| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.250 INCHES AXIALLY THROUGH BODY FIRST END |
| BORE NOMINAL DIAMETER | 1.000 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.375 INCHES |
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1045 OVERALL |
| PITCH DIAMETER | 7.7500 INCHES NOMINAL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.250 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 28 AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 4 THREADED AXIALLY THROUGH BODY FIRST END |
| NOMINAL OUTSIDE DIAMETER | 7.805 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| PRESSURE ANGLE | 14.5000 DEGREES |
| STYLE DESIGNATOR | HUBLESS |
| TEETH QUANTITY | 279 |
| TOOTH FORM | STANDARD |