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Quick Details

  • Type: V-Belt
  • Material: Grey cast iron, alloy steel,Carbon steel,Aluminum alloy,Ductile iron
  • Place of Origin: Sichuan, China (Mainland)
  • Brand Name: CPT
  • Model Number: BK
  • Product name: BK grey cast iron pulley wheel
  • Groove No.: 1
  • Pulley Type: Solid, web, arm/spoke
  • Pulley Bore: pilot bore
  • Bore diameter: 1/2" ~ 1-7/16"
  • Outside Diameter: 2.05" ~ 18.75"
  • Balance: Static and dynamic balance
  • For Belt: 4L, 5L, A, B
  • Surface treatment: Gray electrophoresis
  • Certificate: ISO9001:2008

Packaging & Delivery

Packaging Details 1. Individual package -- each pulley is protected
2. Standard size carton
3. Customized wooden case -- save space
4. Wrapping film -- water proof
5. OEM/ODM package available
Delivery Time 1-20 days
Product details
  China top single groove grey cast iron pulley wheel BK series for American standard B belt

Pulley Series

AK, AKH, AL, B, BK, BKH, C, TA, TB, TC, 3V, 5V, 8V

Pulley Material

cast iron, steel, alloy 

Belt type

 4L/5L, A, B, C, D, 3V, 5V, 8V

Pulley Bore Type

polit bore, STB, TB, QD bore

Pulley Structure

solid, web, spoke/arm

Surface Treatment

Black Oxide, E-coat, phosphating blacking, podwer coating, painting, Other coatings available upon request

Machinining Process

Forging and Machining, Precision Machining and Large Machining,
Investment Casting of Lost Wax, Pressure Die

Heat Treatment

Quenching & Tempering, Carburizing & Quenching, 
High-frequency Hardening, Carbonitriding


Raw material, bath analysis, blank physical and chemical analysis, First check, metallography hardness permeating layer, semi-finished product inspection, Adhension test, finished product inspection


American Standard


Static & Dynamic Balance




BK Series Pulley Dimensions


Our Advantages


Sichuan Dawn Precision Technology Co. Ltd,was founded in April 1995. Till now, it has 22 years' experience on Pulleys, Gears, Sprocket, Timing Pulleys, Couplings, Locking Assemblies, Bushings, Gear motor parts.
We own 45 product patents and 3 technological achievements, management system has been certified with ISO9001,TS16949,ISO14001,OHSAS18001.

Quality Guaranteed

-22 Years Experience to be the Leader of power transmission industry
- ISO 9001 certified


Buying Parts at One Place

casting&forging, machining, heat&surface treatment, assembling and packing -All Procedure Finish in ONE Place


Quick Delivery

--Warehouse in America, Tailand, Korea, China 
--Adequate stock


Meet Special Needs

Strong OEM/ODM capabilities  


Company Information

--Sichuan Dawn Precision Technology Co., Ltd was founded in April 1995.
--Products exported to more than 40 countries and 50 industries.
--With an area covering more than 170,000 square meters.
--About 1500 employees in the corporation.
--Have 7 Sub-branches.
--Capacity: 730,000 pcs/month

Store Coner

Related Products

Please contact sales for more information or go to homepage to check other products. 

Main customers

Our main customers are all world famous brands, like: ABB, SKF, Sati and Atlas Copco, etc.



Packaging & Shipping


1. Individual package -- each pulley is protected
2. Standard size carton
3. Customized wooden case -- save space
4. Wrapping film -- water proof
5. OEM/ODM package available


--3-20 days after payment received
--detail delivery date varies according to
production season and order quantity.


Can you produce according to the samples?

Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

What is your sample policy?

We can supply the sample if we have ready parts in stock, but customers need to pay for the sample cost and shipping fee.

Do you test all your goods before delivery?

Yes, products are 100% tested before delivery.

How do you make our business long-term and good relationship?

1. We keep good quality and competitive price to ensure our customers' benefits ;

2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Are you a manufacturer or a trading company?

We are a manufacturer and trading company.

Can you customize?

Yes, please send us your drawing for accurate quotation.

How can I trust you?

We have been assessed by TÜV Rheinland, the third party which has 180 years.
We also joined Alibaba's trade assurance, Alibaba will protect you from payment to delivery.
100% PAYMENT PROTECTION: If we break on-line shipment or product quality terms of the contract, Alibaba will refund you all the money.

Contact Us

Lisa Young
Tel: +86 13281268355
Whatapp: +86 13281268355
Skype: lisayoung765
Email: yangyang(@)cpt-world.com

Your satisfaction is our foremost concern and any inquiry is warmly welcomed.

CPT- Only for you

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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
3 Transactions 1,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $50,000
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