
Spherical roller bearing, pressed steel cage, groove and lubrication holes on outer ring, tapered bore 1:30, non ISO width, contact seals on both sides
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 | SNR |
d - Internal diameter | 160 mm |
D - External diameter | 240 mm |
B - Bearing/Inner ring width | 80 mm |
d2 - External diameter inner ring | 173,8 mm |
D1 - Inner diameter outer ring | 216,2 mm |
rs - Min fillet radius | 2,1 mm |
Number of lubrication holes | 3 ou 4 |
b - Groove width | 9,48 mm |
k - Hole diameter | 4,5 mm |
Associated sleeve reference | H24032 |
Radial clearance class | C3 |
Mass | 11,48 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 953 kN |
C0 - Static load | 1320 kN |
Cu - Fatigue limit load | 130 kN |
e - Coefficient | 0.29 |
Y0 - Static axial load coefficient | 2.26 |
Y1 - Lower axial load coefficient | 2.32 |
Y2 - Upper axial load coefficient | 3.45 |
N ref - Reference thermal speed | 1800 tr/min |
N lim - Mechanical Limit Speed | 2600 tr/min |
Tmin - Min operating temperature | -40 °C |
Tmax - Max operating temperature | 200 °C |
BEARING FREQUENCIES | |
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BPFO - Characteristic outer ring frequency (60 rpm) | 10,625 Hz |
BPFI - Characteristic inner ring frequency (60 rpm) | 13,375 Hz |
FTF - Characteristic cage frequency (60 rpm) | 0,443 Hz |
BSF - Characteristic rolling element frequency (60 rpm) | 8,455 Hz |
ABUTMENT | |
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da max - Max shoulder diameter IR | 0 mm |
da min - Min shoulder diameter IR | 170,2 mm |
Da max - Max shoulder diameter OR | 229,8 mm |
ra max - Max shaft & housing fillet radius | 2 mm |
