Motor dimensional chart nema c and j face mounting dimensions mounting dimensions of 1the 156j face are exactly the same as the nema 456c.
56c frame bolt pattern.
56c 56hc 56j 143tc and.
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.
Aj flange bolt centers.
U shaft diameter.
Bolt hole spacing first four bolt holes are drilled on the mounting flange spaced 90 degrees apart.
See illustrations and table below for speci cs.
9 16 ag bx 6 5 64 1 4 2ounc 2b l h.
Electric motor nema frame sizes table.
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.
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.
Ak flange lip diameter.
In any standard frame number designation there are either two or three numbers.
This is the most popular type of face mounted motor and has a specific bolt pattern on the shaft end to allow mounting.
C designates a c flange face mounted motor e g nema 56c frame.
1 2 deep 13 32 dia.
The critical items on c face motors are the bolt circle aj dimension rabbet diameter ak dimension and the shaft size u dimension.
4 holes equally spaced as shown 45 6 1 2 10 r.
2f bolt pattern centers.
Electric motor nema frame table chart sizes engineers edge.
V shaft length.
Removable bolt on bolt off base frame 1 3 1800 56c 56c 28 1.
Box 307 pittsford ny 14534 usa phone.
56j face 5has 3a threaded shaft of stainless steel while all others have a keyed steel shaft.
E bolt pattern centers.
56 frame 56c frame fractional motors from worldwide electric suitable for all general purpose applications worldwide electric corporation p o.
Typical examples of frame numbers 48 56 145 and 215.
C total length.
D shaft center height.