Shaft 

Diameter

Part Number

A

Pilot 

Diameter

B

Bolt Hole 

Circle Diameter

L

Mounting 

Surface to 

Collar Face

C

D

F

Bolts

G

H

M

U

Y

Approx. 

Weight

2 1/4

FC3CL236N*Δ■

5.500

6 1/2

1 39/64

7 5/8

2 19/32

9/16

-

1

4 3/16

7/8

2 1/4

12.00

2 3/8

FC3CL238N*Δ■

2 7/16

FC3CL239N*Δ■

60.00

FC3CL2M60N*Δ■

139.700

165.10

40.88

193.70

65.88

14.00

-

25.40

106.36

22.20

57.15

5.40

2 1/2

FC3CL240N*Δ

6.375

7 1/2

1 7/8

8 3/4

2 3/4

5/8

3/16

1 3/16

4 51/64

1 1/16

2 23/64

17.00

2 11/16

FC3CL243N*Δ

65.00

FC3CL2M65N*Δ

161.920

190.50

222.20

16.00

4.80

30.20

27.00

7.65

2 3/4

FC3CL244N*Δ

6.375

7 1/2

1 55/64

8 3/4

2 29/32

5/8

3/16

1 1/16

5 1/4

1 1/4

2 23/64

17.70

2 15/16

FC3CL247N*Δ

3

FC3CL2E48N*Δ

75.00

FC3CL2M75N*Δ

161.920

190.50

222.20

16.00

4.80

27.00

31.80

8.00

3 7/16

FC3CL255N*Δ

7.375

8 5/8

2 7/16

10 1/4

3 39/64

3/4

-

1 5/8

5 23/32

1 5/32

3 1/8

34.00

3 1/2

FC3CL2E56N*Δ

85.00

FC3CL2M85N*Δ

187.320

219.08

260.40

20.00

-

41.30

29.40

15.30

3 15/16

FC3CL263N*

8.120

9 3/8

3 11/16

10 7/8

4 7/64

3/4

-

2 1/8

6 31/64

1 1/8

3 27/64

41.80

4

FC3CL2E64N*

100.00

FC3CL2M100N*

206.250

238.12

276.20

20.00

-

54.00

28.60

18.80