ANSI Standard Roller Chains
Duplex ANSI / ASME B 29.1M / DIN 8188 / ISO 606 & 1395

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ROLON
CHAIN NO.
ANSI
NO.

ISO/DIN
NO.
Pitch

Width 
between
Inner plates
Roller
Diameter
Pin
Diameter
Pin 
Width
Connecting Pin
Width
Overall
Width
Inner
Plate
Height
Traverse
Pitch
Ultimate
Tensile
Strength
Average
weight
Spring clip Cotter
P

mm
W
(min.)
mm 
d1
(max.)
mm
d2
(max.)
mm
b1
(max.)
mm
b2
(max.)
mm
b3
(max.)
mm
b4
(max.)
mm
h
(max.)
mm
e

mm
(min.)
kgf
kg/m
$ DB 35
35-2
06C-2
9.525
4.77
5.08
3.58
22.47
23.35
-
24.95
8.66
10.15
2050
0.71
DR 40
40-2
08A-2
12.70
7.90
7.95
3.96
31.20
32.30
-
34.25
11.71
14.38
2875
1.28
DR 50
50-2
10A-2
15.875
9.55
10.16
5.08
38.70
39.90
-
41.95
15.00
18.11
4540
2.05
DR 60
60-2
12A-2
19.05
12.70
11.90
5.94
48.30
49.50
-
51.85
18.00
22.78
6490
2.90
DR 80
80-2
16A-2
25.40
15.75
15.88
7.92
61.50
63.20
65.30
67.30
23.80
29.29
11560
5.25
DR 100
100-2
20A-2
31.75
18.90
19.05
9.53
75.90
-
79.50
81.05
29.40
35.76
18060
8.38
DR 120
120-2
24A-2
38.10
25.22
22.23
11.10
95.30
-
100.20
101.80
36.30
45.44
25900
11.75
DR 140
140-2
28A-2
44.45
25.50
25.40
12.70
103.20
-
107.70
108.70
42.30
48.87
35160
17.45
DR 160
160-2
32A-2
50.80
31.55
28.57
14.27
124.10
-
127.70
128.0
48.30
58.55
46250
20.45
DR 180
180-2
36A-2
57.15
35.80
35.75
17.45
138.90
-
145.30
145.40
54.30
65.84
57384
27.00
DR 200
200-2
40A-2
63.50
38.20
39.68
19.84
151.60
-
158.10
159.20
60.10
71.55
72150
32.70
DR 240
240-2
48A-2
76.20
47.70
47.63
23.80
183.25
-
192.75
193.30
72.30
87.83
107930
48.88
# Straight side plate Chain