20A / ASA 100 Sprockets with Hub for DIN 8188 Roller Chains (A-Series)
20A / ASA 100 sprockets with a hub are designed for drives with all types of 20A / ASA 100 (1 1/4″ × 3/4″) roller chains of the so-called American series (A-series), standardized to ISO 606 (DIN 8188, ANSI B29.1). They are available in simplex and duplex designs.
20A-1 / ASA 100-1 (Simplex)
20A-2 / ASA 100-2 (Duplex)
Typical Applications
The 20A / ASA 100 sprockets with a hub are intended for general use in medium-duty applications.
Typical applications include power-transmission drives; they are also used in lifting equipment and material-handling systems.
Materials
C43 steel.
Other materials on request.
Sprocket Code Description
Example:
20A-1-16-N (ASA 100, 1 1/4” × 3/4”) - 16 Teeth, with Hub (Steel)
| Code Part | Description |
|---|---|
| 20A |
Chain type |
| 1 |
Simplex design |
| 16 |
Number of teeth |
| N |
Design with hub |
| ASA 100 |
Chain designation according to ANSI B29.1 standard (USA) |
| 1 1/4” × 3/4” |
Chain pitch × inner width |
| 16 Teeth, with Hub (Steel) |
Sprocket design and material |
Documents for Download
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