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 | |
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Brand | NTN |
d - Internal diameter | 440 mm |
D - External diameter | 720 mm |
B - Bearing/Inner ring width | 280 mm |
d2 - External diameter inner ring | 0 mm |
D1 - Inner diameter outer ring | 614 mm |
rs - Min fillet radius | 6 mm |
Number of lubrication holes | 8 |
b - Groove width | 33 mm |
k - Hole diameter | 20 mm |
Associated sleeve reference | AH24188H |
Radial clearance class | C3 |
Mass | 449 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 7200 kN |
C0 - Static load | 13100 kN |
Cu - Fatigue limit load | 715 kN |
e - Coefficient | 0.39 |
Y0 - Static axial load coefficient | 1.71 |
Y1 - Lower axial load coefficient | 1.75 |
Y2 - Upper axial load coefficient | 2.61 |
N lim - Oil lubrication limit speed | 500 tr/min |
N lim - Grease lubrication limit speed | 390 tr/min |
Tmin - Min operating temperature | -40 °C |
Tmax - Max operating temperature | 120 °C |
ABUTMENT | |
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da min - Min shoulder diameter IR | 468 mm |
Da max - Max shoulder diameter OR | 692 mm |
ra max - Max shaft & housing fillet radius | 5 mm |
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