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.
Log in
To add this product to your basketDocumentation
Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 480 mm |
| D - External diameter | 790 mm |
| B - Bearing/Inner ring width | 308 mm |
| d2 - External diameter inner ring | 0 mm |
| D1 - Inner diameter outer ring | 670,7 mm |
| rs - Min fillet radius | 7,5 mm |
| Number of lubrication holes | 8 |
| b - Groove width | 33 mm |
| k - Hole diameter | 20 mm |
| Radial clearance class | CN |
| Mass | 600 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 8250 kN |
| C0 - Static load | 15300 kN |
| Cu - Fatigue limit load | 860 kN |
| e - Coefficient | 0.39 |
| Y0 - Static axial load coefficient | 1.7 |
| Y1 - Lower axial load coefficient | 1.74 |
| Y2 - Upper axial load coefficient | 2.59 |
| N lim - Oil lubrication limit speed | 450 tr/min |
| N lim - Grease lubrication limit speed | 350 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 512 mm |
| Da max - Max shoulder diameter OR | 758 mm |
| ra max - Max shaft & housing fillet radius | 6 mm |
