Spherical roller bearing, polyamide 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 | 100 mm |
| D - External diameter | 165 mm |
| B - Bearing/Inner ring width | 52 mm |
| d2 - External diameter inner ring | 114,6 mm |
| D1 - Inner diameter outer ring | 146,9 mm |
| rs - Min fillet radius | 2 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 8,39 mm |
| k - Hole diameter | 4 mm |
| Radial clearance class | CN |
| Mass | 4,4 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 471 kN |
| C0 - Static load | 575 kN |
| Cu - Fatigue limit load | 64,1 kN |
| e - Coefficient | 0.28 |
| Y0 - Static axial load coefficient | 2.34 |
| Y1 - Lower axial load coefficient | 2.39 |
| Y2 - Upper axial load coefficient | 3.56 |
| N ref - Reference thermal speed | 3200 tr/min |
| N lim - Mechanical Limit Speed | 3900 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) | 9,595 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 12,406 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 7,566 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 3,783 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,436 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 111 mm |
| Da max - Max shoulder diameter OR | 154 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
