| ASA STANDARD CHAIN NUMBER | 120 |
| BORE DIAMETER | 1.250 INCHES NOMINAL |
| BORE LENGTH | 2.565 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| DISTANCE FROM HUB END TO FLANGE END | 0.560 INCHES NOMINAL BB END |
| DISTANCE FROM HUB END TO FLANGE END | 1.125 INCHES NOMINAL AA END |
| FACE WIDTH | 0.900 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HOLE LOCATION | FIRST HUB PERIPHERY |
| HUB OUTSIDE DIAMETER | 2.625 INCHES NOMINAL AA END |
| HUB OUTSIDE DIAMETER | 3.475 INCHES NOMINAL BB END |
| MATERIAL | STEEL |
| OUTSIDE DIAMETER | 5.830 INCHES NOMINAL |
| OVERALL LENGTH | 2.565 INCHES NOMINAL |
| PITCH DIAMETER | 5.126 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SECURING HOLE QUANTITY | 1 |
| SECURING METHOD | THREADED HOLE |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | PAINT |
| TEETH QUANTITY PER ROW | 10 |
| TEETH ROW QUANTITY | 1 |
| THREAD SIZE | 3/8-16 |
| TOOTH PITCH | 1.500 INCHES NOMINAL |