| Part Number | B539DD |
| Standard Reference | MS27646-39 |
| System of Measurement | Inch |
| Bore Dia | 0.75″ |
| Bore Dia Tolerance | -0.0007″ to 0.0007″ |
| Outer Dia | 1.1875″ |
| Outer Dia Tolerance | -0.001″ to 0″ |
| Ring Width Outer Height | 0.25″ |
| Ring Width Outer Height Tolerance | -0.005″ to 0″ |
| Ring Width Inner Width | 0.281″ |
| Ring Width Inner Width Tolerance | -0.005″ to 0″ |
| Ball Complement No | 24 |
| Ball Complement Dia | 1/8″ |
| Ring Shoulder Outer | 1.022″ |
| Ring Shoulder Inner | 0.905″ |
| Ring Chamfer Outer | 0.015″ |
| Ring Chamfer Outer Tolerance | 0″ to 0.015″ |
| Ring Chamfer Inner | 0.015″ |
| Ring Chamfer Inner Tolerance | 0″ to 0.015″ |
| Radial Internal Clearance | 0.0008″ to 0.0018″ |
| Static Radial Load | 3750 lbs |
| Static Thrust Load | 1700 lbs |
| Dynamic Radial Ring Inner Load | 2050 lbs |
| Dynamic Radial Ring Outer Load | 1900 lbs |
| Max Starting Torque | 2 oz-in |
| Weight | 0.04 lbs |
