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Variable Pulleys

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Variable Pitch Pulleys from Mechanidrive can be adjusted for multi-speed belt systems where changes in speed and torque are required frequently. Variable speed belt pulleys come furnished with a adjustable bore nut with a fixed bore either a fixed bore, also called a finished bore and standard keyway with (1) 5/16-18 x 5/16 knurled setscrew over the keyway.  These sheaves come in 1 or 2 groove for independent running or banded v-belts.  The part identification represents their engineering data much like v-belt and timing pulleys.  For Example Part#2VL25-5/8 represents the following: 2 stands for (2) Grooves which requires either a banded 2 rib belt or 2 single v-belts, VL means V-Belt, Light Duty, 25 represents the outside diameter in inches so this pulley would be 2.500" and 5/8 represents the bore size in inches so the pulley has a 5/8" shaft bore.  

 

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 1VP Sheaves may be used with 3L, 4L, 5L, A, B and 5V Belts. 2VP Sheaves may be used with 3L, 4L, 5L, A, B and 5V Belts. VL Sheaves may be used with 3L, 4L, 5L, A and B Belts. All VL sheaves are furnished with standard keyway and (1) 5/16-18 x 5/16 knurled setscrew over keyway. Buy all your variable speed v-belt pulleys from Mechanidrive and save now!

 

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