American Standard (Ansi) Roller Chain Size Chart Page 2
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1
2American Standard (ANSI) Roller Chain
(All dimensions in inches)
Connector links are wider than chain sections. Overall
Triple Roller Chain
dimensions may vary depending on manufacturer.
Between
C.L.
Average
ANSI
Ametric®
Inner
Roller
Chain
Width
Strength(lbs)
Chain
Chain
ISO
Pitch
Plates
Diameter
Width
Extension
Weight
ANSI Stan-
No.
No.
No.
p
b1
d1
l
k
lbs/ft
dard
25-3
25-3
04 C-3
1/4
0.125
0.130
0.827
0.020
0.095
2,864
35-3
35-3
06 C-3
3/8
0.188
0.200
1.287
0.031
0.704
6,500
40-3
40-3
08 A-3
1/2
0.309
0.313
1.787
0.047
1.274
11,364
50-3
50-3
10 A-3
5/8
0.370
0.400
2.244
0.059
2.072
17,682
60-3
60-3
12 A-3
3/4
0.495
0.469
2.815
0.071
3.044
25,250
80-3
80-3
16 A-3
1
0.620
0.625
3.610
0.075
5.291
45,090
100-3
100-3
20 A-3
1 1/4
0.744
0.750
4.417
0.161
7.893
70,363
120-3
120-3
24 A-3
1 1/2
0.993
0.875
5.567
0.150
11.755
99,362
140-3
140-3
28 A-3
1 3/4
0.993
1.000
5.992
0.181
14.887
134,839
160-3
160-3
32 A-3
2
1.242
1.124
7.157
0.189
20.130
177,407
180-3
180-3
36 A-3
2 1/4
1.397
1.406
8.047
0.228
25.629
223,543
200-3
200-3
40 A-3
2 1/2
1.490
1.562
8.799
0.272
32.878
276,769
240-3
240-3
48 A-3
3
1.864
1.875
10.681
0.287
48.013
399,200
GROUP 105
P
P
d1
d2
d1
d2
®
American Metric
Corporation
Ametric
Group: 105
®
1-105-060213
60
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