Spherical roller bearing for vibratory applications, one-piece machined cage, groove and lubrication holes on outer ring, special C3 class clearance
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 information
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 90 mm |
| D - External diameter | 190 mm |
| B - Bearing/Inner ring width | 64 mm |
| d2 - External diameter inner ring | 0 mm |
| D1 - Inner diameter outer ring | 165,1 mm |
| rs - Min fillet radius | 3 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 12 mm |
| k - Hole diameter | 5 mm |
| Radial clearance class | C3 Special |
| Mass | 8,501 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 668 kN |
| C0 - Static load | 652 kN |
| Cu - Fatigue limit load | 71,4 kN |
| e - Coefficient | 0.33 |
| Y0 - Static axial load coefficient | 2.01 |
| Y1 - Lower axial load coefficient | 2.06 |
| Y2 - Upper axial load coefficient | 3.07 |
| 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 - Over rolling frequency on outer ring (60 rpm) | 5,599 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 8,401 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 4,685 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,343 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,4 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 104 mm |
| Da max - Max shoulder diameter OR | 176 mm |
| ra max - Max shaft & housing fillet radius | 2,5 mm |
