Spherical roller bearing, pressed steel cage, groove and lubrication holes on outer ring
The spherical roller bearing withstands significant loads and misalignments. This type of roller bearing is well adapted to harsh operating conditions: impacts or vibrations (crushers, vibrating screens, heavy handling, etc.). With the ULTAGE design, NTN offers as standard, unsurpassed endurance and longevity.
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| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 110 mm |
| D - External diameter | 180 mm |
| B - Bearing/Inner ring width | 56 mm |
| d2 - External diameter inner ring | 125,3 mm |
| D1 - Inner diameter outer ring | 160,9 mm |
| rs - Min fillet radius | 2 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 8,86 mm |
| k - Hole diameter | 4 mm |
| Radial clearance class | C3 |
| Mass | 5,48 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 547 kN |
| C0 - Static load | 669 kN |
| Cu - Fatigue limit load | 72,7 kN |
| e - Coefficient | 0.28 |
| Y0 - Static axial load coefficient | 2.37 |
| Y1 - Lower axial load coefficient | 2.43 |
| Y2 - Upper axial load coefficient | 3.61 |
| N ref - Reference thermal speed | 3000 tr/min |
| N lim - Mechanical Limit Speed | 3500 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 200 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Characteristic outer ring frequency (60 rpm) | 9,146 Hz |
| BPFI - Characteristic inner ring frequency (60 rpm) | 11,854 Hz |
| FTF - Characteristic cage frequency (60 rpm) | 0,436 Hz |
| BSF - Characteristic rolling element frequency (60 rpm) | 7,5 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 121 mm |
| Da max - Max shoulder diameter OR | 169 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
