NTN NNU4948K Multi-Row Roller Bearings
| Brand Name |
NTN |
| Model Number |
NNU4948K |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NTN NNU4948K bearing Size Chart (mm/inches) |
|---|
| d | 40 mm |
| D | 80 mm |
| B | 23 mm |
| d2 | 50.2 mm |
| D1 | 70.8 mm |
| rs min | 1.1 mm |
| Number of lubrication holes | 3 |
| b | 5.4 mm |
| k | 2.5 mm |
| e | 0.27 |
| Y1 | 2.47 |
| Y2 | 3.68 |
| Y0 | 2.41 |
| Radial clearance class | CN |
| Mass | 0.52 kg |
| Dynamic load, C | 116 kN |
| Static load, C0 | 105 kN |
| Fatigue limit load, Cu | 11 kN |
| Nref | 8,200 rpm |
| Nlim | 11,000 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 200 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 5.62 Hz |
| Characteristic outer ring frequency, BPF0 | 6.64 Hz |
| Characteristic inner ring frequency, BPFI | 9.36 Hz |
| da min | 47 mm |
| Da max | 73 mm |
| ra max | 1 mm |