| STYLE DESIGNATOR | WEBBED OR SPOKED |
| OUTSIDE DIAMETER | 3.813 INCHES NOMINAL |
| OVERALL LENGTH | 2.188 INCHES NOMINAL |
| PITCH DIAMETER | 3.500 INCHES NOMINAL |
| FACE WIDTH | 0.750 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | 1.250 INCHES NOMINAL BOTH ENDS |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.438 INCHES NOMINAL BOTH ENDS |
| DESIGN FORM | WEBBED |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| MATERIAL AND LOCATION | IRON, N, 46-I-5, CLASS A OVERALL |
| GROOVE SHAPE | V |
| GROOVE QUANTITY | 1 |
| GROOVE DEPTH | 0.563 INCHES NOMINAL |
| GROOVE WIDTH | 0.450 INCHES NOMINAL |
| V GROOVE ANGLE IN DEG | 38.0 |
| BORE FEATURE | INCLUDED |
| BEARINGS | NOT INCLUDED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 0.625 INCHES MINIMUM AND |
| 0.630 INCHES MAXIMUM |
| BORE LENGTH | 2.125 INCHES NOMINAL |
| COUNTERBORE FEATURE | NOT INCLUDED |
| KEYING FACILITY | INCLUDED |
| KEYING FACILITY TYPE | KEYWAY |
| QUANTITY | 1 |
| KEYWAY WIDTH | 0.188 INCHES NOMINAL |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.406 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| FIRST STEP FACE LARGEST DIAMETER AND LOCATION | 2.031 INCHES NOMINAL BOTH ENDS |
| FIRST STEP LENGTH AND LOCATION | 0.063 INCHES NOMINAL BOTH ENDS |
| SPLIT HUB FEATURE | NOT INCLUDED |
| SECURING METHOD | THREADED HOLE |
| SECURING LOCATION | BOTH ENDS |
| SECURING HOLE QUANTITY | 2 |
| THREAD SIZE | 1/4 - 20 |
| FURNISHED ITEMS AND QUANTITY | KEY,1; SETSCREWS,2 |
| SPECIAL FEATURES | 1 HOLE LOCATED IN BOTTOM OF PULLEY GROOVE |
| HOLE LOCATION | LOCATED ON TOP OF KEYWAY |