20A-2 Donghua Straight Connecting Link (with Cotter Pin, ASA100-2, 1 1/4″ × 3/4″, DIN 8188)
Roller Chain
Specifications
In the TYMA Product Catalogues you can find this material also described with the abbreviation ST.
Chain Description
20A-2 Donghua Straight Connecting Link (with Cotter Pin, ASA100-2, 1 1/4″ × 3/4″, DIN 8188) is intended for 20A-2 / ASA 100-2 duplex drive chains, which are standardized according to ISO 606 (DIN 8188, ANSI B29.1), meaning they belong to the American A-series.
The chain consists of outer links with pins and inner links with bushes, on which freely rotating rollers are mounted. The chain is made of steel.
Construction
- Inner link
- Outer link
- Pin
- Bushing
- Roller
Typical Applications
20A-2 / ASA 100-2 roller chains are designed for general applications, particularly in medium industry.
They are primarily used as drive chains but can also be fitted with attachments for material handling and lifting.
Materials
Steel.
Documents for Download
Dimensions and Parameters of DIN 8188 Standard Duplex Roller Chains
TYMA CZ Data Sheets
Czech and English (PDF 272.99 kB)
Related Products
20A-2 / ASA 100-2 Sprockets with Hub for DIN 8188 Roller Chains (A-Series)
Universal Chain Tensioners
Sliding blocks, sprockets with screw and idler sprockets for tensioning of industrial roller chains during operation.
Sliding Chain Guides for Separate Mounting
Standard chain sliding guides fixed separately directly on the machines.
Chain Wear Gauges
Mechanical devices designed to roller chains, fleyer chains and other types of lifting and drive chains wear detection.
Questions about This Product?
Don’t hesitate to contact us – our specialists will be happy to help with any questions about this chain.
Chain Manufacturer Profile
Hangzhou Donghua Chain Group Co., Ltd. was founded in 1991 and has been one of the leaders in China's chain drive market since the late 1990s. It operates research and production centers not only in China, but also in Germany, Poland and Japan, and runs eight overseas branches – including locations in the Netherlands, the UK, the USA and Thailand.
Donghua chains and sprockets are used across a wide range of industrial sectors – from the automotive and food industries to healthcare – as well as in agriculture.
The company strives to become a global leader in chain drive technology. It invests heavily in R&D, advanced materials and production automation to deliver highly precise and high-performance solutions for demanding applications.
Related Articles
New Guide: How to Identify a Chain?
In 5 steps, we walk you through identifying an unmarked roller chain so you can choose the right replacement on the first try.
High-Quality Roller Chains by KettenWulf. Clearly Explained
From standard DIN 8187 types through reinforced or corrosion-resistant variants, all the way to the premium TGI series. Our Eshop offering is now broader and more structured.