GRAPHALLOY® Type 318
4 BOLT SELF-ALIGNING FLANGE BLOCK
Stainless Steel Housing (304): shaft sizes ½ to 1½
These stainless steel flange blocks are commonly used in dampers, louvers, and shutter installations. The stainless steel housing makes these flange blocks ideal for wash down and other harsh applications.
Metric shaft sizes and FDA accepted bushing grades are
available. Replacement inserts are sold separately.
Inches
Millimeter Conversion -Bearings to metric standards are available, let us know what you need
Part Number
Shaft O.D.
A
B
C
D
E
F
G
H
318-08
1/2
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-10
5/8
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-12
3/4
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-14
7/8
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-16
1
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-17
1-1/16
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-18
1-1/8
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-19
1-3/16
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-20
1-1/4
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-21
1-5/16
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-22
1-3/8
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-23
1-7/16
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
318-24
1-1/2
1-13/16
1-23/32
2-11/16
3-5/8
2-3/4
3-5/8
2-3/4
Part Number
Shaft O.D.
A
B
C
D
E
F
G
H
318-08
12.70
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-10
15.88
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-12
19.05
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-14
22.23
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-16
25.40
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-17
26.99
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-18
28.58
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-19
30.16
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-20
31.75
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-21
33.34
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-22
34.93
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-23
36.51
46.04
43.66
68.26
92.08
69.85
92.08
69.85
318-24
38.10
46.04
43.66
68.26
92.08
69.85
92.08
69.85