| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 4.000 INCHES AXIALLY THROUGH BODY FIRST END |
| BORE NOMINAL DIAMETER | 2.500 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 3.000 INCHES |
| HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM TEETH |
| KEYWAY NOMINAL WIDTH | 0.625 INCHES BOTH ENDS |
| PITCH DIAMETER | 6.3330 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.625 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 11 AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED AXIALLY THROUGH BODY FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.517 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 7.000 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 6 OR QUALITY NUMBER 7 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | HUBLESS |
| SURFACE TREATMENT | OXIDE OVERALL |
| TEETH QUANTITY | 19 |
| TOOTH FORM | STANDARD |