Spherical roller bearing, one-piece machined cage, 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 DEFINITION | |
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Brand | NTN |
d - Internal diameter | 110 mm |
D - External diameter | 240 mm |
B - Bearing/Inner ring width | 50 mm |
d2 - External diameter inner ring | 150,2 mm |
D1 - Inner diameter outer ring | 202,7 mm |
rs - Min fillet radius | 3 mm |
Number of lubrication holes | 4 |
b - Groove width | 9 mm |
k - Hole diameter | 5 mm |
Radial clearance class | C3 |
Mass | 11,2 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 550 kN |
C0 - Static load | 615 kN |
Cu - Fatigue limit load | 61,5 kN |
e - Coefficient | 0.21 |
Y0 - Static axial load coefficient | 3.13 |
Y1 - Lower axial load coefficient | 3.2 |
Y2 - Upper axial load coefficient | 4.77 |
Nlim - Oil lubrication limit speed | 2300 tr/min |
Nlim - Grease lubrication limit speed | 1800 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 | 124 mm |
Da max - Max shoulder diameter OR | 226 mm |
ra max - Max shaft & housing fillet radius | 2,5 mm |