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Flexible Shaft Couplings
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Coupling Technical Info.
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NEMA Shaft Details
NEMA SHAFT DETAILS
NEMA Frame
Shaft Diameter
Key Way
42
3/8"
FLAT
48
1/2"
FLAT
56
5/8"
3/16"
56H
5/8"
3/16"
143T
7/8"
3/16"
145T
7/8"
3/16"
182
7/8"
3/16"
184
7/8"
3/16"
182T
1 1/8"
1/4"
184T
1 1/8"
1/4"
213
1 1/8"
1/4"
215
1 1/8"
1/4"
213T
1 3/8"
5/16"
215T
1 3/8"
5/16"
254U
1 3/8"
5/16"
256U
1 3/8"
5/16"
254T
1 5/8"
3/8"
256T
1 5/8"
3/8"
284U
1 5/8"
3/8"
286U
1 5/8"
3/8"
284T
1 7/8"
1/2"
286T
1 7/8"
1/2"
284TS
1 5/8"
3/8"
286TS
1 5/8"
3/8"
324U
1 7/8"
1/2"
326U
1 7/8"
1/2"
324T
2 1/8"
1/2"
326T
2 1/8"
1/2"
324TS
1 7/8"
1/2"
326TS
1 7/8"
1/2"
364U
2 1/8"
1/2"
365U
2 1/8"
1/2"
364T
2 3/8"
5/8"
365T
2 3/8"
5/8"
364TS
1 7/8"
1/2"
365TS
1 7/8"
1/2"
404U
2 3/8"
5/8"
405U
2 3/8"
5/8"
404T
2 7/8"
3/4"
405T
2 7/8"
3/4"
404TS
2 1/8"
1/2"
405TS
2 1/8"
1/2"
444U
2 7/8"
3/4"
445U
2 7/8"
3/4"
444T
3 3/8"
7/8"
445T
3 3/8"
7/8"
447T
3 3/8"
7/8"
449T
3 3/8"
7/8"
444TS
2 3/8"
5/8"
445TS
2 3/8"
5/8"
447TS
2 3/8"
5/8"
449TS
2 3/8"
5/8"
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