• "Connect with the Best"

    Concentric Maxi Torque
    Keyless Hub-to-Shaft Connection System

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Timing Pulleys with CMT Bushing System

Keyless Timing Pulley Connection System

 

The best keyless timing pulley connection system on the market is the Concentric Maxi Torque bushing connection system designed and patented by Custom Machine and Tool Co., Inc.  A single screw locks the low taper angle split bushing in place and eliminates all of the existing attachment issues.

 

Need a custom timing pulley with the Concentric Maxi Torque keyless bushing system?  Upload your print on our custom pulley quote page.  CAD models also available on request for the bushing and hub component of the system for integration.

 


3mm GT2 - 9mm belt width


Product No.
No. of Grooves
Style
Pitch Diameter
Outside Diameter
Flange O.D.
Length thru Bore
19
3F
0.714
0.684
0.827
0.530
20
3F
0.752
0.722
0.895
0.530
21
3F
0.790
0.760
0.895
0.530
22
3F
0.827
0.797
0.945
0.530
24
3F
0.902
0.872
1.025
0.530
26
3F
0.977
0.947
1.105
0.530
28
3F
1.053
1.023
1.173
0.530
30
3F
1.128
1.098
1.250
0.530
32
3F
1.203
1.173
1.323
0.530
34
3F
1.278
1.248
1.398
0.530
36
3F
1.353
1.323
1.478
0.530
38
3F
1.429
1.399
1.549
0.530
38
6F
1.429
1.399
1.549
0.655
40
3F
1.504
1.474
1.625
0.530
40
6F
1.504
1.474
1.625
0.655
45
3F
1.692
1.662
1.775
0.530
45
6F
1.692
1.662
1.775
0.655
50
3
1.880
1.850
-
0.530
50
6
1.880
1.850
-
0.655
56
3
2.105
2.075
-
0.530
56
6
2.105
2.075
-
0.655
62
3
2.331
2.301
-
0.530
62
6
2.331
2.301
-
0.655
68
3
2.557
2.537
-
0.530
68
6
2.557
2.537
-
0.655
74
3
2.782
2.752
-
0.530
74
6
2.782
2.752
-
0.655
80
3
3.008
2.978
-
0.530
80
6
3.008
2.978
-
0.655