Spherical roller bearing, pressed steel cage, non ISO width, contact seals on both sides
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 | 50 mm |
| D - External diameter | 90 mm |
| B - Bearing/Inner ring width | 28 mm |
| d2 - External diameter inner ring | 57,1 mm |
| D1 - Inner diameter outer ring | 84,2 mm |
| rs - Min fillet radius | 1,1 mm |
| Number of lubrication holes | 0 |
| b - Groove width | 0 mm |
| k - Hole diameter | 0 mm |
| Radial clearance class | C0 |
| Mass | 0,71 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 130 kN |
| C0 - Static load | 124 kN |
| Cu - Fatigue limit load | 15,1 kN |
| e - Coefficient | 0.24 |
| Y0 - Static axial load coefficient | 2.78 |
| Y1 - Lower axial load coefficient | 2.84 |
| Y2 - Upper axial load coefficient | 4.23 |
| N lim - Mechanical Limit Speed | 1900 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Over rolling frequency on outer ring (60 rpm) | 7,631 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 10,369 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 6,342 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 3,171 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,424 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 58,5 mm |
| da min - Min shoulder diameter IR | 57 mm |
| db - Min diameter for Sleeve | 0 mm |
| Da max - Max shoulder diameter OR | 83 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
