| STYLE DESIGNATOR | WEBBED OR SPOKED |
| OUTSIDE DIAMETER | 193.5 MILLIMETERS NOMINAL |
| OVERALL LENGTH | 57.5 MILLIMETERS NOMINAL |
| PITCH DIAMETER | 190.5 MILLIMETERS NOMINAL |
| FACE WIDTH | 20.0 MILLIMETERS NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | 60.325 MILLIMETERS MINIMUM BB END AND |
| 60.452 MILLIMETERS MAXIMUM BB END |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 4.8 MILLIMETERS NOMINAL AA END AND |
| 37.5 MILLIMETERS NOMINAL BB END |
| DESIGN FORM | WEBBED |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| MATERIAL AND LOCATION | IRON, CAST OVERALL |
| GROOVE SHAPE | V |
| GROOVE QUANTITY | 1 |
| GROOVE WIDTH | 12.7 MILLIMETERS NOMINAL |
| V GROOVE ANGLE IN DEG | 36.0 |
| BORE FEATURE | INCLUDED |
| BEARINGS | NOT INCLUDED |
| BORE TYPE | INVOLUTE SPLINE |
| SPLINE PITCH DIAMETER | 46.566 MILLIMETERS NOMINAL |
| SPLINE MAJOR DIAMETER | 48.043 MILLIMETERS MINIMUM AND |
| 48.151 MILLIMETERS MAXIMUM |
| SPLINE MINOR DIAMETER | 45.331 MILLIMETERS MINIMUM AND |
| 46.032 MILLIMETERS MAXIMUM |
| SPLINE LENGTH | 28.5 MILLIMETERS NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| FIRST STEP FACE LARGEST DIAMETER AND LOCATION | 78.64 MILLIMETERS MINIMUM BB END AND |
| 78.79 MILLIMETERS MAXIMUM BB END |
| SECOND STEP FACE LARGEST DIAMETER AND LOCATION | 83.0 MILLIMETERS NOMINAL BB END |
| FIRST STEP LENGTH AND LOCATION | 22.50 MILLIMETERS MINIMUM BB END AND |
| 22.75 MILLIMETERS MAXIMUM BB END |
| SECOND STEP LENGTH AND LOCATION | 6.0 MILLIMETERS NOMINAL BB END |
| THIRD STEP LENGTH AND LOCATION | 8.75 MILLIMETERS MINIMUM BB END AND |
| 9.00 MILLIMETERS MAXIMUM BB END |
| HUB END OUTSIDE DIAMETER AND LOCATION | 60.325 MILLIMETERS MINIMUM BB END AND |
| 60.452 MILLIMETERS MAXIMUM BB END |
| SPLIT HUB FEATURE | NOT INCLUDED |
| SECURING METHOD | THREADED HOLE |
| SECURING LOCATION | PULLEY SURFACE |
| SECURING HOLE QUANTITY | 4 |
| THREAD SIZE | 7/16-20 |
| HOLE LOCATION | THRU BODY |