Spherical roller bearing for vibratory applications, one-piece machined cage, groove and lubrication holes on outer ring, special C4 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 | 100 mm |
| D - External diameter | 215 mm |
| B - Bearing/Inner ring width | 73 mm |
| d2 - External diameter inner ring | 0 mm |
| D1 - Inner diameter outer ring | 186,7 mm |
| rs - Min fillet radius | 3 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 13,26 mm |
| k - Hole diameter | 6 mm |
| Radial clearance class | C4 Special |
| Mass | 12,776 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 827 kN |
| C0 - Static load | 844 kN |
| Cu - Fatigue limit load | 88,9 kN |
| e - Coefficient | 0.34 |
| Y0 - Static axial load coefficient | 1.93 |
| Y1 - Lower axial load coefficient | 1.98 |
| Y2 - Upper axial load coefficient | 2.94 |
| N ref - Reference thermal speed | 2600 tr/min |
| N lim - Mechanical Limit Speed | 3100 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) | 6,08 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 8,92 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 4,964 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,482 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,405 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 114 mm |
| Da max - Max shoulder diameter OR | 201 mm |
| ra max - Max shaft & housing fillet radius | 2,5 mm |
