08A / ASA 40 Sprockets with Hub for DIN 8188 Roller Chains (A-Series)
08A / ASA 40 sprockets with a hub are designed for drives with all types of 08A / ASA 40 (1/2″ × 5/16″) 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.
08A-1 / ASA 40-1 (Simplex)
08A-2 / ASA 40-2 (Duplex)
08A-3 / ASA 40-3 (Triplex)
Typical Applications
The 08A / ASA 40 sprockets with a hub are intended for general use in light industry.
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:
08A-1-25-N (ASA 40, 1/2” × 5/16”) - 25 Teeth, with Hub (Steel)
| Code Part | Description |
|---|---|
| 08A |
Chain type |
| 1 |
Simplex design |
| 25 |
Number of teeth |
| N |
Design with hub |
| ASA 40 |
Chain designation according to ANSI B29.1 standard (USA) |
| 1/2” × 5/16” |
Chain pitch × inner width |
| 25 Teeth, with Hub (Steel) |
Sprocket design and material |
Documents for Download
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