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84
90
96
100
112
120
128
130
Roller Chain Trade Number
25
35
40
41
50
60
System of Measurement
Inch
Metric
Shaft Diameter
1/4"
5/16"
3/8"
1/2"
1/2"
to
13/16"
5/8"
3/4"
7/8"
1"
1
1/8"
1
3/16"
1
1/4"
1
3/8"
1
7/16"
1
1/2"
1
5/8"
1
3/4"
1
15/16"
2"
2
3/16"
2
7/16"
6 mm
10 mm
12 mm
OD
1.54"
2.31"
3.08"
3
3/4"
4
9/16"
5
7/8"
8
13/16"
11
3/4"
12.37"
14
11/16"
17
5/8"
45 mm
46 mm
68 mm
74 mm
335 mm
Pitch
0.080"
0.2"
1/4"
3/8"
1/2"
5/8"
3/4"
2 mm
3 mm
14 mm
Shaft Type
Keyed
Round
ID
1/2"
5/8"
3/4"
7/8"
1"
1
1/8"
1
3/16"
1
1/4"
1
3/8"
1
7/16"
1
1/2"
1
5/8"
1
3/4"
1
15/16"
2"
2
3/16"
2
7/16"
2.95"
4.25"
Bore Type
Bushing
Finished
Keyed
Plain
Round
Shaft Mount Type
Set Screw
Material
303 Stainless Steel
Aluminum
Brass
Iron
Nylon
Steel
Overall Width
3/8"
0.437"
3/4"
1"
1
3/16"
1
1/4"
1
3/4"
2"
2
1/4"
19.05 mm
20 mm
22.2 mm
22.26 mm
25.4 mm
54.1 mm
Component
Gear
Internal Gear
Strand Type
Single
Keyway Width
1/8"
3/16"
1/4"
5/16"
3/8"
1/2"
5/8"
Hub Diameter
1/2"
5/8"
1
3/8"
1
1/2"
2"
2
1/4"
3"
3
3/4"
4"
4
1/4"
30.35 mm
30.4 mm
31.75 mm
38 mm
40 mm
Keyway Depth
0.063"
3/32"
1/8"
5/32"
3/16"
1/4"
5/16"
Width
3/8"
0.437"
3/4"
1"
1
3/16"
1
1/4"
1
3/4"
2"
2
1/4"
19.05 mm
20 mm
22.2 mm
22.26 mm
25.4 mm
54.1 mm
Chain Standard
ANSI
Export Control Classification Number (ECCN)
EAR99
DFARS Specialty Metals
Exempt
REACH
Compliant
RoHS
Compliant
Chain Type
Roller
Sprocket Type
Drive
Gear Pitch Diameter
1
1/2"
2
1/4"
3"
12"
72 mm
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