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 | 65 mm |
| D - External diameter | 120 mm |
| B - Bearing/Inner ring width | 38 mm |
| d2 - External diameter inner ring | 75,3 mm |
| D1 - Inner diameter outer ring | 116,4 mm |
| rs - Min fillet radius | 1,5 mm |
| Number of lubrication holes | 0 |
| b - Groove width | 0 mm |
| k - Hole diameter | 0 mm |
| Radial clearance class | C0 |
| Mass | 1,93 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 226 kN |
| C0 - Static load | 224 kN |
| Cu - Fatigue limit load | 27,3 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 lim - Mechanical Limit Speed | 1500 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) | 7,597 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 10,403 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 6,18 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 3,09 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,422 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 75,3 mm |
| da min - Min shoulder diameter IR | 74 mm |
| db - Min diameter for Sleeve | 0 mm |
| Da max - Max shoulder diameter OR | 111 mm |
| ra max - Max shaft & housing fillet radius | 1,5 mm |
