Spherical roller bearing, one-piece machined cage
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 | 41 mm |
| D1 - Inner diameter outer ring | 153,1 mm |
| rs - Min fillet radius | 3 mm |
| Number of lubrication holes | 0 |
| b - Groove width | 0 mm |
| k - Hole diameter | 0 mm |
| Radial clearance class | CN |
| Mass | 5,16 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 341 kN |
| C0 - Static load | 344 kN |
| Cu - Fatigue limit load | 38,4 kN |
| e - Coefficient | 0.23 |
| Y0 - Static axial load coefficient | 2.93 |
| Y1 - Lower axial load coefficient | 2.99 |
| Y2 - Upper axial load coefficient | 4.46 |
| N ref - Reference thermal speed | 3600 tr/min |
| N lim - Mechanical Limit Speed | 4600 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) | 6,705 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 9,295 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,949 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,975 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,419 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 |
