Shaft Diameter

Expansion

Fixed

B

Distance Between 

Bolt Holes

L

Mounting Surface to Collar Face

D

E

F

Bolts

G

H

J

M

N

P

Total Axial Expansion

Approx. Weight

Part Number

A

Part Number

A

1 11/16

FEU3K27

5 15/16

FU3K27

5 1/2

5 1/8

2 27/32

2 17/32

6 1/2

5/8

21/64

11/16

3 17/64

2 11/16

8 5/8

17/32

1/4

12.00

1 15/16

FEU3K31

6 3/8

FU3K31

6

5 3/4

2 61/64

2 19/32

7 5/16

3/4

23/64

3/4

3 9/16

2 31/32

9 11/16

25/64

9/32

17.60

2 3/16

FEU3K35

7 3/4

FU3K35

7 5/16

7

3 35/64

3 1/32

8 7/8

7/8

17/32

7/8

4 11/32

3 3/8

11 25/32

21/64

7/32

26.90

2 7/16

FEU3K39

8 1/4

FU3K39

7 7/8

7 1/4

3 7/8

3 3/16

9 1/16

7/8

11/16

7/8

4 11/16

3 7/8

12 1/16

7/32

7/32

30.80

2 15/16

FEU3K47

9 7/8

FU3K47

9 1/4

8 1/2

4 3/8

3 17/32

11

1

27/32

1 1/4

5 17/32

4 13/32

14 17/32

7/32

11/32

49.70

3 7/16

FEU3K55

10 15/16

FU3K55

10 3/8

9 1/2

4 59/64

3 31/32

12 1/8

1 1/8

15/16

1 3/8

6 3/16

5 3/16

16 1/16

15/64

11/32

65.30