Shaft Diameter

Expansion

Fixed

A

Pilot Diameter

B

Bolt Hole Circle Diameter

L

Mounting Surface to Collar Face

C

D

F

Bolts

H

J

K

M

P

U

Y

Total Axial Expansion

Approx. Weight

Part Number

Part Number

1 11/16

FCEU3K27

FCU3K27

6.000

7

1 5/16

8 1/8

2 17/32

1/2

9/16

1 13/64

2 1/8

2 11/16

39/64

7/8

1 23/32

1/4

14.80

1 15/16

FCEU3K31

FCU3K31

6.375

7 5/8

1 17/64

9

2 19/32

5/8

5/8

1 5/16

2 9/32

2 31/32

25/64

15/16

1 7/8

1/4

20.90

2 3/16

FCEU3K35

FCU3K35

7.750

9

1 29/64

10 3/8

3 1/32

5/8

3/4

1 9/16

2 27/32

3 3/8

3/8

1 1/8

2 1/4

13/32

30.50

2 7/16

FCEU3K39

FCU3K39

8.250

9 1/2

1 9/16

10 7/8

3 3/16

5/8

3/4

1 5/8

3 1/8

3 7/8

5/16

1 1/8

2 3/8

13/32

31.80

2 15/16

FCEU3K47

FCU3K47

9.875

11 3/8

1 5/8

12 7/8

3 17/32

3/4

7/8

1 29/32

3 11/16

4 13/32

7/32

1 1/4

2 25/32

13/32

55.00

3 7/16

FCEU3K55

FCU3K55

11.000

12 1/2

1 59/64

14

3 31/32

3/4

7/8

2 1/16

4 7/32

5 3/16

15/64

1 3/8

3 3/16

13/32

71.40