Shaft 

Diameter

Expansion

Fixed

A O.D.

B

Cartridge 

Housing 

Width

D

M

U

W

Y

Total Axial 

Expansion

Approx. 

Weight

Part 

Number

Part 

Number

1 11/16

CEU3K27

CU3K27

5.0000

2 1/32

2 17/32

2 11/16

1 35/64

1 31/32

19/32

1/4

7.70

1 15/16

CEU3K31

CU3K31

5.3750

2 3/16

2 19/32

2 31/32

1 37/64

2 3/16

11/16

9/32

9.70

2 3/16

CEU3K35

CU3K35

6.5620

2 3/4

3 1/32

3 3/8

1 53/64

2 5/8

13/16

7/32

17.00

2 7/16

CEU3K39

CU3K39

6.9690

3

3 3/16

3 7/8

1 15/16

2 3/4

13/16

7/32

19.70

2 11/16

CEU3K43

CU3K43

7.5940

3 3/16

3 5/16

4 5/32

2

3

1

11/32

26.90

2 15/16

CEU3K47

CU3K47

8.3750

3 9/16

3 17/32

4 13/32

2 1/8

3 9/32

1

11/32

35.50

3 7/16

CEU3K55

CU3K55

9.3750

4 1/16

3 31/32

5 3/16

2 27/64

3 11/16

1

11/32

49.50