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 | 75 mm |
D - External diameter | 160 mm |
B - Bearing/Inner ring width | 55 mm |
d2 - External diameter inner ring | 91,9 mm |
D1 - Inner diameter outer ring | 138,3 mm |
rs - Min fillet radius | 2,1 mm |
Number of lubrication holes | 3 |
b - Groove width | 10,49 mm |
k - Hole diameter | 5 mm |
Radial clearance class | C4 |
Mass | 5,083 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 491 kN |
C0 - Static load | 467 kN |
Cu - Fatigue limit load | 53,9 kN |
e - Coefficient | 0.34 |
Y0 - Static axial load coefficient | 1.96 |
Y1 - Lower axial load coefficient | 2 |
Y2 - Upper axial load coefficient | 2.98 |
Nref - Reference thermal speed | 3600 tr/min |
Nlim - Mechanical Limit Speed | 4200 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 | 87 mm |
Da max - Max shoulder diameter OR | 148 mm |
ra max - Max shaft & housing fillet radius | 2 mm |