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 | 500 mm |
| D - External diameter | 670 mm |
| B - Bearing/Inner ring width | 128 mm |
| d2 - External diameter inner ring | 561 mm |
| D1 - Inner diameter outer ring | 620,5 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 | 127 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 2640 kN |
| C0 - Static load | 5600 kN |
| Cu - Fatigue limit load | 460 kN |
| e - Coefficient | 0.17 |
| Y0 - Static axial load coefficient | 3.93 |
| Y1 - Lower axial load coefficient | 4.02 |
| Y2 - Upper axial load coefficient | 5.98 |
| N lim - Oil lubrication limit speed | 560 tr/min |
| N lim - Grease lubrication limit speed | 430 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 518 mm |
| Da max - Max shoulder diameter OR | 652 mm |
| ra max - Max shaft & housing fillet radius | 4 mm |
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