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 | NTN |
| d - Internal diameter | 150 mm |
| D - External diameter | 320 mm |
| B - Bearing/Inner ring width | 108 mm |
| D1 - Inner diameter outer ring | 278,3 mm |
| rs - Min fillet radius | 4 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 19,94 mm |
| k - Hole diameter | 9 mm |
| Radial clearance class | C4 |
| Mass | 41,96 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 1740 kN |
| C0 - Static load | 1890 kN |
| Cu - Fatigue limit load | 177 kN |
| e - Coefficient | 0.34 |
| Y0 - Static axial load coefficient | 1.96 |
| Y1 - Lower axial load coefficient | 2 |
| Y2 - Upper axial load coefficient | 2.98 |
| N ref - Reference thermal speed | 1500 tr/min |
| N lim - Mechanical Limit Speed | 2100 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 200 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 167 mm |
| Da max - Max shoulder diameter OR | 303 mm |
| ra max - Max shaft & housing fillet radius | 3 mm |
