NAV 4909 Needle Roller Bearing 45x68x22mm
| Model Number |
205-376 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NAV 4909 Needle Roller Bearing 45x68x22mm Size Chart (mm/inches) |
|---|
| Bearing number | 7211BDT |
| Size (mm) | 55x100x21 |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 21 |
| d | 55 mm |
| D | 100 mm |
| B | 21 mm |
| C | 21 mm |
| Angle (α) | 40 ° |
| a | 22.1 mm |
| r min. | 1.5 mm |
| r1 min. | 1 mm |
| 2B | 42 mm |
| da min. | 60 mm |
| Da max. | 94.6 mm |
| ra max. | 1 mm |
| Weight | 0.635 Kg |
| Basic dynamic load rating (C) | 78 kN |
| Basic static load rating (C0) | 74,5 kN |
| (Grease) Lubrication Speed | 4000 r/min |
| Bore Type | Cylindrical Bore |
| Enclosure | Open |
| Configuration | Duplex |
| Bore Size | 55 mm |
| Outside Diameter | 100 mm |
| Width | 21 mm |
| Fillet Radius/Chamfer | 1.5 mm |
| r1 | 1 mm |
| Dynamic Load Rating | 78,000 N |
| Static Load Rating | 74,500 N |
| Limiting Speed - Grease | 4,000 rpm |
| Limiting Speed - Oil | 5,500 rpm |
| da1 (min) | 64 mm |
| da2 (min) | 60 mm |
| Da1 (max) | 91 mm |
| Da2 (max) | 94.6 mm |
| ra (max) | 1.5 mm |
| ra1 (max) | 1 mm |