Cross Morse British Standard Precision Roller Chain Size Chart
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1
2
3British Standard Precision
Roller Chain
Conforming to ISO 606 and DIN 8187
CROSS+MORSE
Simplex Roller Chains
Cat No.†
Pitch
Inside
Roller
Pin
Plate
Pin
Con
Transverse
Bearing
Tensile
Approx
P
Width
Dia.
Dia.
Depth
Length
Pin Ext.
Pitch
Area
Strength
Weight
b min
d
max.
d
max.
g
l
max.
k
e
1
2
1
mm
mm
mm
mm
mm
mm
mm
cm
N
kg/m
2
04 B†
6mm
2.80
4.00
1.85
5.0
7.4
2.9
0.07
3,000
0.12
05 B–1
8mm
3.00
5.00
2.31
7.1
8.6
3.1
0.11
4,600
0.18
06 B–1
/
inch
5.72
6.35
3.28
8.3
12.8
2.2
0.28
9,100
0.41
3
8
08 B–1
/
inch
7.75
8.51
4.45
11.8
16.2
2.1
0.50
18,200
0.70
1
2
081–1
/
inch
3.30
7.75
3.66
9.9
10.2
1.5
0.21
8,200
0.28
1
2
083–1
/
inch
4.88
7.75
4.09
10.3
12.9
1.5
0.32
12,000
0.42
1
2
084–1
/
inch
4.88
7.75
4.09
11.1
14.8
1.5
0.35
16,000
0.59
1
2
08L †
/
inch
6.40
7.75
3.97
11.5
15.1
2.0
0.38
16,000
0.53
1
2
08N †
/
inch
4.88
7.75
3.66
9.9
10.9
2.8
0.28
8,200
0.33
1
2
086 †
/
inch
5.21
8.51
4.45
11.6
15.0
3.9
0.39
18,200
0.62
1
2
101 †
/
inch
6.48
10.16
5.08
15.0
16.0
3.5
0.51
22,700
0.80
5
8
10 B–1
/
inch
9.65
10.16
5.08
14.7
18.6
2.2
0.67
22,700
0.96
5
8
12 B–1
/
inch
11.68
12.07
5.72
16.1
21.9
2.6
0.89
29,000
1.23
3
4
16 B–1
1 inch
17.02
15.88
8.28
21.1
35.6
3.1
2.10
64,000
2.60
20 B–1
1
/
inch
19.56
19.05
10.19
26.3
41.0
3.1
2.95
98,000
3.70
1
4
24 B–1
1
/
inch
25.40
25.40
14.63
33.3
53.4
3.5
5.54
170,000
6.90
1
2
28 B–1
1
/
inch
30.99
27.94
15.90
37.0
65.8
3.6
7.40
200,000
8.60
3
4
32 B–1
2 inch
30.99
29.21
17.78
40.6
64.8
3.8
8.11
260,000
9.50
† Cat No. equates to ISO 606 Chain ref. except where indicated, which are chains to factory std.
Duplex Roller Chains
Cat No.†
Pitch
Inside
Roller
Pin
Plate
Pin
Con
Transverse
Bearing
Tensile
Approx
P
Width
Dia.
Dia.
Depth
Length
Pin Ext.
Pitch
Area
Strength
Weight
b min
d
max.
d
max.
g
l
max.
k
e
1
2
2
mm
mm
mm
mm
mm
mm
mm
cm
N
kg/m
2
05 B–2
8mm
3.0
5.0
2.31
7.1
14.3
3.1
5.64
0.22
8,000
0.36
06 B–2
/
inch
5.72
6.35
3.28
8.3
22.9
2.2
10.24
0.55
17,300
0.78
3
8
08 B–2
/
inch
7.75
8.51
4.45
11.8
30.2
2.1
13.92
1.00
31,800
1.40
1
2
10 B–2
/
inch
9.65
10.16
5.08
14.7
35.4
2.2
16.59
1.34
45,400
1.80
5
8
12 B–2
/
inch
11.68
12.07
5.72
16.1
41.4
2.6
19.46
1.78
57,900
2.44
3
4
16 B–2
1 inch
17.02
15.88
8.28
21.1
67.6
3.1
31.88
4.21
122,000
5.30
20 B–2
1
/
inch
19.56
19.05
10.19
26.3
77.6
3.1
36.45
5.91
187,000
7.45
1
4
24 B–2
1
/
inch
25.40
25.40
14.63
33.2
101.5
3.5
48.36
11.09
324,000
13.75
1
2
28 B–2
1
/
inch
30.99
27.94
15.90
37.0
125.2
3.6
59.56
14.81
380,000
17.30
3
4
32 B–2
2 inch
30.99
29.21
17.78
40.6
123.0
3.8
58.55
16.23
495,000
18.80
Triplex Roller Chains
Roller
Cat No.†
Pitch
Inside
Pin
Plate
Pin
Con
Transverse
Bearing
Tensile
Approx
Dia.
P
Width
Dia.
Depth
Length
Pin Ext.
Pitch
Area
Strength
Weight
d
max.
b min
d
max.
g
l
max.
k
e
1
2
3
mm
mm
mm
mm
mm
mm
mm
cm
N
kg/m
2
06 B–3
/
inch
5.72
6.35
3.28
8.3
32.8
2.2
10.24
0.83
25,400
1.18
3
8
08 B–3
/
inch
7.75
8.51
4.45
11.8
44.1
2.1
13.92
1.50
45,400
2.10
1
2
10 B–3
/
inch
9.65
10.16
5.08
14.7
51.9
2.2
16.59
2.02
68,100
2.85
5
8
12 B–3
/
inch
11.68
12.07
5.72
16.1
60.8
2.6
19.46
2.68
86,500
3.63
3
4
16 B–3
1 inch
17.02
15.88
8.28
21.1
99.4
3.1
31.88
6.32
182,000
7.80
20 B–3
1
/
inch
19.56
19.05
10.19
26.3
114.9
3.1
36.45
8.86
280,000
11.4
1
4
24 B–3
1
/
inch
25.40
25.40
14.63
33.2
149.5
3.5
48.36
16.64
485,000
20.5
1
2
28 B–3
1
/
inch
30.99
27.94
15.90
37.0
184.8
3.6
59.56
22.21
570,000
25.8
3
4
32 B–3
2 inch
30.99
29.21
17.78
40.6
181.2
3.8
58.55
24.34
743,000
27.9
Spares for Std. Chains
Pin Unit
Roller Unit
Connecting Link
(Rivetting Outer Links)
(Inner Link)
(Spring Clip Type)
Available all sizes of chain.
Available all sizes of chain
Standard all chains to 1 inch
Press fit unit to connect
to extend chain length or
pitch. Should be assembled
chains for maximum
manufacture of special build
with open end away from
performance
chains.
running direction of chain.
Part Ref. 79
Part Ref. 77
Part Ref. 76
14
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