![](https://eshop-api.ntn-snr.com/medias/logo-200x80-ultage.png?context=bWFzdGVyfGltYWdlc3w5MTAyfGltYWdlL3BuZ3xoNDAvaGEwLzg4OTcxODI4NTkyOTQvbG9nby0yMDB4ODAtdWx0YWdlLnBuZ3wzZWYyZDZiMWNkNzk0OWI5NTQ2ZGZhODBkMDM2N2FiNzdiN2RjYzBlYzc4NGFmNmFmNTdjMTYwNjJhNjljNjI4)
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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- Detailed technical sheet
PRODUCT DEFINITION | |
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Brand | NTN |
d - Internal diameter | 45 mm |
D - External diameter | 85 mm |
B - Bearing/Inner ring width | 23 mm |
d2 - External diameter inner ring | 54,9 mm |
D1 - Inner diameter outer ring | 75,6 mm |
rs - Min fillet radius | 1,1 mm |
Number of lubrication holes | 3 |
b - Groove width | 5,83 mm |
k - Hole diameter | 2,5 mm |
Radial clearance class | C4 |
Mass | 0,565 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 121 kN |
C0 - Static load | 113 kN |
Cu - Fatigue limit load | 13,8 kN |
e - Coefficient | 0.26 |
Y0 - Static axial load coefficient | 2.58 |
Y1 - Lower axial load coefficient | 2.64 |
Y2 - Upper axial load coefficient | 3.94 |
Nref - Reference thermal speed | 7400 tr/min |
Nlim - Mechanical Limit Speed | 9800 tr/min |
Tmin - Min operating temperature | -40 °C |
Tmax - Max operating temperature | 200 °C |
ABUTMENT | |
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da min - Min shoulder diameter IR | 52 mm |
Da max - Max shoulder diameter OR | 78 mm |
ra max - Max shaft & housing fillet radius | 1 mm |
![Calcul factors image](https://eshop-api.ntn-snr.com/medias/SRB-EN.jpg?context=bWFzdGVyfHJvb3R8MjMzMzd8aW1hZ2UvanBlZ3xoZjYvaDJiLzg5Mzc2OTEzMTYyNTQvU1JCX0VOLmpwZ3xmNzg4MzBlYWViZWRlNjA1YjJjM2VhZWNhNmExMWMxZjE3YmI1OTk4YzA1Y2RhNjM3ODVmZmFlNDhkZTllMGJi)