| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, SOLID |
| BORE NOMINAL DIAMETER | 0.570 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 0.318 INCHES |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| HUB NOMINAL DIAMETER | 0.820 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PINNED FIRST END |
| KEYWAY NOMINAL WIDTH | 0.125 INCHES BOTH ENDS |
| MATERIAL | STEEL COMP 4130 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.164 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.354 INCHES BOTH ENDS |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.372 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 1.954 INCHES |
| PITCH DIAMETER | 1.8750 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 9 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| TEETH QUANTITY | 45 |
| TOOTH FORM | STANDARD |