Huzhou Dongyao Chain Industry Co., Ltd. is one of the leading manufacturers and suppliers of a series short pitch precision simplex roller chain in China. With abundant experience, we warmly welcome you to buy high quality a series short pitch precision simplex roller chain from our factory. Also, custom service is available.
Product Overview
The DYLinkar A series short pitch precision single-row roller chain is a universal industrial transmission chain manufactured strictly in accordance with the ANSI/ASME B29.1 American standard and the ISO 606 international standard. The A series chain has a more compact shape and a narrower inner pitch width under the same pitch, and is lighter in structure compared to the B series, making it suitable for high-speed and light-load conditions. The DYLinkar A series single-row roller chain is widely used in light industrial machinery, food processing, electronic equipment, packaging conveying, and various automated production lines.
Key Features
Compact design, suitable for high-speed and light-load equipment with limited installation space.
01
Achieves optimal performance without compromising on affordability.
02
The chain plate and the sleeve have high mating accuracy, reducing the impact of polygonal effect.
03
It still maintains a low wear rate in environments with moderate dust or lubrication conditions.
04
It can be directly installed and put into operation after delivery.
05
Technical specifications

Product Images




Material&SurfaceTreatment
| Link plate | 40Mn |
| Main tube | 10CrMnMo |
| Small tube | Q195 |
| Pin shaft | 40Cr |
| Part processing | Heat treatment and quenching |
| Bright band | More than 90% |
| Service life |
More than 50,000 kilometers |
Available Options
| Links | 100 - 300 Links |
| Color | Natural / Yellow / Blue |
| Type | Standard / Heavy duty |
| Master link | Clip / Rivet |
| Packaging | Carton / Pallet |
Application
- Electronic equipment and precision machinery - Compatible with mobile phone assembly lines, PCB board conveying equipment, and internal transmission systems of precision instruments.
- Food and beverage packaging conveying – Used for packaging equipment such as bottle washing machines, filling machines, and labeling machines.
- Lightweight material transportation and sorting – Suitable for express sorting lines, airport luggage conveyors, and e-commerce warehouse transportation systems.
- Textile machinery and light industrial equipment - Includes the main or auxiliary power transmission of equipment such as looms, twisting machines, printing machines, etc.
Compatibility
- Comply strictly with ANSI/ASME B29.1 and ISO 606 standards - the size specifications fully meet the requirements of the American Standard A series, and there is no need to worry about compatibility issues when selecting.
- Specialized A Series Standard Single-Row Sprocket - For single-row structure, the corresponding A Series Standard Single-Row Sprocket of the specified specification must be used; it cannot be mixed with B Series Sprockets.
- Compatible with the A series double-row sprocket of the same model – If the actual load of the equipment using the double-row sprocket is relatively small, a single-row chain can be used as an alternative.
- The connecting pieces must be of single-row specification – they must not use double-row or multi-row chain connecting pieces.
- Wide compatibility with the same model products of mainstream brands – It can directly replace the A series single-roller chains of brands such as DID, Tsubaki, RK, KMC, Guaneng, etc. (such as ANSI 25-1, 35-1, 40-1, 50-1, 60-1, 80-1, etc.).
Product Delivery

Customization capability
2.Material grade
3.Connection method
4.Customize the links / length of sections
5.Packaging and accessories
6.Brand customization (OEM/ODM)
FAQ
Q:What exactly is an industrial roller chain?
A: An industrial roller chain is a robust, mechanical power transmission component made of interconnected links with cylindrical rollers.
Q: What are the different types of industrial roller chains available (e.g., single strand, double strand, leaf chain, etc.)?
A:Industrial roller chains vary by strand count (single, double, triple), construction (standard, heavy-duty, solid bushing), pitch (regular, double-pitch), and application-specific features like corrosion resistance (stainless, nickel-plated) or specialized designs for lifting (leaf chains), conveying (conveyor chains with attachments), or harsh environments.
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