| ASA STANDARD CHAIN NUMBER | 50 |
| BORE DIAMETER | 1.875 INCHES MINIMUM AND 1.876 INCHES MAXIMUM |
| BORE LENGTH | 2.367 INCHES MINIMUM AND 2.375 INCHES MAXIMUM |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| DISTANCE FROM HUB END TO FLANGE END | 0.998 INCHES MINIMUM AND 1.016 INCHES MAXIMUM BB END |
| DISTANCE FROM HUB END TO FLANGE END | 1.016 INCHES NOMINAL AA END |
| FURNISHED ITEMS | BORE BEARING |
| FACE WIDTH | 0.343 INCHES MINIMUM AND 0.353 INCHES MAXIMUM |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HUB OUTSIDE DIAMETER | 2.375 INCHES NOMINAL BOTH ENDS |
| LUBRICATION MODE | NO VISIBLE MEANS |
| OUTSIDE DIAMETER | 3.915 INCHES MINIMUM AND 3.920 INCHES MAXIMUM |
| OVERALL LENGTH | 2.367 INCHES MINIMUM AND 2.375 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-681,CLASS 4B1 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| PITCH DIAMETER | 3.599 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SECURING LOCATION | BOTH ENDS |
| SECURING METHOD | RETAINING PLATE |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | PHOSPHATE |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 18 |
| TOOTH PITCH | 0.625 INCHES NOMINAL |