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 | 110 mm |
| D - External diameter | 170 mm |
| B - Bearing/Inner ring width | 60 mm |
| d2 - External diameter inner ring | 120,5 mm |
| D1 - Inner diameter outer ring | 151,6 mm |
| rs - Min fillet radius | 2 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 7,21 mm |
| k - Hole diameter | 3 mm |
| Radial clearance class | C3 |
| Mass | 4,8 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 518 kN |
| C0 - Static load | 663 kN |
| Cu - Fatigue limit load | 72,9 kN |
| e - Coefficient | 0.31 |
| Y0 - Static axial load coefficient | 2.1 |
| Y1 - Lower axial load coefficient | 2.15 |
| Y2 - Upper axial load coefficient | 3.2 |
| N ref - Reference thermal speed | 2800 tr/min |
| N lim - Mechanical Limit Speed | 3700 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) | 9,679 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 12,321 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 8,035 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 4,018 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,44 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 118,8 mm |
| Da max - Max shoulder diameter OR | 161,2 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
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