| Part Number | 728 AC |
| System of Measurement | Metric |
| Contact Angle | 25° |
| Seal Type | Sealed,Open |
| Matched Arrangement | Universal matching |
| Preload | Available |
| For Load Direction | Angular Contact |
| Bore Dia | 8 mm |
| Outer Dia | 24 mm |
| Width | 8 mm |
| Ball Material | Steel,Ceramic |
| Cage Material | Nylon,Phenolic |
| Dynamic Radial Load | 1011.65 lbf |
| Static Radial Load | 494.59 lbf |
| Grease Limited speed (r/min) | 60000 |
| Oil Limited speed (r/min) | 90000 |
| Lubrication | Lubricated |
| ABEC Rating | P5(ABEC-5),P4(ABEC-25) |
| Weight | 0.017 kg |