| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 6.562 INCHES NOMINAL |
| OVERALL LENGTH | 2.188 INCHES NOMINAL |
| PITCH DIAMETER | 6.438 INCHES NOMINAL |
| FACE WIDTH | 0.782 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | 2.375 INCHES MINIMUM AA END AND |
| 2.380 INCHES MAXIMUM AA END |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.406 INCHES NOMINAL AA END |
| DESIGN FORM | PLAIN |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| MATERIAL AND LOCATION | IRON, CAST OVERALL |
| GROOVE SHAPE | V |
| GROOVE QUANTITY | 1 |
| GROOVE DEPTH | 0.562 INCHES NOMINAL |
| GROOVE WIDTH | 0.500 INCHES NOMINAL |
| V GROOVE ANGLE IN DEG | 36.0 |
| BORE FEATURE | INCLUDED |
| BEARINGS | NOT INCLUDED |
| BORE TYPE | INVOLUTE SPLINE |
| SPLINE QUANTITY | 44 |
| SPLINE PRESSURE ANGLE IN DEG | 45.0 |
| SPLINE PITCH DIAMETER | 1.8333 INCHES NOMINAL |
| SPLINE MAJOR DIAMETER | 1.892 INCHES MINIMUM AND |
| 1.896 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 1.808 INCHES MINIMUM AND |
| 1.812 INCHES MAXIMUM |
| SPLINE LENGTH | 1.000 INCHES NOMINAL |
| COUNTERBORE FEATURE | NOT INCLUDED |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| FIRST STEP FACE LARGEST DIAMETER AND LOCATION | 3.096 INCHES MINIMUM AA END AND |
| 3.102 INCHES MAXIMUM AA END |
| SECOND STEP FACE LARGEST DIAMETER AND LOCATION | 3.250 INCHES NOMINAL AA END |
| FIRST STEP LENGTH AND LOCATION | 0.281 INCHES NOMINAL AA END |
| SECOND STEP LENGTH AND LOCATION | 0.281 INCHES NOMINAL AA END |
| HUB END OUTSIDE DIAMETER AND LOCATION | 2.375 INCHES MINIMUM AA END AND |
| 2.380 INCHES MAXIMUM AA END |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.406 INCHES NOMINAL AA END |
| SPLIT HUB FEATURE | NOT INCLUDED |
| SECURING METHOD | THREADED HOLE |
| SECURING LOCATION | PULLEY SURFACE |
| SECURING HOLE QUANTITY | 4 |
| THREAD SIZE | 3/16-24 |
| BOLT CIRCLE DIAMETER | 2.750 INCHES NOMINAL |
| HOLE LOCATION | EQUALLY SPACED AROUND BORE |