Shaft 

Diameter

Part Number

A

Base to 

Centerline 

Height

B

Distance 

Between 

Bolt Holes

C

D

E

F

Bolts

H

K

L

U

Radial 

Load 

Rating

Approx.

 Weight

Min

Max

1/2

PSS2B08E♦● □Δ

7/8

2 1/2

2 7/8

3 5/8

63/64

1

5/16

3/4

13/16

1 3/4

41/64

300

0.50

5/8

PSS210E♦● □Δ

0.46

11/16

PSS211E♦● □Δ

0.44

3/4

PSS212E♦● □Δ

1

2 7/8

3 1/8

4 1/8

1 1/8

1

3/8

7/8

59/64

2 1/16

23/32

350

0.63

20.00

PSS2M20E♦●□Δ

25.40

73.00

79.40

104.80

28.58

25.40

10.00

22.20

23.42

52.40

18.30

1,560

0.30

7/8

PSS214E♦● □Δ

1 1/8

3 3/16

3 9/16

4 1/2

1 11/64

1 1/8

3/8

3/4

1 1/16

2 7/32

3/4

400

0.81

15/16

PSS215E♦● □Δ

0.78

1

PSS216E♦● □Δ

0.75

25.00

PSS2M25E♦●□Δ

28.58

81.00

90.50

114.30

29.77

28.60

10.00

19.00

27.00

56.40

19.00

1,780

0.30

1 1/8

PSS218E♦● □Δ

1 5/16

3 9/16

3 15/16

4 7/8

1 11/32

1 1/8

3/8

7/8

1 3/16

2 5/8

7/8

600

1.19

1 3/16

PSS219E♦● □Δ

1.14

1 1/4

PSS2E20E♦● □Δ

1.11

30.00

PSS2M30E♦●□Δ

33.32

90.50

100.00

123.80

34.14

28.60

10.00

22.20

30.16

66.70

22.20

2,670

0.50

1 1/4

PSS220E♦● □Δ

1 9/16

3 15/16

4 7/16

5 3/4

1 9/16

1 1/4

1/2

1

1 3/16

3 1/8

1

800

1.65

1 3/8

PSS222E♦● □Δ

1.55

1 7/16

PSS223E♦● □Δ

1.50