| model | 4309 ATN9 |
| Bearing Type | Ball |
| Load Direction | Radial |
| Structure | Double row |
| Seal Type | Open |
| Inside Diameter | 45 mm |
| Inner Diameter Tolerance | -0.012mm to 0 |
| Outer Diameter | 100 mm |
| Outer Diameter Tolerance | -0.015mm to 0 |
| Width | 36 mm |
| Width Tolerance | -0.12mm to 0 |
| Ferrule Material | 51200 Chrome steel |
| Ball Material | 51200 Chrome steel |
| Cage Material | Nylon |
| Dynamic Radial Load | 15489 lbf |
| Static Radial Load | 12589 lbf |
| Max Speed(X1000 rpm) | 6 |
| Reference speed(X1000 rpm) | 11 |
| Lubricant | None |
| Temperature Range | -30° to 110 °C |
| ABEC Standard | P0 |
| RoHS Standard | Conform |
| Weight | 1.25 kg |