China Best Sales 1240 Series Cast Engineer Cass Conveyor Sprocket

Product Description

Product Description

1240 series engineer class sprocket is used for a wide verity of chain sizes. These sizes include 1240, ROA1242, 1244, R1248, ROA124, SS124, IS-4110, IS-4106, LXS1242 and 1241 size chains. These sprockets are typically supplied as cast material but we can also supply them as steel for longer operation. The below chart shows the standard tooth counts as well as dimensions for each size.

Product Parameters

Cast 1240-Series Sprockets


Tooth Face at Pitch Line: 1.750″ – Roller Diameter: 1.750″

Sprocket Size Tooth Count Pitch Diameter Style Hub Diameter Length Thru Bore Maximum Bore Weight (LBS)
1240C6 6 8.13″ C 4.00″ 4.00″ 2.31″ 30.0 LBS
1240C7 7 13.83″ C 5.25″ 4.75″ 3.25″ 39.0 LBS
1240C8 8 10.82″ C 6.50″ 5.00″ 4.06″ 52.0 LBS
1240C9 9 11.88″ C 6.50″ 5.00″ 4.06″ 61.0 LBS
1240C10 10 13.15″ C 6.50″ 5.00″ 4.06″ 69.0 LBS
1240C11 11 14.42″ C 6.50″ 5.00″ 4.06″ 78.0 LBS
1240C12 12 15.70″ C 7.00″ 6.00″ 4.56″ 96.0 LBS
1240C13 13 16.98″ C 7.00″ 6.00″ 4.56″ 102.0 LBS
1240C14 14 18.26″ C 7.00″ 6.00″ 4.56″ 112.0 LBS
1240C15 15 19.54″ C 7.00″ 6.00″ 4.56″ 122.0 LBS
1240C16 16 20.82″ C 8.00″ 6.25″ 5.31″ 140.0 LBS
1240C17 17 22.11″ C 8.00″ 6.25″ 5.31″ 142.0 LBS
1240C18 18 23.40″ C 8.00″ 6.25″ 5.31″ 161.0 LBS
1240C19 19 24.68″ C 8.00″ 6.25″ 5.31″ 175.0 LBS
1240C21 21 27.26″ C 8.00″ 6.25″ 5.31″ 210.0 LBS
1240C22 22 28.55″ C 8.00″ 6.25″ 5.31″ 218.0 LBS
1240C28 28 36.29″ C 9.00″ 6.25″ 6.06″ 310.0 LBS
1240C29 29 37.58″ C 9.00″ 6.75″ 6.06″ 330.0 LBS
1240C30 30 38.87″ C 10.00″ 6.75″ 7.13″ 346.0 LBS
1240C32 32 41.45″ C 10.00″ 6.75″ 7.13″ 378.0 LBS
1240C34 34 44.03″ C 10.00″ 6.75″ 7.13″ 402.0 LBS

Company Profile


Services we can provide

1. Produce strictly following standard dimension
2. Material: 1045 Steel / Alloy Steel / Stainless Steel 304 & 316 
3. Standard: ANSI, DIN, JINS, ISO, KANA, Standard America, or customer’s drawing
4. Pilot bore, finished bore, taper bore, and special bore. 
5. Bright surface / high precision / Blacking /Electrophoretic-Coated
6. Advanced heat treatment and surface treatment craft
7. Best quality and competitive price. 
8. Welcome OEM / ODM 
9. Processing Equipment: Hobbing machine, Slotting machine, CNC lathes, and other equipment.
10. Sprocket Models: Contains special sprocket according to customer’s drawings, standard sprocket (American standard and metric).

Customization process
1.Provide documentation:CAD, DWG, DXF, PDF,3D model ,STEP, IGS, PRT

2.Quote:We will give you the best price within 24 hours

3.Place an order:Confirm the cooperation details and CZPT the contract, and provide the labeling service

4.Processing and customization:Short delivery time

Related products:

As a professional China sprocket manufacturer and professional supplier, we ensure the quality of every sprocket. All items are checked and tested thoroughly during every working procedure and after the product is finally manufactured to ensure that the best quality product goes out in the market.


Standard Or Nonstandard: Standard
Application: Motor, Motorcycle, Machinery, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Manufacturing Method: Rolling Gear
Toothed Portion Shape: Spur Gear
Material: Stainless Steel
US$ 9999/Piece
1 Piece(Min.Order)

Request Sample

conveyor sprocket

Can I Use a Chain or Belt Drive System with Conveyor Sprockets?

Yes, conveyor sprockets are commonly used in conjunction with both chain and belt drive systems in various conveyor applications. The choice between using a chain or a belt drive system depends on several factors, including the specific conveyor requirements, load capacity, speed, and the type of material being transported.

Chain Drive System: Conveyor sprockets are widely used with chain drive systems in heavy-duty applications and when the material being conveyed is bulky or abrasive. The sprockets have specially designed teeth that mesh with the chain links, providing a positive drive system that ensures reliable and efficient material movement. Chain drive systems are known for their high load-carrying capacity and are often used in industries such as mining, construction, and manufacturing.

