Coupling

Straight

Taper-Lock

Max.RPM

Weight(Lbs.)(1)

Min.

Max.

Min.

Max.

Without Cover

With Cover

Str.

TL

4012
4016
5012
5016

1/2
5/8
5/8
5/8

7/8
15/16
11/8
111/16

-
1/2
-
-

-
11/8
-
-

875
875
875
800

5000
5000
-
4000

2.2
3.8
3.1
5.0

-
2.7
-
-

5018
6018
6020
8018

3/4
1
11/8
11/8

2
27/16
23/4
31/8

1/2
-
1/2
-

111/16
-
21/8
-

800
675
675
500

4000
3000
3000
2000

6.0
9.9
12.25
31.10

6.0
-
12.7
-

8020
10020
12018
12020

11/2
2
2
-

39/16
45/8
411/16
-

7/8
13/16
-
17/16

31/4
315/16
-
47/16

500
450
400
400

2000
1800
-
1600

33.5
80.0
110.0
-

31.1
77.9
-
135.0

Coupling
Size

A

B

C

D

E

K(2)

J(3)

Str.

T-L

Str.

T-L

Str.

T-L

4012
4016
5012
5016
5018

2.41
3.03
3.00
3.91
4.19

2.53
2.53
2.88
2.88
2.88

-
1.94
-
-
2.31

1.41
1.97
1.75
2.50
2.97

1.13
1.13
1.25
1.44
1.69

-
0.88
-
-
1.00

0.28
0.28
0.38
0.38
0.38

-
0.19
-
-
0.31

-
0.75
-
-
1.06

-
0.63
-
-
0.41

6018
6020
8018

5.00
5.50
6.66

3.47
3.47
4.59

-
2.94
-

3.50
3.88
4.56

1.88
2.00
2.38

-
1.25
-

0.47
0.47
0.59

-
0.44
-

-
1.38
-

-
0.94
-

8020
10020
12018
12020

7.30
9.13
10.00
10.94

4.59
6.97
7.88
-

4.50
7.63
-
8.75

5.38
6.72
6.75
7.75

2.63
3.13
3.50
-

2.00
3.50
-
4.00

0.59
0.72
0.86
-

0.50
0.63
-
0.75

2.06
2.34
-
3.38

1.19
1.31
-
1.63

Coupling

COUPLING HUBS

Dimendion Inches

WT.LBS

A

B

C

D

Stock Bore

E

Min.Bore

Max.Bore

C070-C225

1 23/64-4 1/4

2- 5 3/8

1/2-1

3/4-2  3/16

1/4-3/4

4 1/2-5

.59-12.28

.54-9.60

PERFORMANCE

Coupling Size

Max.Bore

Max.RPM

Toroue in.Lbs.

Horsepower Capacities At Indicated Speeds

50

100

300

600

900

1200

1800

3600

C070-C225

3/4-2 3/8

14000-4200

44.1-2332

.35-1.85

.07-3.70

.21-11.1

.42-22.2

.63-33.3

.84-44.4

1.26-66.6

2.52-133.2

Size

Common Dimensions

Type F & H

Type B

A

B

E

F1

G

Bush Size

Max.Bore

C

D

J

Bore Dia's

Screw
over key

C

ins.

Max.

Preferred

Min.

70
90
110
130
150
180
230
280
320*
370*
420*

69
85
112
139
150
180
225
275
320
370
420

60
70
100
105
115
125
155
206
300
320
380

31
32
45
50
62
77
99
119
-
-
-

25
30.5
45
53
60
73
85.5
105.5
95
103
103

18
22.5
29
36
40
49
59.5
74.5
49
49
49

1008
1108
1610
1610
2012
2517
3020
3525
4030
4535
5040

25
28
42
42
50
60
75
100
115
125
125

1"
11/8"
15/8"
18/8"
2"
21/2"
3"
4"
41/2"
5"
5"

20.6
19.5
18.5
18.0
23.5
34.5
39.5
51.0
60.0
73.0
81.0

23.5
23.5
26.5
26.5
33.5
46.5
52.5
66.5
80.0
93.0
106.0

29
29
38
38
42
48
55
67
80
89
92

32
42
55
60
70
80
100
115
-
-
-

24.28
38.42
42.48
55.60
60.65
65.75
80
-
-
-
-

0
0
0
0
0
0
48
60
-
-
-

M6
M6
M10
M10
M10
M10
M12
M16
-
-
-

20
26
37
47
50
58
77
90
-
-
-

23.5
30
45
55.5
60
70
90
105.5
-
-
-