• "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.

 


5mm GT2 - 15mm belt width


Product No.
No. of Grooves
Style
Pitch Diameter
Outside Diameter
Flange O.D.
Length thru Bore
18
3F
1.128
1.083
1.250
0.827
19
3F
1.191
1.146
1.312
0.827
20
3F
1.253
1.208
1.375
0.827
21
3F
1.316
1.271
1.437
0.827
22
3F
1.379
1.334
1.500
0.827
23
3F
1.441
1.396
1.562
0.827
24
3F
1.504
1.459
1.625
0.827
25
3F
1.566
1.521
1.687
0.827
26
3F
1.629
1.584
1.750
0.827
28
3F
1.754
1.709
1.875
0.827
30
3F
1.880
1.835
2.000
0.827
32
3F
2.005
1.960
2.125
0.827
34
3F
2.130
2.085
2.250
0.827
36
3
2.256
2.211
-
0.827
38
3
2.381
2.336
-
0.827
40
3
2.506
2.461
-
0.827
45
3
2.820
2.775
-
0.827
50
3
3.133
3.088
-
0.827
50
6
3.133
3.088
-
1.241
56
3
3.509
3.464
-
0.827
56
6
3.509
3.464
-
1.241
62
3
3.885
3.840
-
0.827
62
6
3.885
3.840
-
1.241
68
3
4.261
4.216
-
0.827
68
6
4.261
4.216
-
1.241
74
6
4.637
4.592
-
1.241
80
6
5.013
4.968
-
1.241
90
6
5.639
5.594
-
1.241
112
6
7.018
6.973
-
1.241