Shaft Diameter

Fixed

Expansion

A

Base to 

Centerline Height

B

Distance 

Between Bolt Holes

C

D

E

F

Bolts

G

Bolt Hole Spacing (Width)

H

L

M

P

S

U

W

X

Approx. Weight

Part Number

Part Number

Min

Max

1-15/16

P4B-115-T

P4B-115-TE

2.25

6.06

6.44

7.70

2.84

3.00

1/2

1.59

1.31

4.50

2.88

1.05

0.81

1.95

2.22

0.26

8.61

2-3/16

P4B-203-T

P4B-203-TE

2.50

6.56

6.94

8.36

2.99

3.25

1/2

1.69

1.50

5.00

3.25

0.95

0.81

2.06

2.33

0.26

12.24

2-7/16

P4B-207-T

P4B-207-TE

2.75

6.94

7.31

8.74

3.55

3.38

1/2

1.75

1.63

5.59

3.55

1.12

0.81

2.42

2.69

0.34

15.25

2-1/2

P4B-208-T

P4B-208-TE

2-11/16

P4B-211-T

P4B-211-TE

3.25

7.94

8.31

9.86

3.65

3.75

5/8

1.88

1.88

6.44

4.04

1.09

0.94

2.48

2.75

0.35

21.83

2-15/16

P4B-215-T

P4B-215-TE

3-7/16

P4B-307-T

P4B-307-TE

3.75

9.38

10.62

12.40

4.12

4.50

3/4

2.00

2.25

7.56

4.90

1.13

1.50

2.71

2.98

0.34

35.70

3-1/2

P4B-308-T

P4B-308-TE

3-15/16

P4B-315-T

P4B-315-TE

4.25

12.13

12.87

14.75

4.64

4.50

3/4

2.25

2.44

8.44

5.63

1.08

1.25

3.05

3.35

0.34

50.41

4-7/16

P4B-407-T

P4B-407-TE

4.75

13.00

14.00

16.50

5.14

4.75

3/4

2.50

2.75

9.63

6.19

1.39

1.38

3.26

3.56

0.34

67.83