10A / ASA 50 Sprockets with Hub for DIN 8188 Roller Chains (A-Series)
10A / ASA 50 sprockets with a hub are designed for drives with all types of 10A / ASA 50 (5/8″ × 3/8″) roller chains of the so-called American series (A-series), standardized to ISO 606 (DIN 8188, ANSI B29.1). They are available in simplex, duplex, and triplex designs.
10A-1 / ASA 50-1 (Simplex)
10A-2 / ASA 50-2 (Duplex)
10A-3 / ASA 50-3 (Triplex)
Typical Applications
The 10A / ASA 50 sprockets with a hub are intended for general use in light- and 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:
10A-1-20-N (ASA 50, 5/8” × 3/8”) - 20 Teeth, with Hub (Steel)
| Code Part | Description |
|---|---|
| 10A |
Chain type |
| 1 |
Simplex design |
| 20 |
Number of teeth |
| N |
Design with hub |
| ASA 50 |
Chain designation according to ANSI B29.1 standard (USA) |
| 5/8” × 3/8” |
Chain pitch × inner width |
| 20 Teeth, with Hub (Steel) |
Sprocket design and material |

