| DISTANCE FROM HUB END TO FLANGE END | 0.29975 INCHES NOMINAL BOTH ENDS |
| ASA STANDARD CHAIN NUMBER | 40 |
| BORE DIAMETER | 1.2430 INCHES MINIMUM AND 1.2480 INCHES MAXIMUM |
| BORE LENGTH | 1.438 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 0.563 INCHES NOMINAL |
| DESIGN FORM | PLAIN |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.6446 INCHES MINIMUM AND 0.7494 INCHES MAXIMUM |
| FURNISHED ITEMS | KEYING FACILITY |
| FACE WIDTH | 0.838 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| HUB OUTSIDE DIAMETER | 3.500 INCHES NOMINAL BOTH ENDS |
| KEYWAY WIDTH | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| KEYING FACILITY TYPE | KEYWAY |
| OUTSIDE DIAMETER | 4.420 INCHES NOMINAL |
| OVERALL LENGTH | 1.438 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI B1113 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1213 |
| METALLIC HARDNESS RATING AND LOCATION | 35.0 ROCKWELL C MINIMUM BODY AND 45.0 ROCKWELL C MAXIMUM BODY |
| PITCH DIAMETER | 4.148 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| QUANTITY | 1 |
| SPECIAL FEATURES | HUB CHAMFERED ONE END 1/8 IN BY 45 DEG; OIL HOLE 1/8 IN. DIA LOCATED BETWEEN CENTER ROW OF TEETH THROUGH TO BORE |
| STYLE DESIGNATOR | PLAIN |
| TEETH HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| TEETH QUANTITY PER ROW | 26 |
| TEETH ROW QUANTITY | 2 |
| TOOTH PITCH | 0.500 INCHES NOMINAL |