ATRA-FLEX Catalog 2025

COUPLINGS ARE MADE TO ORDER

T-SERIES

FLYWHEEL COUPLINGS

G

L5

L3

FIGURE 9 Flywheel

L6

BC

MB FH D2 D3 D1

D5

BC

D4

D5

CH

E

L4

SIZE T0

T1

T2

T3

T4

T5

T6

T7

T8

T9

T10 T11

T12

D1 G MBFH RSB E

6.230

7.275

8.500

9.760

13.835

1.860

2.300

11.325

12.325

2.865

5.115

4.115

3.250

11.900

13.600

14.625

18.020

28.500

2.950

3.960

19.950

23.250

4.800

9.765

7.800

6.290

5.500

6.250

7.125

9.000

12.000

1.375

1.750

10.000

11.250

2.250

4.500

3.375

2.500

1.500

1.750

2.400

2.900

3.900

.300

.430

3.700

3.900

.500

1.000

.950

.625

.180

.200

.200

.200

.275

.100

.100

.200

.250

.100

.180

.180

.100

D2 D3 L1 L4 L5 L6

7.875

9.250

10.167

12.775

1.995

18.500

2.585

14.625

16.000

3.200

6.500

4.900

4.000

8.515

10.065

10.435

13.780

20.988

2.050

2.820

15.710

17.875

3.500

7.350

5.650

4.500

5.000

6.000

7.000

8.000

11.000

1.375

1.750

9.000

10.000

2.250

4.000

3.250

2.500

3.940

4.815

5.690

6.440

8.440

.980

1.293

6.875

7.900

1.730

3.065

2.565

1.825

1.000

1.125

1.250

1.500

2.500

.375

.4375

2.000

2.000

.500

.875

.625

.625

2.715

3.795

3.900

4.385

6.425

.885

1.165

5.185

6.100

1.165

2.875

2.375

1.500

SAE 6.5

8

10 11.5 14 16

18 21

24

D5

13.875 13.125 .375 .3906 8

20.375 19.250 .625 .5156 8

22.500 21.375 .750 .6406 6

26.500 25.250 .750 .6406 12

28.875 27.250 .750 .7656 12

8.500 9.500 10.375 12.375

18.375 17.250 .375 .5156 8

BC

7.875 8.750 9.625 11.625

L4

.3125 .3125 .375 .375

CH

.3281

.3281

.3906 .3906

CHX

6

8

6

8

Note:

spacer bodies can be added.

12

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