Spherical roller bearing, with central rib on inner ring, 2-part machined cage centred on inner ring, 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 | NTN |
| d - Internal diameter | 400 mm |
| D - External diameter | 600 mm |
| B - Bearing/Inner ring width | 148 mm |
| rs - Min fillet radius | 5 mm |
| Number of lubrication holes | 8 |
| b - Groove width | 20 mm |
| k - Hole diameter | 12 mm |
| Radial clearance class | C3 |
| Mass | 149 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 2980 kN |
| C0 - Static load | 6050 kN |
| e - Coefficient | 0.24 |
| Y0 - Static axial load coefficient | 2.73 |
| Y1 - Lower axial load coefficient | 2.8 |
| Y2 - Upper axial load coefficient | 4.16 |
| N lim - Oil lubrication limit speed | 680 tr/min |
| N lim - Grease lubrication limit speed | 520 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 422 mm |
| Da max - Max shoulder diameter OR | 578 mm |
| ra max - Max shaft & housing fillet radius | 4 mm |
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