Short pitch transmission precision roller chains(B series)
ISO BS CHAIN
No.
Pitch
Roller diameter
Width between inner plates
Bearing pin body diameter
Pin length
Width over
connecting
pin
Inner plate depth
Transv
erse pitch
Ultimate tensile strength
Average tensile strength
Weight per meter
P
d
1
max
b
1
1min
d
2
max
L
max
Lc
max
h
2
max
Pt
Q
min
Q
q
¡Ö
mm
mm
mm
mm
mm
mm
mm
mm
KN
KN
Kg/m
*06B-1
9.525
6.35
5.72
3.28
13.15
15.15
8.26
-
8.9
10.3
0.41
08B-1
12.7
8.51
7.75
4.45
16.95
19.05
11.81
-
17.8
19.6
0.69
10B-1
15.875
10.16
9.65
5.08
19.5
22.0
14.73
-
22.2
27.5
0.95
12B-1
19.05
12.07
11.68
5.72
22.5
25.1
16.13
-
28.9
33.3
1.15
16B-1
25.4
15.88
17.02
8.28
36.1
41.5
21.08
-
60.0
71.0
2.71
20B-1
31.75
19.05
19.58
10.19
42.4
47.6
26.42
-
95.0
101.8
3.70
24B-1
38.1
25.4
25.40
14.63
53.4
60.0
33.40
-
160.0
176.0
7.10
28B-1
44.45
27.94
30.99
15.9
65.1
72.5
37.08
-
200.0
215.6
8.50
32B-1
50.8
29.21
30.99
17.81
66.91
73.6
42.29
-
250.0
280.3
10.25
40B-1
63.5
39.37
38.10
22.89
82.6
91.3
52.69
-
355.0
392.0
16.35
48B-1
76.2
48.26
45.72
29.24
99.1
109.6
63.88
-
560.0
599.2
25.0
*06B-2
9.525
6.35
5.72
3.28
23.4
27.1
8.26
10.24
16.9
18.1
0.72
08B-2
12.7
8.51
7.75
4.45
31.0
33.0
11.81
13.92
31.1
37.4
1.34
10B-2
15.875
10.16
9.65
5.08
36.1
38.6
14.73
16.59
44.5
54.2
1.84
12B-2
19.05
12.07
11.68
5.72
42.0
44.4
16.13
19.46
57.8
66.6
2.31
16B-2
25.4
15.88
17.02
8.28
68.0
73.4
21.08
31.88
106.0
126.5
5.42
20B-2
31.75
19.05
19.58
10.19
79.7
83.6
26.42
36.45
170.0
210.0
7.20
24B-2
38.1
25.4
25.40
14.63
101.8
108.4
33.40
48.36
280.0
305.0
13.40
28B-2
44.45
27.94
30.99
15.9
124.7
132.1
37.08
59.56
360.0
390.5
16.60
32B-2
50.8
29.21
30.99
17.81
125.46
132.4
42.29
58.55
450.0
487.5
21.0
40B-2
63.5
39.37
38.10
22.89
154.5
163.8
52.69
72.29
630.0
680.2
32.0
48B-2
76.2
48.26
45.72
29.24
190.4
200.9
63.88
91.21
1000.0
1070.0
50.0
*06B-3
9.525
6.35
5.72
3.28
33.5
37.3
8.26
10.24
24.9
29.8
1.16
08B-3
12.7
8.51
7.75
4.45
44.9
47.2
11.81
13.92
44.5
50.2
2.03
10B-3
15.875
10.16
9.65
5.08
52.7
55.6
14.73
16.59
66.7
79.8
2.77
12B-3
19.05
12.07
11.68
5.72
61.5
65.2
16.13
19.46
86.7
101.8
3.46
16B-3
25.4
15.88
17.02
8.28
99.8
105.3
21.08
31.88
160.0
190.0
8.13
20B-3
31.75
19.05
19.58
10.19
114.55
121.2
26.42
36.45
250.0
276.2
10.82
24B-3
38.1
25.4
25.40
14.63
150.2
156.8
33.40
48.36
425.0
480.0
24.92
28B-3
44.45
27.94
30.99
15.9
184.3
191.7
37.08
59.56
530.0
580.0
20.10
32B-3
50.8
29.21
30.99
17.81
184.01
191.0
42.29
58.55
670.0
720.2
31.56
40B-3
63.5
39.37
38.10
22.89
226.8
236.1
52.69
72.29
950.0
1020.0
48.1
48B-3
76.2
48.26
45.72
29.24
281.6
292.0
63.88
91.21
1500.0
1590.0
75.0