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Quick Details

  • Type: V-Belt
  • Material: cast iron G3000
  • Place of Origin: Sichuan, China (Mainland)
  • Brand Name: CPT
  • Model Number: AK
  • Groove Number: 1
  • Groove Width: 12.8mm
  • Groove Depth: 12.45mm
  • Groove Spacing: none- single sheave
  • Bore type: Pilot Bore
  • Bore Diameter (in): 1/2",5/8",3/4",7/8",15/16",1",1-1/8",1-3/16",1-1/4",1-3/8",1-7/16"
  • Outside Diameter (in): 1.55"~ 18.25"
  • Balance: Static / Dynamic balance
  • Surface treatment: Gray electrophoresis
  • Belt Section: 4L, A, 3L

Packaging & Delivery

Packaging Details 1. Plastic bag or box for individual package
2. Cartons
3. Wooden case
4. Pallet
Delivery Time 1 ~ 15 days
Our Advantages


American standard AK series pulley sheave, single pulley sheave for A, 4L, 3L belts



CPT has 23 years' experience in producing power transmission grooved v belt pulleys (U groove pulley), timing pulleys, poly-v belt pulleys, adjustable pulleys, etc.


V belt pulley materialsteel, cast iron, ductile cast iron, alloy, etc.
Pulleys' boreprebore, plainbore, finished bore, pilot bore, taper bore
Pulleys' Typesolid, web, spoke
Pulley grooves number 1 ~ 12 
Pulley outside diameter 10mm ~  1900mm, 1.55" ~ 53"
Belt section

SPA, SPB, SPC, SPZ metric pulleys

A, B, C, D, TA, TB, TC, 3V, 5V, 8V inch pulleys

Matched Bushing

TB bushing, QD bushing, STB bushing


static & dynamic 

Surface Treatment

grey/black electrophoresis, Powder painting, Black phosphating, etc.

Other pulleyspoly v sheaves, variable speed pulleys, timing pulleys


Usage: v belt pulley sheaves can be used on small diesel engine power, farm vehicle,tractor,car, mining equipment, processing equipment, textile machinery, packing machinery, lathe,forging machine, small horsepower motorcycle’s powertrain, transmission of agricultural machinery, air compressor, reducer, dynamo, cotton ginning machine and so on.


Product Dimension




CPT own 45 product patents and 3 technological achievements, management system includes:

ISO9001--Quality Control System

TS16949-- Quality Control System for Automobile industry production parts

ISO14001--Environmental Management Systems

OHSAS18001--Occupation Health Safety Management System

Our Company

Sichuan Dawn Precision Technology Co. Ltd was founded in April 1995. Till now, we have 23 years manufacturing experience. CPT (our brand) now have 5 factories and 8 subcompanies located in China, America, Korea and Thailand. 



Now we own 45 product patents and 3 technological achievements, management system has integrated ISO9001\TS16949\ISO14001\OHSAS18001. 


Our production process includes casting, forging, machining, heat treatment and assembling & packing. We applying intelligent factory model with key intelligent manufacturing technologies, such as, large-scale use of industrial robots, intelligent equipment, intelligent transportation, intelligent warehouse, information technology, digital technology. 


Packing & Shipping

CPT can get your order arrived QUICK & SAFE. 

  • We have 23 years exporting experience
  • Huge stock can shorten the producing time
  • Trusted & stable experienced Shipping partners
Main Customers


Contact us

Lisa Young   -  24 hour Service

yangyang at cpt-world.com

skype: lisayoung765
whatsapp: +86 13281268355
Your satisfaction is our foremost concern and any inquiry is warmly welcomed.





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China (Mainland) | Manufacturer, Trading Company
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