Spherical roller bearing for vibratory applications, one-piece machined cage, groove and lubrication holes on outer ring, special C4 class clearance
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 | 95 mm |
| D - External diameter | 200 mm |
| B - Bearing/Inner ring width | 67 mm |
| d2 - External diameter inner ring | 0 mm |
| D1 - Inner diameter outer ring | 174 mm |
| rs - Min fillet radius | 3 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 12,15 mm |
| k - Hole diameter | 6 mm |
| Radial clearance class | C4 Special |
| Mass | 10 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 732 kN |
| C0 - Static load | 750 kN |
| Cu - Fatigue limit load | 80,6 kN |
| e - Coefficient | 0.32 |
| Y0 - Static axial load coefficient | 2.04 |
| Y1 - Lower axial load coefficient | 2.09 |
| Y2 - Upper axial load coefficient | 3.11 |
| N ref - Reference thermal speed | 2800 tr/min |
| N lim - Mechanical Limit Speed | 3300 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) | 6,111 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 8,889 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,096 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,548 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,407 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 109 mm |
| Da max - Max shoulder diameter OR | 186 mm |
| ra max - Max shaft & housing fillet radius | 2,5 mm |
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