12A / ASA 60 Plate Wheels for DIN 8188 Roller Chains (A-Series)
12A / ASA 60 plate wheels (flat sprockets without hub) are designed for drives with all types of 12A / ASA 60 (3/4″ × 1/2″) 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.
12A-1 / ASA 60-1 (Simplex)
12A-2 / ASA 60-2 (Duplex)
12A-3 / ASA 60-3 (Triplex)
Typical Applications
The 12A / ASA 60 plate wheels 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:
12A-1-57-P (ASA 60, 3/4” × 1/2”) - 57 Teeth, without Hub (Steel)
| Code Part | Description |
|---|---|
| 12A |
Chain type |
| 1 |
Simplex design |
| 57 |
Number of teeth |
| P |
Flat design without a hub (also known as a plate wheel or chain disc) |
| ASA 60 |
Chain designation according to ANSI B29.1 standard (USA) |
| 3/4” × 1/2” |
Chain pitch × inner width |
| 57 Teeth, without Hub (Steel) |
Sprocket design and material |
Documents for Download
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