MODEL
D
N
HORIZONTAL SHAFT U
AJ
AK
BB
BD
BE
BF
NOM
ACT.
KEYWAY
C20
6 3/4
2 5/8
1 1/4
1.249
5/16 x 5/32
9 1/8
8 1/4
3/16
10
5/8
7/16
C30
6 3/4
2 5/8
1 1/4
1.249
5/16 x 5/32
9 1/8
8 1/4
3/16
10
5/8
7/16
C40A
8 1/2
4 3/8
1 1/2
1.499
3/8 x 3/16
9 1/8
8 1/4
1/4
12
13/16
7/16
C40B
8 1/2
4 3/8
1 1/2
1.499
3/8 x 3/16
14 3/4
13 1/2
1/4
16 1/2
13/16
 11/16
C60A
11 1/2
4 1/4
1 1/2
1.499
3/8 x 3/16
14 3/4
13 1/2
1/4
16 1/2
3/4
11/16
C80A
11 1/2
4 1/4
1 7/8
1.874
3/8 x 3/16
14 3/4
13 1/2
1/4
16 1/2
3/4
11/16
C100A
11 1/2
4 1/4
1 7/8
1.874
3/8 x 3/16
14 3/4
13 1/2
1/4
16 1/2
3/4
11/16
C125A
11 1/2
4 1/4
1 7/8
1.874
3/8 x 3/16
14 3/4
13 1/2
1/4
16 1/2
3/4
11/16
C150A
11 1/2
4 1/2
2 7/16
2.436
5/8 x 5/16
14 3/4
13 1/2
1/4
16 1/2
3/4
11/16
C200A
13 3/4
5 1/4
2 7/16
2.436
5/8 x 5/16
18 1/4
13 1/2
1/4
20
1 1/8
11/16
C250
13 3/4
5 1/4
2 15/16
2.936
3/4 x 3/8
18 1/4
13 1/2
1/4
20
1 1/8
11/16
*C300
13 3/4
5 1/4
2 15/16
2.936
3/4 x 3/8
18 1/4
13 1/2
1/4
20
1 1/8
11/16
*C350
13 3/4
5 1/4
2 15/16
2.936
3/4 x 3/8
18 1/4
13 1/2
1/4
20
1 1/8
11/16
C450A
16
6
2 15/16
2.936
3/4 x 3/8
23
13 1/2
1/4
24 1/2
1 1/8
13/16
C500A
16
6
3 1/8
3.124
3/4 x 3/8
23
13 1/2
1/4
24 1/2
1 1/8
13/16
C600A
16
6
3 3/4
3.749
7/8 x 7/16
23
13 1/2
1/4
24 1/2
1 1/8
13/16
C750A
18
6
3 3/4
3.749
7/8 x 7/16
23
13 1/2
1/4
24 1/2
1 1/8
13/16
C1000G
21
8
4
3.998
1 x 1/2
28 3/4
22
1/4
30 1/2
1 1/4
13/16

MODEL
XA
XB
XC
XL
XM
XN
XO
XQ
XR
XS
XT
MAX BX**
C20
10 7/8
---
---
9/32
12 1/4
12 1/2
5 1/2
5 1/4
1/2
1 1/2
7/16
1
C30
10 7/8
---
---
9/32
12 1/4
12 1/2
5 1/2
5 1/4
1/2
1 1/2
7/16
1
C40A
15 5/8
---
---
9/32
16 3/16
16
6 1/2
7
5/8
2
5/8
1 1/4
C40B
15 5/8
---
---
9/32
16 3/16
16
6 1/2
7
5/8
2
5/8
1 1/4
C60A
16 3/4
---
---
9/32
20 1/4
18
7 13/16
7 3/4
3/4
2 1/4
3/4
1 1/2
C80A
16 3/4
---
---
9/32
20 3/8
18
7 13/16
7 3/4
3/4
2 1/4
3/4
1 1/2
C100A
16 3/4
---
---
9/32
20 3/8
18
7 13/16
7 3/4
3/4
2 1/4
3/4
1 1/2
C125A
16 3/4
---
---
9/32
20 3/8
18
7 13/16
7 3/4
3/4
2 1/4
3/4
1 1/2
C150A
18 3/4
---
---
9/32
20 3/8
18
8 13/16
9
3/4
2 1/4
3/4
1 11/16
C200A
20 3/4
14 3/4
5/8-11 NC
9/32
24 7/8
20
9 3/16
10
7/8
2 3/4
7/8
2
C250
22 3/8
14 3/4
5/8-11 NC
9/32
25 1/16
20
9 11/16
10
7/8
2 3/4
7/8
2 3/16
*C300
22 3/8
14 3/4
5/8-11 NC
9/32
25 1/16
20
9 11/16
10
7/8
2 3/4
7/8
2 3/16
*C350
22 3/8
14 3/4
5/8-11 NC
9/32
25 1/16
20
9 11/16
10
7/8
2 3/4
7/8
2 3/16
C450A
125 1/2
14 3/4
5/8-11 NC
9/32
30 1/8
27
12
11 1/2
1 1/8
3 1/2
1
2 7/16
C500A
125 1/2
14 3/4
5/8-11 NC
9/32
30 1/8
27
12
11 1/2
1 1/8
3 1/2
1
2 7/16
C600A
125 1/2
14 3/4
5/8-11 NC
9/32
30 1/8
27
12
11 1/2
1 1/8
3 1/2
1
2 7/16
C750A
126 3/4
14 3/4
5/8-11 NC
9/32
34 1/4
27
12 1/4
11 1/2
1 1/8
3 1/2
1 1/8
2 7/16
C1000G
36 7/8
26
3/4-10 NC
7/16
42
30
14 9/16
15
1 1/4
4
1 1/4
2 15/16

1"XA" dimension shown applies to 1:1 ratio and speed increasing ratios only. Request certified drawing for others.

* Models 300 and 350 furnished with heat exchanger.

** Contact the factory for maximum coupling bore for special rotation drive with 1:2, 2:5 and 1:3 ratio.