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 | 55 mm |
| D - External diameter | 100 mm |
| B - Bearing/Inner ring width | 25 mm |
| D1 - Inner diameter outer ring | 89,7 mm |
| rs - Min fillet radius | 1,5 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 6,35 mm |
| k - Hole diameter | 3 mm |
| Radial clearance class | C4 |
| Mass | 0,84 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 148 kN |
| C0 - Static load | 140 kN |
| Cu - Fatigue limit load | 17,1 kN |
| e - Coefficient | 0.23 |
| Y0 - Static axial load coefficient | 2.89 |
| Y1 - Lower axial load coefficient | 2.95 |
| Y2 - Upper axial load coefficient | 4.39 |
| N ref - Reference thermal speed | 6100 tr/min |
| N lim - Mechanical Limit Speed | 8200 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) | 7,195 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 9,805 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 6,287 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 3,144 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,423 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 64 mm |
| Da max - Max shoulder diameter OR | 91 mm |
| ra max - Max shaft & housing fillet radius | 1,5 mm |
