This is the most popular type of face mounted motor and has a specific bolt pattern on the shaft end to allow mounting.
56c frame bolt pattern.
C total length.
Electric motor nema frame table chart sizes engineers edge.
4 holes equally spaced as shown 45 6 1 2 10 r.
D shaft center height.
Motor dimensional chart nema c and j face mounting dimensions mounting dimensions of 1the 156j face are exactly the same as the nema 456c.
U shaft diameter.
Tenon pads box faces square with shaft l within 004 t i r.
For example in the two digit 56 frame the d dimension is 3 56 divided by 16 3.
Standard 56c defines the bolt hole spacing of mounting face plates for electrical devices and these measurements are closely adhered to by all nema members.
See illustrations and table below for speci cs.
Nema quick reference chart nema frame de2f h nop uvaa ab ah aj ak ba bb bd xo tap 42 2 5 8 1 3 4 1 11 16 9 32 1 1 2 54 11 163 8 1 1 8 3 84 1 32 1 5 16 3 3 4 3 2 1 16 1 84 5 8 1 9 16 1 4 20.
Aj flange bolt centers.
Box 307 pittsford ny 14534 usa phone.
Bolt hole spacing first four bolt holes are drilled on the mounting flange spaced 90 degrees apart.
56j face 5has 3a threaded shaft of stainless steel while all others have a keyed steel shaft.
Ak flange lip diameter.
56c 56hc 56j 143tc and.
In any standard frame number designation there are either two or three numbers.
56 frame 56c frame fractional motors from worldwide electric suitable for all general purpose applications worldwide electric corporation p o.
2f bolt pattern centers.
9 16 ag bx 6 5 64 1 4 2ounc 2b l h.
The frame number relates to the d dimension distance from center of shaft to center bottom of mount.
V shaft length.
Removable bolt on bolt off base frame 1 3 1800 56c 56c 28 1.
Frame 42 48 56 56h 143t 145t 182 184 182t 184t 213 215 213t 215t 254u 256u 254t 256t 284u 286u 284t 286t 284ts 286ts 324u 326u 324t 326t 324ts 326ts 364u 365u 364t 365t 364ts 365ts 404u 405u 404t 405t 404ts 405ts 444u 445u 444t 445t 447t 449t 444ts 445ts 447ts 449ts d e 2f h n o p u v aa ab ah aj ak ba bb bd tap 2 5 8 3 3 1 2 3 1 2 4 1 2 5.
Typical examples of frame numbers 48 56 145 and 215.
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.
C designates a c flange face mounted motor e g nema 56c frame.
Electric motor nema frame sizes table.
