High precision angular contact ball bearing, laminated resin cage centred on outer ring
In the ball bearing and high precision bearing ranges, the high precision angular contact ball bearing solves the maximum reliability constraints with increased performance in terms of rigidity, speed, capacity and precision. This bearing is recommended for demanding applications in terms of precision such as machine tool spindles. NTN-SNR is getting under ranges dedicated to requirements of speed, sealing, specific greasing, etc.
plik CAD
Dane techniczne
Specyfikacja
PRODUCT DIMENSIONS | |
|---|---|
| Internal diameter d | 120 mm |
| External diameter D | 215 mm |
| Bearing/Inner ring width(B) | 40 mm |
| External diameter inner ring d1 | 153,2 mm |
| Inner diameter outer ring D1 | 181,8 mm |
| Inner diameter outer ring D2 | 199,1 mm |
| Charge load application point a | 59 mm |
| Contact angle α | 25 ° |
| Min fillet radius rs | 2,1 mm |
| Min fillet radius r1s | 1,1 mm |
| Coefficient f0 | 15.057 |
| Precision class | P4 |
| Mass | 5,6 kg |
| Brand | SNR |
PRODUCT PERFORMANCE | |
|---|---|
| Dynamic load, C | 180 kN |
| Static load, C0 | 178 kN |
| Fatigue limit load, Cu | 7,7 kN |
| Axial displacement K Factor | 0.44 |
| Preload level | 7 |
| Preload value | 1,72 kN |
| Axial rigidity | 388 N/µm |
| Radial rigidity | 833 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Nlim (oil) | 8700 tr/min |
| Nlim (grease) | 5700 tr/min |
| Characteristic cage frequency, FTF | 0,423 Hz |
| Characteristic rolling element frequency, BSF | 5,722 Hz |
| Characteristic outer ring frequency, BPF0 | 6,763 Hz |
| Characteristic inner ring frequency, BPFI | 9,237 Hz |
ABUTMENT | |
|---|---|
| Min shoulder diameter IR da min | 132 mm |
| Min IR shoulder diameter (db min) | 132 mm |
| Max shoulder diameter OR Da max | 203 mm |
| Max OR shoulder diameter (Db max) | 203 mm |
| Maxi fillet radius r1a | 1 mm |
| Max shaft & housing fillet radius ra max | 2 mm |
