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Gates Mectrol Products

Detail About

Gates Mectrol Products

Modified Pulley Program

Draws from the in stock pulleys found in the Standard Pulley Program and allows for basic modifications to create a “semi-custom” pulley.

Modifications include: Finished Bore, Keyways, Set Screw Holes, and Hub Removal
 

Finished Bore 

Finished Bore

Keyway

Keyway
Set Screw Holes 

Set Screw Holes
Hub Removed 

Hub Removed
Standard Keyway Dimensions and Tolerances 

Pulley ImperialShaft

Imperial Shaft Diameter

     
           
Over Up to and Including Width wk Tolerance wk Depth hk Tolerance hk
  0.438 0.094   0.047  
0.438 0.563 0.125 +0.0030 0.063  
0.563 0.875 0.188 -0.0000 0.094 +0.015
0.875 1.250 0.250   0.125 -0
1.250 1.375 0.313 +0.0035 0.156  
-0.0000  
Pulley MetricShaft

Metric Shaft Diameter

     
           
Over Up to and Including Width b Tolerance on b Depth t2 Tolerance t2
6 8 2 +0.060 1.0  
8 10 3 +0.020 1.4 +0.1
10 12 4 +0.078 1.8 -0
12 17 5 +0.030 2.3  
17 22 6   2.8  
22 30 8 +0.098 3.3 +0.2
30 38 10 +0.040 3.3 -0
           
* Metric keyway depths are specified from the bottom of the keyway to a line tangent to the bore at the keyway centerline.
           
T=Bore Diameter + t2      

 
 
Pulleys: Standard Pulley Program | Modified Pulley Program | Custom Pulley Program | Pulley Bar Stock