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 information
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 85 mm |
| D - External diameter | 180 mm |
| B - Bearing/Inner ring width | 60 mm |
| d2 - External diameter inner ring | 107,9 mm |
| D1 - Inner diameter outer ring | 156,7 mm |
| rs - Min fillet radius | 3 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 10,98 mm |
| k - Hole diameter | 5 mm |
| Radial clearance class | C4 |
| Mass | 7,061 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 599 kN |
| C0 - Static load | 604 kN |
| Cu - Fatigue limit load | 67 kN |
| e - Coefficient | 0.32 |
| Y0 - Static axial load coefficient | 2.04 |
| Y1 - Lower axial load coefficient | 2.09 |
| Y2 - Upper axial load coefficient | 3.11 |
| N ref - Reference thermal speed | 3200 tr/min |
| N lim - Mechanical Limit Speed | 3600 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) | 6,111 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 8,889 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,096 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,548 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,407 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 99 mm |
| Da max - Max shoulder diameter OR | 166 mm |
| ra max - Max shaft & housing fillet radius | 2,5 mm |
