| Enduro | Maximum Capacity Ball Bearing | 
|---|---|
| Inner Diameter, d | 30 mm | 
| Outer Diameter, D | 72 mm | 
| Width, B | 19 mm | 
| Backface Radius, r | 1.0 mm | 
| Dynamic Capacity, Cr. | 22,600 N | 
| Static Capacity, Cor. | 42,800 N | 
| Weight | 0.85 lb | 
Manufacturer's Part Numbers:
- NTN BL306
 - NSK BL306
 
