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System of Measurement
Inch
Metric
Shaft Diameter
Hide
1/32"
to
7/32"
1/32"
to
9/32"
1/32"
to
11/32"
1/32"
to
3/8"
1/32"
to
7/16"
1/32"
to
15/32"
1/32"
to
17/32"
1/32"
to
9/16"
1/32"
to
19/32"
1/32"
to
21/32"
1/32"
to
11/16"
1/32"
to
3/4"
1/32"
to
13/16"
1/32"
to 1
3/32"
3/32"
1/8"
5/32"
3/16"
1/4"
1/4"
to
5/16"
1/4"
to
1/2"
5/16"
3/8"
3/8"
to
9/16"
3/8"
to
5/8"
3/8"
to
11/16"
3/8"
to
7/8"
3/8"
to
15/16"
3/8"
to 1
1/8"
3/8"
to 1
1/4"
3/8"
to 1
1/2"
13/32"
7/16"
1/2"
1/2"
to
9/16"
1/2"
to
5/8"
1/2"
to
3/4"
1/2"
to
13/16"
1/2"
to
7/8"
1/2"
to
15/16"
1/2"
to 1"
1/2"
to 1
1/8"
1/2"
to 1
1/4"
1/2"
to 1
3/8"
9/16"
19/32"
5/8"
5/8"
to
11/16"
5/8"
to
3/4"
5/8"
to
13/16"
5/8"
to 1"
5/8"
to 1
5/16"
5/8"
to 1
1/2"
11/16"
23/32"
3/4"
3/4"
to
13/16"
3/4"
to
7/8"
3/4"
to
15/16"
3/4"
to 1"
3/4"
to 1
1/4"
3/4"
to 1
5/16"
3/4"
to 1
1/2"
3/4"
to 1
3/4"
0.80"
13/16"
0.85"
7/8"
7/8"
to
15/16"
7/8"
to 1"
7/8"
to 1
1/8"
7/8"
to 1
5/16"
7/8"
to 1
1/2"
7/8"
to 1
5/8"
15/16"
63/64"
1"
1" to 1
1/16"
1" to 1
1/4"
1" to 1
5/16"
1" to 1
1/2"
1" to 1
3/4"
1" to 1
13/16"
1" to 1
7/8"
1
1/16"
1
1/8"
1
1/8"
to 1
7/8"
1
1/8"
to 2"
1
1/8"
to 2
1/8"
1
1/8"
to 2
1/2"
1
3/16"
1.20"
1
1/4"
1
5/16"
1
21/64"
1
23/64"
1
3/8"
1
7/16"
1
15/32"
1
1/2"
1
9/16"
1
19/32"
1
5/8"
1
21/32"
1
43/64"
1
11/16"
1
23/32"
1
3/4"
1
13/16"
1
27/32"
1
7/8"
1
15/16"
1
61/64"
1
63/64"
2"
2
1/64"
2
1/16"
2
5/64"
2
1/8"
2
9/64"
2
3/16"
2
13/64"
2
1/4"
2
9/32"
2
19/64"
2
5/16"
2
3/8"
2
7/16"
2
29/64"
2
31/64"
2
1/2"
2
9/16"
2
5/8"
2
11/16"
2
45/64"
2
3/4"
2
25/32"
2
7/8"
2
57/64"
2
15/16"
2
63/64"
3"
3
1/32"
3
5/64"
3
3/32"
3
1/8"
3
5/32"
3
7/32"
3
1/4"
3
17/64"
3
9/32"
3
5/16"
3
11/32"
3
27/64"
3
7/16"
3
15/32"
3
31/64"
3
1/2"
3
43/64"
3
11/16"
3
45/64"
3
3/4"
3
57/64"
3
61/64"
4"
4
5/64"
4
3/16"
4
7/32"
4
1/4"
4
9/32"
4
23/64"
4
7/16"
4
1/2"
4
41/64"
4
43/64"
4
29/32"
4
61/64"
5
1/64"
5
5/32"
5
1/4"
5
9/32"
5
39/64"
5
13/16"
5
59/64"
6
1/4"
6
9/32"
6
11/32"
6
9/16"
6
39/64"
6
3/4"
6
7/8"
7
9/32"
7
35/64"
8
9/32"
8
31/64"
8
3/4"
9"
9
15/16"
10
5/64"
11
17/64"
11
43/64"
13
9/32"
13
33/64"
18
1/16"
2 mm
3 mm
4 mm
5 mm
6 mm
7 mm
8 mm
8 mm to 18 mm
9 mm
10 mm
10 mm to 25 mm
11 mm
12 mm
12 mm to 30 mm
12 mm to 45 mm
13 mm
14 mm
15 mm
16 mm
17 mm
18 mm
19 mm
20 mm
22 mm
23 mm
24 mm
25 mm
26 mm
28 mm
30 mm
32 mm
33 mm
35 mm
36 mm
38 mm
