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Roller Chain Trade Number
25
35
35-2
40
40-2
41
50
50-2
60
60-2
80
100
120
140
160
04B
05B
06B
06B-2
08B
08B-2
12B
System of Measurement
Inch
Metric
Shaft Diameter
1/32"
to
3/8"
1/32"
to
7/16"
1/32"
to
9/16"
1/32"
to
3/4"
1/8"
3/16"
1/4"
1/4"
to
1/2"
5/16"
3/8"
1/2"
9/16"
5/8"
3/4"
7/8"
ID
3/16"
1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
7/8"
15/16"
1"
1
1/8"
1
3/16"
1
1/4"
1
5/16"
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
15/16"
8 mm
10 mm
12 mm
14 mm
16 mm
Pitch
0.080"
0.1227"
0.1475"
0.2"
1/4"
3/8"
1/2"
5/8"
3/4"
1"
1
1/4"
1
1/2"
1
3/4"
2"
2 mm
2.030 mm
3 mm
5 mm
5.080 mm
6 mm
8 mm
9.53 mm
Shaft Type
Keyed
Round
OD
0.28"
0.37"
0.55"
0.56"
0.58"
0.69"
3/4"
0.81"
0.9"
0.999"
1.09"
1.125"
1.13"
1.248"
1
1/4"
Bore Type
Bushing
Finished
Keyed
Plain
Round
Material
Aluminum
Brass
Plastic
Stainless Steel
Steel
Hub Diameter
0.19"
1/4"
3/8"
0.4"
0.406"
0.438"
0.547"
9/16"
0.58"
0.656"
0.688"
3/4"
0.81"
0.812"
13/16"
Overall Width
11/64"
9/32"
5/16"
0.313"
0.315"
11/32"
0.344"
0.438"
15/32"
31/64"
1/2"
0.563"
37/64"
5/8"
0.688"
Component
Gear
Gear Stock
Keyway Width
0.094"
1/8"
3/16"
0.188"
1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
Shaft Mount Type
Press Fit
Set Screw
Chain Standard
ANSI
ISO
Strand Type
Single
Double
Keyway Depth
0.047"
0.062"
1/16"
0.063"
3/32"
0.094"
1/8"
5/32"
3/16"
1/4"
5/16"
3/8"
Sprocket Type
Drive
Idler
REACH
Compliant
Not Compliant
RoHS
Compliant
Compliant with Exemptions
Export Control Classification Number (ECCN)
EAR99
DFARS Specialty Metals
Exempt
Chain Type
Roller
Gear Pitch Diameter
1/4"
0.333"
1/2"
0.666"
0.667"
0.8"
1"
1.333"
1.6"
2"
2.666"
8 mm
12.8 mm
16 mm
24 mm
32 mm
Gear Pitch
6
8
10
12
16
20
24
32
48
64
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425 Products
Drive Sprockets
Sprockets
Sprocket teeth mesh with your roller chain to smoothly transmit power
146 products
Flat Sprockets
No raised hub—best for tight spots and lightweight designs to transmit power
7 products
Taper-Lock Bushing-Bore Sprockets
Quickly swap or service parts in tight spaces with no press-fitting or special tools
86 products
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Drive two single-strand roller chains with a single sprocket
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Quickly swap or service parts with no press-fitting or special tools
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Quiet-running, lightweight, and naturally rust resistant
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Maximize power transfer in high-torque applications
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The simplest type of gear for transferring motion, with straight, parallel teeth
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Press against your chain to take up slack and reduce wear and vibration
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Machine your own gears to an exact face width and shaft diameter
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Timing Belt Drive Pulleys
Pair with a timing belt to transfer motion from a rotating shaft
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Connect shafts at a right angle without changing speed or torque
4 products
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2 products
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2 products
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Machine your own timing belt pulleys to fit an exact width and shaft diameter
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