Cross Morse British Standard Precision Roller Chain Size Chart Page 2
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1
2
3American Standard Precision
Roller Chains
Simplex (Single Strand) Construction
CROSS+MORSE
Conforming to ANSI B29.1 and ISO 606*
Standard Roller Chains
Straight Sideplate Roller Chains
Bush (Rollerless) Chains
*ISO 606 covers Standard Series
Inside
Roller
Pin
Plate
Rivet Pin
Length to
Length to
Bearing
Tensile
Approx
Pitch
Chains only
ANSI
Width
Ø
Ø
Depth
Length
Cotter Pin
Rivet Pin
Area
Strength
Weight
P
No.
b min
d
max.
d
max.
g
l max.
m
n
inches
1
2
mm
mm
mm
mm
mm
mm
mm
cm
N
kg/m
2
•25
/
3.18
3.30
2.29
5.9
7.9
4.9
3.9
0.11
3,500
0.13
1
Standard Series Chains
4
1)
•35
/
4.77
5.08
3.58
9.0
12.0
8.7
6.0
0.27
8,400
0.31
3
8
1)
(complying to ANSI b29.1
41
/
6.35
7.77
3.58
9.9
13.2
9.4
6.6
0.32
8,000
0.42
1
2
40
/
7.85
7.95
3.96
11.8
16.6
10.7
8.3
0.44
14,800
0.62
1
2
50
/
9.40
10.16
5.08
15.0
20.2
14.3
10.1
0.70
24,400
1.04
A.P.I.
5
Can be supplied also to full
8
60
/
12.60
11.91
5.94
18.0
25.0
16.3
12.5
1.06
34,400
1.48
3
Specification with certified approval
4
80
1
15.80
15.88
7.92
24.0
32.6
18.8
16.3
1.79
64,500
2.50
100
1
/
19.00
19.05
9.53
30.0
39.2
23.2
19.6
2.62
100,000
3.76
1
• ANSI 25 and 35 are Bush Chains to
4
120
1
/
25.25
22.23
11.10
36.0
49.4
29.0
24.7
3.94
130,000
5.50
1
ISO 1395
2
140
1
/
25.25
25.40
12.70
42.0
53.0
31.0
26.5
4.72
177,000
7.20
3
4
1) Bush Diameter
160
2
31.55
28.58
14.27
48.0
63.2
37.1
31.6
6.50
227,000
9.80
180
2
/
35.50
35.71
17.45
54.5
71.5
44.2
35.8
8.87
320,000
13.0
1
4
200
2
/
37.85
39.68
19.85
59.5
77.0
47.3
38.5
10.90
360,000
16.3
1
2
240
3
47.35
47.63
23.80
72.0
95.5
57.7
47.8
16.15
520,000
25.3
60H
/
12.60
11.91
5.94
18.0
28.3
16.6
14.2
1.15
34,000
1.70
3
4
Heavy Series and
80H
1
15.80
15.88
7.92
24.0
35.9
20.4
18.0
1.92
64,500
2.88
100H
1
/
19.00
19.05
9.53
30.0
42.5
25.0
21.3
2.77
100,000
4.55
1
High Endurance Chains
4
120H
1
/
25.25
22.23
11.10
36.0
52.7
30.8
26.4
4.12
130,000
6.62
1
2
Morse High Strength Roller Chains are
140H
1
/
25.25
25.40
12.70
42.0
56.0
32.6
28.0
4.93
177,000
8.45
3
4
designed to meet the instantaneous peak
160H
2
31.55
28.58
14.27
48.0
66.2
38.7
33.1
6.69
227,000
10.9
loading requirements of all applications
180H
2
/
35.50
35.71
17.45
54.5
75.0
44.5
37.5
9.14
320,000
13.6
1
4
ranging from rugged construction
200H
2
/
37.85
39.68
19.85
59.5
92.4
51.3
46.2
11.54
360,000
20.1
1
2
equipment to elevated personnel
carriers.
There are two series of chains, both
8-60H
/
12.60
11.91
5.94
18.0
28.3
16.6
14.2
1.15
40,000
1.70
3
4
8-80H
1
15.80
15.88
7.92
24.0
35.9
20.4
18.0
1.92
84,000
2.88
operate on standard ANSI sprocket.
8-100H
1
/
19.00
19.05
9.53
30.0
42.5
25.0
21.3
2.77
120,500
4.55
The ‘H’ series have link plates of
1
4
8-120H
1
/
25.25
22.23
11.10
36.0
52.7
30.8
26.4
4.12
168,000
6.62
1
increased thickness to resist fatigue
2
8-140H
1
/
25.25
25.40
12.70
42.0
56.0
32.6
28.0
4.93
224,000
8.45
failure from shock and pulsating loads.
3
4
8-160H
2
31.55
28.58
14.27
48.0
66.2
38.7
33.1
6.69
280,000
10.9
Chains prefixed ‘8’ have through
8-180H
2
/
35.50
35.71
17.45
54.5
75.0
44.5
37.5
9.14
380,000
13.6
1
hardened pins for additional strength
4
8-200H
2
/
37.85
39.68
19.85
59.5
92.4
51.3
46.2
11.54
415,000
20.1
1
2
where very high shock loads are
encountered.
C40
/
7.85
7.95
3.96
11.7
16.6
10.7
8.3
0.44
14,800
0.67
1
2
Straight Side Plate Chains
C60
/
12.60
11.91
5.94
17.3
24.9
16.3
12.5
1.06
34,000
1.57
3
4
C80
1
15.80
15.88
7.92
24.2
32.6
18.8
16.3
1.79
64,500
2.79
Provide increased bearing area for
C100
1
/
19.00
19.05
9.53
28.7
39.2
23.2
19.6
2.62
100,000
4.42
1
conveying applications, when sliding on
4
C120
1
/
25.25
22.23
11.10
36.1
49.4
29.0
24.7
3.94
130,000
6.55
1
2
guides. Operate on std. ANSI sprockets.
Bush Chains
Inside
Roller
Pin
Plate
Rivet Pin
Length to
Length to
Bearing
Tensile
Approx
Pitch
ANSI
Width
Ø
Ø
Depth
Length
Cotter Pin
Rivet Pin
Area
Strength
Weight
Standard ANSI Simplex chains assembled
P
No.
b min
d
max.
d
max.
g
l
max.
m
n
inches
1
2
1
without rollers for reduced weight. Used
mm
mm
mm
mm
mm
mm
mm
cm
N
kg/m
2
on slow speed drives and lifting
equipment such as, fork lift trucks.
65
/
12.60
8.36
5.94
18.0
25.0
16.3
12.5
1.06
34,000
1.10
3
4
85
1
15.80
11.23
7.92
24.0
32.6
18.8
16.3
1.79
64,500
1.95
105
1
/
19.00
13.49
9.53
30.0
39.2
23.2
19.6
2.62
100,000
3.10
1
4
125
1
/
25.25
15.82
11.10
36.0
49.4
29.0
24.7
3.94
130,000
4.40
1
2
/
Detachable Chain can be supplied for chains of
3
” pitch and above, in standard series, heavy series and
Detachable Chains
4
high endurance series, add suffix ‘C’ to Part No. - e.g. 2” Pitch Triplex Detachable Chain - Ref. 160 - 3C.
Spares for Std. Chains
Pin Unit
Roller Unit
Connecting Link
(Rivetting Outer Links)
(Inner Link)
(Spring Clip Type)
Standard all chains to
/
inch
Available all sizes of chain.
Available all sizes of chain
3
4
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. 76
Part Ref. 79
Part Ref. 77
20
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