| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 1.180 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| BORE STYLE | W/STEPPED COUNTERBORE SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 2.000 INCHES SECOND COUNTERBORE SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 2.250 INCHES FIRST COUNTERBORE SECOND END |
| COUNTERBORE NOMINAL DEPTH | 0.008 INCHES SECOND COUNTERBORE SECOND END |
| COUNTERBORE NOMINAL DEPTH | 0.397 INCHES FIRST COUNTERBORE SECOND END |
| FACE NOMINAL WIDTH | 0.975 INCHES |
| HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL |
| HUB NOMINAL DIAMETER | 2.020 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| KEYWAY NOMINAL WIDTH | 0.376 INCHES BOTH ENDS |
| PITCH DIAMETER | 4.2500 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 41L40 OVERALL |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.759 INCHES BOTH ENDS |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.768 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 4.414 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 9 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 51 |