• "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 - 25mm 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
1.241
19
3F
1.191
1.146
1.312
1.241
20
3F
1.253
1.208
1.375
1.241
21
3F
1.316
1.271
1.437
1.241
22
3F
1.379
1.334
1.500
1.241
22
3F
1.379
1.334
1.500
1.241
23
3F
1.441
1.396
1.562
1.241
23
3F
1.441
1.396
1.562
1.241
24
3F
1.504
1.459
1.625
1.241
24
3F
1.504
1.459
1.625
1.241
25
3F
1.566
1.521
1.687
1.241
26
3F
1.629
1.584
1.750
1.241
28
3F
1.754
1.709
1.875
1.241
30
3F
1.880
1.835
2.000
1.241
32
3F
2.005
1.960
2.125
1.241
34
3F
2.130
2.085
2.250
1.241
36
3
2.256
2.211
-
1.241
38
3
2.381
2.336
-
1.241
40
3
2.506
2.461
-
1.241
45
3
2.820
2.775
-
1.241
50
3
3.133
3.088
-
1.241
56
3
3.509
3.464
-
1.241
62
3
3.885
3.840
-
1.241
68
3
4.261
4.216
-
1.241
74
3
4.637
4.592
-
1.241
80
3
5.013
4.968
-
1.241
90
3
5.639
5.594
-
1.241
112
3
7.018
6.973
-
1.241