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 | 276 mm |
| rs - Min fillet radius | 2,1 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 12,67 mm |
| k - Hole diameter | 6 mm |
| Radial clearance class | C3 |
| Mass | 29,65 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 1570 kN |
| C0 - Static load | 2280 kN |
| Cu - Fatigue limit load | 210 kN |
| e - Coefficient | 0.31 |
| Y0 - Static axial load coefficient | 2.13 |
| Y1 - Lower axial load coefficient | 2.18 |
| Y2 - Upper axial load coefficient | 3.24 |
| N ref - Reference thermal speed | 1300 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) | 10,629 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 13,371 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 8,457 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 4,229 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,443 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 212 mm |
| Da max - Max shoulder diameter OR | 298 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
