Spherical roller bearing, one-piece machined 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.
Log in
To add this product to your basketDocumentation
Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 200 mm |
| D - External diameter | 310 mm |
| B - Bearing/Inner ring width | 109 mm |
| D1 - Inner diameter outer ring | 283,3 mm |
| rs - Min fillet radius | 2,1 mm |
| Number of lubrication holes | 3 ou 4 |
| b - Groove width | 12,67 mm |
| k - Hole diameter | 6 mm |
| Radial clearance class | C3 |
| Mass | 29,2 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 1520 kN |
| C0 - Static load | 2120 kN |
| Cu - Fatigue limit load | 195 kN |
| e - Coefficient | 0.33 |
| Y0 - Static axial load coefficient | 2.01 |
| Y1 - Lower axial load coefficient | 2.06 |
| Y2 - Upper axial load coefficient | 3.07 |
| N ref - Reference thermal speed | 1400 tr/min |
| N lim - Mechanical Limit Speed | 2000 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) | 10,136 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 12,864 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 8,121 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 4,061 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,441 Hz |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 210,2 mm |
| Da max - Max shoulder diameter OR | 299,8 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
Industry Calcul Factors
