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 | 60 mm |
| D - External diameter | 130 mm |
| B - Bearing/Inner ring width | 46 mm |
| d2 - External diameter inner ring | 75,3 mm |
| D1 - Inner diameter outer ring | 111,9 mm |
| rs - Min fillet radius | 2,1 mm |
| Number of lubrication holes | 3 |
| b - Groove width | 9 mm |
| k - Hole diameter | 4 mm |
| Associated sleeve reference | H2312 |
| Radial clearance class | C3 |
| Mass | 2,78 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 340 kN |
| C0 - Static load | 319 kN |
| Cu - Fatigue limit load | 38,9 kN |
| e - Coefficient | 0.35 |
| Y0 - Static axial load coefficient | 1.91 |
| Y1 - Lower axial load coefficient | 1.95 |
| Y2 - Upper axial load coefficient | 2.9 |
| N ref - Reference thermal speed | 4300 tr/min |
| N lim - Mechanical Limit Speed | 5100 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 200 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 72 mm |
| db - Min diameter for Sleeve | 66 mm |
| Ce - Min length fro Sleeve | 6 mm |
| Da max - Max shoulder diameter OR | 118 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