39 mm
40 mm
42 mm
43 mm
45 mm
47 mm
48 mm
50 mm
51 mm
52 mm
53 mm
54 mm
55 mm
56 mm
57 mm
59 mm
60 mm
62 mm
64 mm
65 mm
67 mm
69 mm
70 mm
71 mm
73 mm
75 mm
83 mm
87 mm
92 mm
96 mm
100 mm
112 mm
116 mm
132 mm
136 mm
144 mm
172 mm
Number of Teeth
11
12
14
15
16
17
18
20
22
24
26
28
30
32
36
40
42
44
48
50
56
60
72
80
90
96
100
120
OD
1/2"
0.7"
3/4"
0.81"
0.84"
0.92"
1"
1.094"
1.188"
1
1/4"
1.312"
1.33"
1.41"
1.49"
1
1/2"
1.56"
1
5/8"
1
3/4"
1
7/8"
1.88"
2"
2.017"
2.08"
2
1/8"
2.13"
2.138"
2
1/4"
2.272"
2.526"
2.53"
2.58"
2.654"
2.75"
2.781"
2.91"
3.03"
3.036"
3.06"
3.28"
3.8"
56.16 mm
62.51 mm
Material
Aluminum
Brass
Plastic
Steel
Roller Chain Trade Number
25
Pitch
0.2"
1/4"
2 mm
3 mm
5 mm
ID
1/4"
5/16"
Component
Gear
Bore Type
Finished
Plain
Round
Hub Diameter
0.46"
0.469"
1/2"
0.547"
9/16"
0.62"
0.656"
0.672"
0.688"
0.719"
3/4"
13/16"
0.813"
7/8"
29/32"
0.92"
1"
1.062"
1.188"
1
3/8"
1
1/2"
31.75 mm
38.1 mm
Shaft Type
Round
For Maximum Belt Width
1/4"
3/8"
6 mm
9 mm
Overall Width
31/64"
1/2"
0.56"
0.563"
0.583"
0.609"
3/4"
0.781"
0.812"
0.813"
7/8"
0.94"
1"
1
1/8"
19.05 mm
22.26 mm
23.8 mm
Belt Trade Size
GT2
GT3
HTD
XL
Gear Pitch
16
20
24
32
Gear Pitch Diameter
0.6"
0.666"
3/4"
0.833"
1
1/2"
2"
2
1/2"
3"
Pitch Diameter
0.764"
0.891"
0.955"
1.019"
1.146"
1.273"
1.401"
1.528"
1.655"
1.783"
1.91"
2.037"
2.292"
2.546"
2.674"
Width
31/64"
1/2"
0.56"
0.563"
0.583"
0.609"
3/4"
0.781"
0.812"
0.813"
7/8"
0.94"
1"
1
1/8"
19.05 mm
22.26 mm
23.8 mm
REACH
Compliant
Not Compliant
Export Control Classification Number (ECCN)
EAR99
RoHS
Compliant
Compliant with Exemptions
DFARS Specialty Metals
Exempt
Chain Standard
ANSI
Tooth Profile
Curved
Trapezoidal
Gear Type
Miter
Spur
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71 Products
Power Transmission
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Mount directly onto a shaft to transmit rotary motion and torque
6 products
Timing Belt Drive Pulleys
Pair with a timing belt to transfer motion from a rotating shaft
50 products
Pulley and Sprocket Bushings
Mount between a rotating shaft and equipment to secure the shaft and reduce vibration
2 products
Spur Gears
The simplest type of gear for transferring motion, with straight, parallel teeth
11 products
Miter Gears
Connect shafts at a right angle without changing speed or torque
2 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)