55 mm x 80 mm x 25 mm skf NA 4911 Needle roller bearings with machined rings with an inner ring
| Brand Name |
skf |
| Model Number |
NA 4911 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
skf NA 4911 bearing Size Chart (mm/inches) |
|---|
| d | 65 mm |
| D | 120 mm |
| B | 23 mm |
| rs min | 1.5 mm |
| Radial clearance class | CN |
| Mass | 0.99 kg |
| Dynamic load, C | 57.5 kN |
| Static load, C0 | 40 kN |
| Fatigue limit load, Cu | 1.82 kN |
| f0 | 14.4 |
| Nlim (grease) | 5,500 rpm |
| Min operating temperature, Tmin | -25 °C |
| Max operating temperature, Tmax | 110 °C |
| Characteristic cage frequency, FTF | 0.41 Hz |
| Characteristic rolling element frequency, BSF | 5.37 Hz |
| Characteristic outer ring frequency, BPF0 | 4.1 Hz |
| Characteristic inner ring frequency, BPFI | 5.9 Hz |
| da min | 73 mm |
| da max | 80.5 mm |
| Da max | 112 mm |
| ra max | 1.5 mm |