| COUNTERBORE DEPTH | 0.614 INCHES MINIMUM AND |
| 0.624 INCHES MAXIMUM AND |
| 0.7047 INCHES MINIMUM AND |
| 0.7147 INCHES MAXIMUM |
| BORE DIAMETER | 2.875 INCHES NOMINAL |
| DESIGN FORM | PLAIN |
| TEETH ROW QUANTITY | 2 |
| TEETH QUANTITY PER ROW | 22 |
| TOOTH PITCH | 0.750 INCHES NOMINAL |
| MATERIAL | STEEL COMP 1213 |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1113 ASSN STD SINGLE MATERIAL RESPONSE |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 5.675 INCHES NOMINAL |
| OVERALL LENGTH | 2.344 INCHES NOMINAL |
| PITCH DIAMETER | 5.270 INCHES NOMINAL |
| FACE WIDTH | 1.341 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 0.897 INCHES NOMINAL |
| ASA STANDARD CHAIN NUMBER | 60 |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| TEETH HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND |
| 50.0 ROCKWELL C MAXIMUM |
| BORE TYPE | STRAIGHT |
| COUNTERBORE LOCATION | BOTH ENDS |
| COUNTERBORE DIAMETER | 3.1491 INCHES NOMINAL |
| BORE LENGTH | 2.344 INCHES NOMINAL |
| HUB OUTSIDE DIAMETER | 4.375 INCHES NOMINAL BOTH ENDS |
| FURNISHED ITEMS | COUNTERBORE |
| DISTANCE FROM HUB END TO FLANGE END | 0.673 INCHES NOMINAL AA END |
| 0.324 INCHES MINIMUM AND |
| 0.334 INCHES MAXIMUM BB END |
| SECURING METHOD | THREADED HOLE |
| SECURING LOCATION | AA END |
| SECURING HOLE QUANTITY | 4 |
| THREAD SIZE | 5/16-24 |
| HOLE LOCATION | LOCATED 90 DEG APART,HORIZONTAL TO BORE ON 3-3/4 IN. BOLT CIRCLE |
| BOLT CIRCLE DIAMETER | 3.750 INCHES NOMINAL |
| SPECIAL FEATURES | 0.062 IN. BY 45 DEG CHAMFER BOTH ENDS OF BORE; 0.031 IN. DEEP BY 0.125 IN. W RELIEF AT BOTTOM OF COUNTERBORE BOTH ENDS |