calculate electric motor efficiency.
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Standardized motor dimensions are established by the national electrical manufacturers association nema are tabulated below and apply to all base mounted motors listed herein that carry a nema frame designation.
For c flange motors refer to.
Bases for constant speed applications keep your motor in a fixed position while operating.