ANSI Standard Roller Chains
Simplex 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
Conneting Pin 
Width
Overall
Width
Inner
Plate
Height
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
(min.)
kgf
kg/m
$ B 25
25
04C
6.35
3.18
3.30
2.31
7.90
8.70
-
-
5.96
350
0.14
$ B 35
35
06C-1
9.525
4.77
5.08
3.58
12.15
13.10
13.60
14.80
8.66
1030
0.40
R 40
40
08A-1
12.70
7.90
7.95
3.96
16.80
17.90
18.10
19.85
11.71
1440
0.69
R 50
50
10A-1
15.875
9.55
10.16
5.08
20.60
21.90
22.20
23.75
15.00
2270
1.04
R 60
60
12A-1
19.05
12.70
11.90
5.94
25.60
26.75
-
28.60
18.00
3245
1.57
R 80
80
16A-1
25.40
15.75
15.88
7.92
32.20
33.90
36.0
38.0
23.80
5780
2.85
R 100
100
20A-1
31.75
18.90
19.05
9.53
40.10
-
43.70
45.35
29.40
9030
4.57
R 120
120
24A-1
38.10
25.22
22.23
11.10
49.80
-
54.70
56.40
36.30
12950
5.91
R 140
140
28A-1
44.45
25.50
25.40
12.70
54.30
-
58.80
59.70
42.30
17580
7.96
R 160
160
32A-1
50.80
31.55
28.57
14.27
65.10
-
69.10
69.30
48.30
23130
10.30
R 180
180
36A-1
57.15
35.80
35.75
17.45
73.0
-
71.50
83.00
54.30
28695
13.20
R 200
200
40A-1
63.50
38.20
39.68
19.84
80.0
-
86.40
90.30
60.10
36070
15.60
R 240
240
48A-1
76.20
47.70
47.63
23.80
95.40
-
104.90
105.50
72.30
53965
24.61
# Straight side plate Chain