| DESIGN FORM | WEBBED |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.813 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.312 INCHES NOMINAL AA END |
| ASA STANDARD CHAIN NUMBER | 80-1 |
| BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED | ROLLER CHAIN |
| BORE BEARING | NOT INCLUDED |
| BORE DIAMETER | 1.250 INCHES NOMINAL |
| BORE LENGTH | 2.500 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| FACE WIDTH | 1.188 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| KEYING FACILITY | INCLUDED |
| KEYING FACILITY TYPE | KEYWAY |
| KEYWAY WIDTH | 0.375 INCHES NOMINAL |
| LIGHTENING HOLE | INCLUDED |
| HUB END OUTSIDE DIAMETER AND LOCATION | 2.750 INCHES NOMINAL BOTH ENDS |
| III STYLE DESIGNATOR | WEBBED OR SPOKED |
| PITCH DIAMETER | 7.979 INCHES NOMINAL |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 8.520 INCHES NOMINAL |
| OVERALL LENGTH | 2.500 INCHES NOMINAL |
| QUANTITY | A1 |
| ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED | SINGLE PITCH |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 25 |
| TOOTH PITCH | 1.000 INCHES NOMINAL |