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General Purpose IHP Motor Dimensions
Single and Three Phase 143T-449T Frame • Dripproof • Totally Enclosed • Explosion-Proof
ForReferenceOnlyUnless
ApprovedforConstruction
NEMA
Frame Keyway BA D
1
 E 2F H N U
2
 V
3
143T 3⁄16 x 3⁄32 2.25 3.50 2.75 4.00 11⁄32 2.31 .875 2.00
145T
3⁄16 x 3⁄32 2.25 3.50 2.75 5.00 11⁄32 2.31 .875 2.00
182T
1⁄4 x 1⁄8 2.75 4.50 3.75 4.50 13⁄32 2.81 1.125 2.50
184T
1⁄4 x 1⁄8 2.75 4.50 3.75 5.50 13⁄32 2.81 1.125 2.50
213T
5⁄16 x 5⁄32 3.50 5.25 4.25 5.50 13⁄32 3.50 1.375 3.13
215T
5⁄16 x 5⁄32 3.50 5.25 4.25 7.00 13⁄32 3.50 1.375 3.13
254T
3⁄8 x 3⁄16 4.25 6.25 5.00 8.25 17⁄32 4.25 1.625 3.75
256T
3⁄8 x 3⁄16 4.25 6.25 5.00 10.00 17⁄32 4.25 1.625 3.75
284T
1⁄2 x 1⁄4 4.75 7.00 5.50 9.50 17⁄32 4.88 1.875 4.38
284TS
3⁄8 x 3⁄16 4.75 7.00 5.50 9.50 17⁄32 3.50 1.625 3.00
286T
1⁄2 x 1⁄4 4.75 7.00 5.50 11.00 17⁄32 4.88 1.875 4.38
286TS
3⁄8 x 3⁄16 4.75 7.00 5.50 11.00 17⁄32 3.50 1.625 3.00
324T
1⁄2 x 1⁄4 5.25 8.00 6.25 10.50 21⁄32 5.50 2.125 5.00
324TS
1⁄2 x 1⁄4 5.25 8.00 6.25 10.50 21⁄32 4.00 1.875 3.50
326T
1⁄2 x 1⁄4 5.25 8.00 6.25 12.00 21⁄32 5.50 2.125 5.00
326TS
1⁄2 x 1⁄4 5.25 8.00 6.25 12.00 21⁄32 4.00 1.875 3.50
364T
5⁄8 x 5⁄16 5.88 9.00 7.00 11.25 21⁄32 6.13 2.375 5.63
364TS
1⁄2 x 1⁄4 5.88 9.00 7.00 11.25 21⁄32 4.00 1.875 3.50
365T
5⁄8 x 5⁄16 5.88 9.00 7.00 12.25 21⁄32 6.13 2.375 5.63
365TS
1⁄2 x 1⁄4 5.88 9.00 7.00 12.25 21⁄32 4.00 1.875 3.50
404T
3⁄4 x 3⁄8 6.63 10.00 8.00 12.25 13⁄16 7.50 2.875 7.00
404TS
1⁄2 x 1⁄4 6.63 10.00 8.00 12.25 13⁄16 4.50 2.125 4.00
405T
3⁄4 x 3⁄8 6.63 10.00 8.00 13.75 13⁄16 7.50 2.875 7.00
405TS
1⁄2 x 1⁄4 6.63 10.00 8.00 13.75 13⁄16 4.50 2.125 4.00
444T
7⁄8 x 7⁄16 7.50 11.00 9.00 14.50 13⁄16 8.87 3.375 8.25
444TS
5⁄8 x 5⁄16 7.50 11.00 9.00 14.50 13⁄16 5.12 2.375 4.50
445T
7⁄8 x 7⁄16 7.50 11.00 9.00 16.50 13⁄16 8.87 3.375 8.25
445TS
5⁄8 x 5⁄16 7.50 11.00 9.00 16.50 13⁄16 5.12 2.375 4.50
445TZ
1 x 1⁄2
5
7.50 11.00 9.00 16.50 13⁄16 11.25 3.875 10.625
447T
7⁄8 x 7⁄16
4
7.50 11.00 9.00 20.00 13⁄16 8.87 3.875 8.25
447TS
5⁄8 x 5⁄16
4
7.50 11.00 9.00 20.00 13⁄16 5.12 2.375 4.50
447TZ
1 x 1⁄2
5
7.50 11.00 9.00 20.00 13⁄16 11.25 3.875 10.625
449T
7⁄8 x 7⁄16
4
7.50 11.00 9.00 25.00 13⁄16 8.87 3.375 8.25
449TS
5⁄8 x 5⁄16
4
7.50 11.00 9.00 25.00 13⁄16 5.12 2.375 4.50
449TZ
1 x 1⁄2
5
7.50 11.00 9.00 25.00 13⁄16 11.25 3.875 10.625
Notes:
1
Dimension “D” tolerance: - 8” or less, +.000, -.031; over 8”, +.000-.062
2
Dimension “U” tolerance: - 11⁄2” dia. or less, +.0000, -.0005; over 11⁄2” dia., +.000, -.001
3
Dimension “V” is usable length of shaft
4
Suitable for horizontal mounting only. Refer to company for belting applications.
5
Crusher-duty motors Spec 80546