Crown 3-Way
Dimension Charts

 
Note for Three-Way Crown Gear Drives Only
To obtain opposite shaft rotation for shafts 2 & 3 as shown,
install (invert) Crown Drive with grease plug down.
Dimensions
1:1 Ratio
Model A B C D E F G G« H I J K L
C139801 3/8 5/8 4-1/16 3-21/32 1.406 2.187 .656 .656 .221 dia. 1.500 .166 dia. .500 .656
C157806 1/2 1 5-3/4 4-15/16 1.875 2.875 .875 .875 .281 dia. 1.750 .265 dia. .562 .812
C109806 5/8 1-1/2 7 6-3/16 2.000 3.250 1.125 1.125 .281 dia. 2.125 .265 dia. .687 1.125
C209806 3/4 1-3/4 9-1/4 7-15/16 2.875 4.375 1.375 1.375 .344 dia. 2.625 .328 dia. .812 1.375
C803806 1 2-3/4 12 11 3.250 6.000 1.750 2.750 .406 dia. 4.000 3/8-16** 1.500 1.500
 
Dimensions
2:1 Ratio
Model A B C D E F G G« H I J K L
C135801 3/8 5/8 4-1/16 3-21/32 1.406 2.187 .656 .656 .221 dia. 1.500 .166 dia. .500 .656
C155806 1/2 1 5-3/4 4-15/16 1.875 2.875 .875 .875 .281 dia. 1.750 .265 dia. .562 .812
C105806 5/8 1-1/2 7 6-3/16 2.000 3.250 1.125 1.125 .281 dia. 2.125 .265 dia. .687 1.125
C205806 3/4 1-3/4 9-1/4 7-15/16 2.875 4.375 1.375 1.375 .344 dia. 2.625 .328 dia. .812 1.375
C805806 1 2-3/4 12 11 3.250 6.000 1.750 2.750 .406 dia. 4.000 3/8-16** 1.500 1.500
**Tapped hole, .81" deep.
   
 
Keyway Dimensions
Units with 3/8 inch dia. shafts 1/32 Flat x 1/2 long
Units with 1/2 inch dia. shafts 1/8 x 1/16 x 7/8
Units with 5/8 inch dia. shafts 3/16 x 3/32 x 1-3/8
Units with 3/4 inch dia. shafts 3/16 x 3/32 x 1-1/2
Units with 1 inch dia. shafts 1/4 x 1/8 x 2

 

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The right to make engineering refinements on all products is reserved.
Dimensions and other details subject to change.
When dimensions are critical, detailed drawings should be obtained from the factory.

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