| Part Number | MKP56B |
| Standard Reference | MS27642-S-56S |
| System of Measurement | Inch |
| Bore Dia | 3.5″ |
| Bore Dia Tolerance | -0.0010″ to 0″ |
| Outer Dia | 4.4375″ |
| Outer Dia Tolerance | -0.0010″ to 0″ |
| Ring Width Outer Height | 0.469″ |
| Ring Width Outer Height Tolerance | -0.005″ to 0″ |
| Ring Width Inner Width | 0.531″ |
| Ring Width Inner Width Tolerance | -0.0025″ to 0″ |
| Ball Complement No | 50 |
| Ball Complement Dia | 1/4″ |
| Ring Shoulder Outer | 4.248″ |
| Ring Shoulder Inner | 3.73″ |
| Ring Chamfer Outer | 0.039″ |
| Ring Chamfer Outer Tolerance | 0″ to 0.015″ |
| Ring Chamfer Inner | 0.039″ |
| Ring Chamfer Inner Tolerance | 0″ to 0.015″ |
| Radial Internal Clearance | 0.0001″ to 0.0005″ |
| Static Radial Load | 31200 lbs |
| Static Thrust Load | 13700 lbs |
| Dynamic Radial Ring Inner Load | 8240 lbs |
| Dynamic Radial Ring Outer Load | 7970 lbs |
| Max Starting Torque | (4) oz-in |
| Weight | 0.7 lbs |