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84
90
96
100
112
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128
130
Roller Chain Trade Number
25
35
40
41
50
60
System of Measurement
Inch
Metric
Shaft Diameter
3/16"
1/4"
5/16"
3/8"
3/8"
to
11/16"
3/8"
to 1
1/4"
1/2"
1/2"
to 1
1/8"
1/2"
to 1
1/4"
1/2"
to 1
3/8"
5/8"
5/8"
to 1
1/2"
11/16"
3/4"
7/8"
OD
0.78"
1.04"
1.56"
1.94"
2.08"
2.31"
2
1/2"
3"
3.02"
3.036"
3.09"
3.13"
3.28"
3.96"
4.17"
5"
5.95"
7.867"
7.93"
8.016"
8.33"
9.91"
11.89"
13.259"
18.979"
25 mm
36.1 mm
40 mm
50 mm
75 mm
77.1 mm
83 mm
120.91 mm
130.99 mm
131.07 mm
Pitch
0.1227"
0.1475"
0.2"
1/4"
3/8"
1/2"
5/8"
3/4"
0.875"
1
1/4"
2 mm
2.030 mm
3 mm
5 mm
5.080 mm
8 mm
Shaft Type
Keyed
Round
ID
1/4"
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"
2.186"
2.187"
2
3/16"
2
7/16"
2.812"
3
1/8"
3.83"
4.438"
5.148"
Bore Type
Bushing
Finished
Keyed
Plain
Round
Material
Aluminum
Brass
Iron
Plastic
Stainless Steel
Steel
Component
Gear
Hub Diameter
3/8"
1/2"
0.609"
5/8"
0.63"
0.672"
0.734"
3/4"
0.78"
7/8"
0.92"
1
1/4"
1
1/2"
1
9/16"
2"
2
1/4"
2
1/2"
2
11/16"
2.88"
3"
3
3/16"
3
1/4"
3
1/2"
3
9/16"
3
3/4"
4
1/8"
4
1/4"
4
5/8"
12 mm
14.5 mm
16 mm
22 mm
23.77 mm
23.8 mm
31.75 mm
35 mm
38 mm
45 mm
Keyway Width
0.094"
1/8"
0.187"
3/16"
0.188"
1/4"
5/16"
3/8"
1/2"
5/8"
Gear Pitch Diameter
3/4"
1"
1
1/2"
2"
2.4"
3"
4"
4.8"
8"
24 mm
38.4 mm
48 mm
72 mm
Overall Width
5/16"
3/8"
13/32"
0.437"
0.438"
1/2"
0.56"
0.563"
5/8"
3/4"
13/16"
0.813"
7/8"
0.973"
1"
Shaft Mount Type
Press Fit
Set Screw
Strand Type
Single
Keyway Depth
0.047"
0.063"
3/32"
0.094"
1/8"
5/32"
3/16"
1/4"
5/16"
Gear Pitch
6
10
12
16
20
24
32
48
64
REACH
Compliant
Not Compliant
RoHS
Compliant
Compliant with Exemptions
Not Compliant
DFARS Specialty Metals
Exempt
Export Control Classification Number (ECCN)
EAR99
Sprocket Type
Drive
Idler
Chain Standard
ANSI
Gear Type
Bevel
Helical
Ratchet
Spur
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272 Products
Power Transmission
Drive Sprockets
Mount directly onto a shaft to transmit rotary motion and torque
211 products
Idler Sprockets
Press against your chain to take up slack and reduce wear and vibration
1 product
Timing Belt Drive Pulleys
Pair with a timing belt to transfer motion from a rotating shaft
23 products
Spur Gears
The simplest type of gear for transferring motion, with straight, parallel teeth
32 products
Ratchet Gears
Couple with a pawl to transmit motion in one direction and stop it in the other
1 product
Helical Gears
Curved teeth stay in contact longer to transmit heavier loads at higher speeds than spur gears
2 products
Bevel Gears
Reduce speed while transmitting motion at a right angle
1 product
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)