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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Documentation
Product information
PRODUCT DEFINITION
Brand
SNR
d - Internal diameter
200 mm
D - External diameter
310 mm
B - Bearing/Inner ring width
109 mm
D1 - Inner diameter outer ring
276 mm
rs - Min fillet radius
2,1 mm
Number of lubrication holes
3
b - Groove width
12,67 mm
k - Hole diameter
6 mm
Radial clearance class
C3
Mass
29,65 kg
PRODUCT PERFORMANCE
C - Dynamic load
1570 kN
C0 - Static load
2280 kN
Cu - Fatigue limit load
210 kN
e - Coefficient
0.31
Y0 - Static axial load coefficient
2.13
Y1 - Lower axial load coefficient
2.18
Y2 - Upper axial load coefficient
3.24
N ref - Reference thermal speed
1300 tr/min
N lim - Mechanical Limit Speed
2000 tr/min
Tmin - Min operating temperature
-40 °C
Tmax - Max operating temperature
200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)
10,629 Hz
BPFI - Over rolling frequency on inner (60 rpm)
13,371 Hz
BSF - Over rolling frequency on rolling element (60 rpm)
8,457 Hz
BRF - Rotational frequency – rolling element (60 rpm)
