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Spherical roller bearings
231SM380-MA Spherical Roller Bearings
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
380 mm
D
650 mm
B
200 mm
Cr
4100000 N
Cor
7200000 N
Cur
450000 N
Reference speed
60500 rpm
Limiting speed
340 rpm
Mounting dimensions
rmin
6 mm
Minimum chamfer size
d1
380 mm
Inner diameterIR/WS
Mi
295 Nm
Clamping bolt tightening torque
Ma
120 Nm
Clamping bolt tightening torque
B
270 mm
Inner ring width
Temperature range
T min
-30 °C
Minimum operating temperature
T max
200 °C
Maximum operating temperature
Calculation coefficient
e
0.28
Fa/Fr corresponds to different X and Y coefficients
Y1
2.39
Axial dynamic load factor
Y2
3.56
Axial dynamic load factor
Y0
2.34
Axial static load factor