Komatsu RETAINER Size Chart (mm/inches) |
|---|
| Bearing number | 6906ZENR |
| Size (mm) | 30x47x9 |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 47 |
| Width (mm) | 9 |
| d | 30 mm |
| D | 47 mm |
| B | 9 mm |
| C | 9 mm |
| a | 1.7 mm |
| b | 0.95 mm |
| f | 0.85 mm |
| r min. | 0.3 mm |
| r1 min. | 0.3 mm |
| D1 | 45.7 mm |
| D2 | 49.8 mm |
| Weight | 0.047 Kg |
| Basic dynamic load rating (C) | 7,25 kN |
| Basic static load rating (C0) | 5 kN |
| (Grease) Lubrication Speed | 14000 r/min |
| Enclosure | Single Shield with Snap Ring |
| Bore Type | Cylindrical Bore |
| Configuration | Single Row |
| Bore Size | 30 mm |
| Outside Diameter | 47 mm |
| Width | 9 mm |
| Fillet Radius/Chamfer | 0.3 mm |
| r1 | 0.3 mm |
| Snap Ring Width | 0.9 mm |
| Snap Ring Outside Diameter | 49.8 mm |
| D1 (max) | 45.7 mm |
| a (max) | 1.7 mm |
| b (min) | 1 mm |
| Dynamic Load Rating | 7,250 N |
| Static Load Rating | 5,000 N |
| Limiting Speed - Grease | 14,000 rpm |
| Limiting Speed - Oil | 17,000 rpm |
| Factor fo | 15.8 |
| Radial Clearance | 0.005 to 0.020 mm |
| da (min) | 32 mm |
| Da (max) | 45 mm |
| Dx (min) | 50.5 mm |
| ra (max) | 0.3 mm |
| Cy (max) | 2.3 mm |