Motor Frame

O (Approx.)

U

Keyway

V Min.

AC

Bolts

Wt. (Approx.)

Open

Encl.

Dis.

Lg.

Open

Encl.

143T

6.875

7

0.875

3/16x3/32

2

4.5

0.25

40

45

145T

6.875

7

0.875

3/16x3/32

2

4.5

0.25

45

50

182T

9.125

9.25

1.125

1/4x1/8

2.5

5.5

0.3125

1

65

79

184T

9.125

9.25

1.125

1/4x1/8

2.5

5.5

0.3125

1

80

95

213T

10.75

10.875

1.375

5/16x5/32

3.125

6.875

0.3125

1

120

140

215T

10.75

10.875

1.375

5/16x5/32

3.125

6.875

0.3125

1

140

160

254T

12.625

12.75

1.625

3/8x3/16

3.75

8.25

0.375

1.25

200

235

256T

12.625

12.75

1.625

3/8x3/16

3.75

8.25

0.375

1.25

235

270

284T

14

14.375

1.875

1/2x1/4

4.375

9.375

0.375

1.5

295

370

284TS

14

14.375

1.625

3/8x3/16

3

8

0.375

1.5

255

340

286T

14

14.375

1.875

1/2x1/4

4.375

9.375

0.375

1.5

340

405

286TS

14

14.375

1.625

3/8x3/16

3

8

0.375

1.5

295

395

324T

16

16.625

2.125

1/2x1/4

5

10.5

0.5

1.75

440

520

324TS

16

16.625

1.875

1/2x1/4

3.5

9

0.5

1.75

445

500

326T

16

16.625

2.125

1/2x1/4

5

10.5

0.5

1.75

435

580

326TS

16

16.625

1.875

1/2x1/4

3.5

9

0.5

1.75

480

560

364T

18

18.5

2.375

5/8x5/16

5.625

11.75

0.5

1.75

605

755

364TS

18

18.5

1.875

1/2x1/4

3.5

9.625

0.5

1.75

670

740

365T

18

18.5

2.375

5/8x5/16

5.625

11.75

0.5

1.75

665

835

365TS

18

18.5

1.875

1/2x1/4

3.5

9.625

0.5

1.75

730

820

404T

20

20.625

2.875

3/4x3/8

7

13.875

0.625

2.25

830

1050

404TS

20

20.625

2.125

1/2x1/4

4

10.875

0.625

2.25

870

1050

405T

20

20.625

2.875

3/4x3/8

7

13.875

0.625

2.25

930

1160

405TS

20

20.625

2.125

1/2x1/4

4

10.875

0.625

2.25

950

1150

444T

22.375

23.125

3.375

7/8x7/16

8.25

16

0.625

2.25

1165

1440

444TS

22.375

23.125

2.375

5/8x5/16

4.5

12.25

0.625

2.25

1050

1440

445T

22.375

23.125

3.375

7/8x7/16

8.25

16

0.625

2.25

1370

1650

445TS

22.375

23.125

2.375

5/8x5/16

4.5

12.25

0.625

2.25

1250

1615

447T

22.375

23.125

3.375

7/8x7/16

8.25

16

0.625

2.25

1800

2260

447TS

22.375

23.125

2.375

5/8x5/16

4.5

12.25

0.625

2.25

1800

2260

56

6.875

0.625

3/16x3/32

1.875

4.625

0.25

1

182

9

9

0.875

3/16x3/32

2

5

0.3125

1

60

70

184

9

9

0.875

3/16x3/32

2

5

0.3125

1

70

80

213

10.5

10.625

1.125

1/4x1/8

2.75

6.5

0.3125

1

105

125

215

10.5

10.625

1.125

1/4x1/8

2.75

6.5

0.3125

1

115

140

254U

12.625

13.125

1.375

5/16x5/32

3.5

8

0.375

1.25

180

210

256U

12.625

13.125

1.375

5/16x5/32

3.5

8

0.375

1.25

210

245

284U

14

14.625

1.625

3/8x3/16

4.625

9.625

0.375

1.5

280

330

286U

14

14.625

1.625

3/8x3/16

4.625

9.625

0.375

1.5

325

365

324U

16

16.75

1.875

1/2x1/4

5.375

10.875

0.5

1.75

380

480

324S

16

16.75

1.625

3/8x3/16

3

8.5

0.5

1.75

380

480

326U

16

16.75

1.875

1/2x1/4

5.375

10.875

0.5

1.75

430

560

326S

16

16.75

1.625

3/8x3/16

3

8.5

0.5

1.75

430

560

364U

18.25

18.75

2.125

1/2x1/4

6.125

12.25

0.5

1.75

525

720

364US

18.25

18.75

1.375

1/2x1/4

3.5

9.625

0.5

1.75

670

710

365U

18.25

18.75

2.125

1/2x1/4

6.125

12.25

0.5

1.75

580

785

365US

18.25

18.75

1.875

1/2x1/4

3.5

9.625

0.5

1.75

730

780

404U

20.25

20.875

2.375

5/8x5/16

6.875

13.75

0.625

2.25

725

965

404US

20.25

20.875

2.125

1/2x1/4

4

10.875

0.625

2.25

860

1075

405U

20.25

20.875

2.375

5/8x5/16

6.875

13.75

0.625

2.25

810

1110

405US

20.25

20.875

2.125

1/2x1/4

4

10.875

0.625

2.25

970

1165

444U

22.25

23.125

2.875

3/4x3/8

8.375

16.125

0.625

2.25

985

1315

444US

22.25

23.125

2.125

1/2x1/4

4

11.75

0.625

2.25

1175

1355

445U

22.25

23.125

2.875

3/4x3/8

8.375

16.125

0.625

2.25

1135

1550

445US

22.25

23.125

2.125

1/2x1/4

4

11.75

0.625

2.25

1340

1620