Spherical roller bearing, one-piece machined 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 information
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 65 mm |
| D - External diameter | 120 mm |
| B - Bearing/Inner ring width | 31 mm |
| D1 - Inner diameter outer ring | 107 mm |
| rs - Min fillet radius | 1,5 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 7,83 mm |
| k - Hole diameter | 3,5 mm |
| Radial clearance class | C4 |
| Mass | 1,589 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 217 kN |
| C0 - Static load | 212 kN |
| Cu - Fatigue limit load | 25,9 kN |
| e - Coefficient | 0.24 |
| Y0 - Static axial load coefficient | 2.73 |
| Y1 - Lower axial load coefficient | 2.79 |
| Y2 - Upper axial load coefficient | 4.15 |
| N ref - Reference thermal speed | 5300 tr/min |
| N lim - Mechanical Limit Speed | 6900 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) | 7,174 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 9,826 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 6,175 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 3,088 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,422 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 74 mm |
| Da max - Max shoulder diameter OR | 111 mm |
| ra max - Max shaft & housing fillet radius | 1,5 mm |
