| MATERIAL | STEEL COMP 8620H OR |
| STEEL COMP 8720H OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE8620H ASSN STD 1ST MATERIAL RESPONSE OR |
| SAE8720H ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND |
| 63.0 ROCKWELL C MAXIMUM OVERALL |
| CONSTRUCTION | SOLID |
| DESIGN TYPE | SPUR ALL GEARS |
| NOMINAL OUTSIDE DIAMETER | 5.885 INCHES FIRST GEAR |
| 4.884 INCHES SECOND GEAR |
| NOMINAL OVERALL LENGTH | 3.531 INCHES |
| BORE STYLE | W/COUNTERBORE FIRST END |
| BORE NOMINAL DIAMETER | 2.125 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.562 INCHES FIRST COUNTERBORE FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 3.250 INCHES FIRST COUNTERBORE FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| PLAIN SECOND END |
| PINNED BETWEEN FIRST AND SECOND GEAR |
| HUB NOMINAL LENGTH | 0.562 INCHES FIRST END |
| 0.125 INCHES SECOND END |
| 1.469 INCHES BETWEEN FIRST AND SECOND GEAR |
| HUB NOMINAL DIAMETER | 3.875 INCHES FIRST END |
| 2.625 INCHES SECOND END |
| 3.125 INCHES BETWEEN FIRST AND SECOND GEAR |
| SPECIAL FEATURES | COUNTERBORE SPLINED,INVOLUTE,24 TEETH |