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 | 460 mm |
| D - External diameter | 680 mm |
| B - Bearing/Inner ring width | 163 mm |
| d2 - External diameter inner ring | 0 mm |
| D1 - Inner diameter outer ring | 612 mm |
| rs - Min fillet radius | 6 mm |
| Number of lubrication holes | 8 |
| b - Groove width | 27 mm |
| k - Hole diameter | 16 mm |
| Radial clearance class | CN |
| Mass | 200 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 4000 kN |
| C0 - Static load | 7450 kN |
| Cu - Fatigue limit load | 560 kN |
| e - Coefficient | 0.23 |
| Y0 - Static axial load coefficient | 2.82 |
| Y1 - Lower axial load coefficient | 2.88 |
| Y2 - Upper axial load coefficient | 4.29 |
| N lim - Oil lubrication limit speed | 580 tr/min |
| N lim - Grease lubrication limit speed | 450 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 483 mm |
| Da max - Max shoulder diameter OR | 657 mm |
| ra max - Max shaft & housing fillet radius | 5 mm |
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