Belt Drive System: Conveyor sprockets can also be used with belt drive systems, where they act as the driving mechanism for the conveyor belt. In this setup, the sprockets have grooves or teeth that match the profile of the conveyor belt, allowing for smooth and continuous movement. Belt drive systems are commonly used for conveying lighter materials over longer distances and are found in industries such as food processing, packaging, and logistics.

Hybrid Drive Systems: Some conveyor systems may utilize a combination of chain and belt drive systems with conveyor sprockets to achieve specific performance requirements. For instance, a conveyor might use a chain drive system at the beginning of the process to handle heavy loads and then transition to a belt drive system for smoother movement at later stages.

When considering whether to use a chain or belt drive system with conveyor sprockets, it’s essential to assess the application’s needs, including the load capacity, speed, environmental conditions, maintenance requirements, and overall system efficiency. Additionally, selecting the appropriate chain or belt material, as well as the right sprocket size and configuration, is crucial for achieving optimal conveyor performance and longevity.

conveyor sprocket

What are the load-carrying capacities of different conveyor sprocket configurations?

The load-carrying capacity of conveyor sprockets can vary depending on several factors, including the material of the sprocket, the number of teeth, and the design of the conveyor system. Generally, larger sprockets with more teeth can handle higher loads.

Conveyor sprockets are typically designed to conform to industry standards, such as those set by the American National Standards Institute (ANSI) or the International Organization for Standardization (ISO). These standards specify the dimensions and load ratings for different sprocket sizes and configurations.

For heavy-duty applications, conveyor sprockets made from robust materials like cast iron or steel are preferred. These materials offer high strength and durability, allowing them to carry substantial loads without deformation or failure.

The load-carrying capacity is usually indicated by the manufacturer and is based on the maximum allowable radial load and the maximum allowable tangential load. It’s essential to consult the manufacturer’s specifications and guidelines to ensure that the chosen conveyor sprocket is suitable for the intended load and application.

Additionally, factors like conveyor speed, operating temperature, and environmental conditions can also influence the load-carrying capacity of conveyor sprockets. Proper maintenance and lubrication of the sprockets are essential to ensure optimal performance and to prevent premature wear or failure due to excessive loads.

conveyor sprocket

Types of Conveyor Sprockets Used in Various Conveyor Systems

Conveyor sprockets come in various types and configurations to suit different types of conveyor systems and applications. Some of the common types of conveyor sprockets include:

  • Single Strand Sprockets: These sprockets are used in conveyor systems with a single strand of chain or belt. They have teeth on one side to engage with the chain or belt and transmit power for material movement.
  • Double Strand Sprockets: Double strand sprockets are designed for conveyor systems with two parallel strands of chain or belts. They have teeth on both sides to engage with each strand and ensure synchronous movement of the conveyor.
  • Multiplex Sprockets: Multiplex sprockets are used in conveyor systems with multiple strands of chain or belts running in parallel. They are designed to accommodate and engage with several strands at once for efficient power transmission.
  • Tapered Bore Sprockets: These sprockets have a tapered bore that allows for easy installation and removal from the conveyor shaft. The taper helps create a tight fit, ensuring secure power transmission.
  • Split Sprockets: Split sprockets consist of two halves that can be separated and installed around the conveyor shaft without the need to disassemble the entire conveyor system. This design facilitates quick and easy maintenance and replacement.
  • Idler Sprockets: Idler sprockets do not transmit power; instead, they help guide and support the chain or belt in certain conveyor configurations. They are used to maintain proper tension and alignment in the conveyor system.
  • Plastic Conveyor Sprockets: These sprockets are made from plastic materials, such as polyethylene or nylon. They are lightweight, corrosion-resistant, and ideal for applications where metal sprockets may not be suitable.
  • Stainless Steel Conveyor Sprockets: Stainless steel sprockets offer excellent corrosion resistance and are well-suited for applications in wet or harsh environments.
  • Flame or Induction-Hardened Sprockets: These sprockets undergo a heat treatment process to increase their surface hardness and wear resistance, making them suitable for high-wear applications.

The choice of conveyor sprocket type depends on factors such as the conveyor system design, load capacity, speed, environmental conditions, and the type of chain or belt used. Selecting the appropriate sprocket type is essential to ensure efficient and reliable operation of the conveyor system.

In summary, conveyor sprockets are available in various types to meet the diverse requirements of different conveyor systems and industries.

China Best Sales 1240 Series Cast Engineer Cass Conveyor Sprocket  China Best Sales 1240 Series Cast Engineer Cass Conveyor Sprocket
editor by CX 2023-10-23

Conveyor Sprocket

As one of the leading conveyor sprocket manufacturers, suppliers, and exporters of mechanical products, We offer conveyor sprockets and many other products.

Please contact us for details.

Manufacturer supplier exporter of conveyor sprockets.

Recent Posts