| BORE STYLE | W/ KEYWAY BOTH ENDSW/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 1.000 INCHES1.000 INCHES |
| HARDNESS RATING | 56.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL60.0 ROCKWELL C MAXIMUM OVERALL |
| HELIX ANGLE | 20.0000 DEGREES20.0000 DEGREES |
| HUB NOMINAL DIAMETER | 2.250 INCHES FIRST END2.250 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST ENDPLAIN FIRST END |
| KEYWAY NOMINAL WIDTH | 0.375 INCHES BOTH ENDS0.375 INCHES BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 8620H ASSN STD SINGLE MATERIAL RESPONSE OVERALLAISI/SAE 8620H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8620H OVERALLSTEEL COMP 8620H OVERALL |
| PITCH DIAMETER | 4.2000 INCHES NOMINAL4.2000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES20.0000 DEGREES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.312 INCHES FIRST END0.312 INCHES FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.076 INCHES BOTH ENDS1.076 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 4.481 INCHES4.481 INCHES |
| STYLE DESIGNATOR | PROTRUDING HUBPROTRUDING HUB |
| TEETH QUANTITY | 2121 |
| TEETH TYPE | SINGLE HELIXSINGLE HELIX |
| TOOTH DIRECTION | RIGHTRIGHT |
| TOOTH FORM | STUBSTUB |
| BORE NOMINAL DIAMETER | 1.772 INCHES BOTH ENDS1.772 INCHES BOTH ENDS |
| BODY STYLE | PLAIN, SOLIDPLAIN, SOLID |