| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.875 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE NOMINAL DIAMETER | 2.502 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 1.000 INCHES |
| HARDNESS RATING | 96.0 ROCKWELL C MINIMUM AND 102.0 ROCKWELL C MAXIMUM OVERALL |
| HUB NOMINAL DIAMETER | 3.250 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.376 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 4.875 INCHES |
| KEYWAY NOMINAL WIDTH | 0.250 INCHES BOTH ENDS |
| MATERIAL | ALUMINUM OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.164 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 36 AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED AXIALLY THROUGH BODY, FIRST END |
| SPECIAL FEATURES | 3.375 IN. DIA BY 0.125 IN. DEEP RECESS CUT IN FACE OF GEAR |
| PITCH DIAMETER | 4.5000 INCHES NOMINAL |
| PRESSURE ANGLE | 14.5000 DEGREES |
| TOOTH FORM | STANDARD |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 27 |