
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 EUROPE offers as standard, unsurpassed endurance and longevity.
3D file
Technical datasheet
PRODUCT DEFINITION | |
---|---|
Brand | SNR |
d - Internal diameter | 30 mm |
D - External diameter | 62 mm |
B - Bearing/Inner ring width | 25 mm |
d2 - External diameter inner ring | 35,2 mm |
D1 - Inner diameter outer ring | 56,4 mm |
rs - Min fillet radius | 1 mm |
Number of lubrication holes | 3 |
b - Groove width | 4,39 mm |
k - Hole diameter | 2 mm |
Radial clearance class | CN |
Mass | 0,33 kg |
PRODUCT PERFORMANCE | |
---|---|
C - Dynamic load | 75,7 kN |
C0 - Static load | 64,5 kN |
Cu - Fatigue limit load | 7,9 kN |
e - Coefficient | 0.31 |
Y0 - Static axial load coefficient | 2.1 |
Y1 - Lower axial load coefficient | 2.15 |
Y2 - Upper axial load coefficient | 3.2 |
Nlim - Mechanical Limit Speed | 3100 tr/min |
Tmin - Min operating temperature | -20 °C |
Tmax - Max operating temperature | 120 °C |
BEARING FREQUENCIES | |
---|---|
BPFO - Characteristic outer ring frequency (60 rpm) | 6,149 Hz |
BPFI - Characteristic inner ring frequency (60 rpm) | 8,851 Hz |
FTF - Characteristic cage frequency (60 rpm) | 0,41 Hz |
BSF - Characteristic rolling element frequency (60 rpm) | 5,257 Hz |
ABUTMENT | |
---|---|
da max - Max shoulder diameter IR | 35,2 mm |
da min - Min shoulder diameter IR | 35,2 mm |
db - Min diameter for Sleeve | 0 mm |
Da max - Max shoulder diameter OR | 56,4 mm |
ra max - Max shaft & housing fillet radius | 1 mm |
