| Bearing number | 6903N |
| Size (mm) | 17x30x7 |
| Bore Diameter (mm) | 17 |
| Outer Diameter (mm) | 30 |
| Width (mm) | 7 |
| d | 17 mm |
| D | 30 mm |
| B | 7 mm |
| C | 7 mm |
| a | 1.3 mm |
| b | 0.95 mm |
| r min. | 0.3 mm |
| r1 min. | 0.3 mm |
| D1 | 28.7 mm |
| Weight | 0.019 Kg |
| Basic dynamic load rating (C) | 4,6 kN |
| Basic static load rating (C0) | 2,55 kN |
| (Grease) Lubrication Speed | 24000 r/min |
| Bore Type | Cylindrical Bore |
| Enclosure | Open |
| Configuration | Single Row |
| Bore Size | 17 mm |
| Outside Diameter | 30 mm |
| Width | 7 mm |
| Fillet Radius/Chamfer | 0.3 mm |
| r1 | 0.3 mm |
| Groove Width | 1 mm |
| Groove Diameter | 28.7 mm |
| a (max) | 1.3 mm |
| Dynamic Load Rating | 4,600 N |
| Static Load Rating | 2,550 N |
| Limiting Speed - Grease | 24,000 rpm |
| Limiting Speed - Oil | 29,000 rpm |
| Factor fo | 14.7 |
| Radial Clearance | 0.003 to 0.018 mm |
| da (min) | 19 mm |
| Da (max) | 28 mm |
| Dx (min) | 33.5 mm |
| ra (max) | 0.3 mm |
| Cy (max) | 1.8 mm |
