| ATTACHMENT METHOD | MOUNTING HOLE |
| BACKLASH DESIGNATION | GRADE A |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.000 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.370 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 1.575 INCHES FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.481 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.688 INCHES |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI/SAE FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| MOUNTING HOLE TYPE AND QUANTITY | 4 THREADED AXIALLY THROUGH BODY, FIRST END |
| 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 | UNC AXIALLY THROUGH BODY, FIRST END |
| NOMINAL OUTSIDE DIAMETER | 2.998 INCHES |
| PITCH DIAMETER | 2.8000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | BORE GROOVED 1.580 IN. DIA,0.090 IN.WIDE AT BOTTOM OF COUNTERBORE,125 MICROINCH FINISH BOTH ENDS,63 MICROINCH FINISH ON TOOTH FACES,MOUNTING HOLES COUNTER SUNK 90 DEGREESPORM 10 DEGREES TO 0.260 IN.MIN,0.280 IN.MAX BOTH ENDS |
| STYLE DESIGNATOR | HUBLESS |
| TEETH QUANTITY | 28 |
| TOOTH FORM | STANDARD |