NSK NN3948 DOUBLE-ROW CYLINDRICAL ROLLER BEARINGS
| Brand Name |
NSK |
| Model Number |
NN3948 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NSK NN3948 bearing Size Chart (mm/inches) |
|---|
| d | 50 mm |
| D | 110 mm |
| B | 27 mm |
| d1 | 73.1 mm |
| d2 | 57 mm |
| D1 | 87.6 mm |
| D2 | 103.3 mm |
| a | 47 mm |
| Contact angle α | 40 ° |
| rs min | 2 mm |
| r1s min | 1 mm |
| Mass | 1.08 kg |
| Dynamic load, C | 67.5 kN |
| Static load, C0 | 47.1 kN |
| Fatigue limit load, Cu | 2.14 kN |
| Nref | 6,200 rpm |
| Nlim | 7,300 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.4 Hz |
| Characteristic rolling element frequency, BSF | 3.88 Hz |
| Characteristic outer ring frequency, BPF0 | 4.45 Hz |
| Characteristic inner ring frequency, BPFI | 6.54 Hz |
| da min | 60 mm |
| db min | 60 mm |
| Da max | 100 mm |
| Db max | 104.5 mm |
| r1a max | 1 mm |
| ra max | 2 mm |