All dimensions are nominal values and for reference only
| U.S. Tsubaki Power Transmission, LLC | |
|---|---|
| Product Category | ANSI Roller Chain Sprockets |
| Product Number | US-1242C21 |
| Product Name | Sprocket Number US-1242 |
| Pitch | 4.063 in |
| Hub Style | Type C (Hub Both Sides) |
| Number of Teeth | 21 |
| Bore | 6.5 inch (165 mm) |
