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Spherical roller bearings
231SM220-MA Spherical Roller Bearings
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
220 mm
D
400 mm
B
128 mm
Cr
1630000 N
Cor
2600000 N
Cur
194000 N
Reference speed
32000 rpm
Limiting speed
640 rpm
Mounting dimensions
rmin
4 mm
Minimum chamfer size
d1
220 mm
Inner diameterIR/WS
Mi
120 Nm
Clamping bolt tightening torque
Ma
69 Nm
Clamping bolt tightening torque
B
190 mm
Inner ring width
Temperature range
T min
-30 °C
Minimum operating temperature
T max
200 °C
Maximum operating temperature
Calculation coefficient
e
0.3
Fa/Fr corresponds to different X and Y coefficients
Y1
2.25
Axial dynamic load factor
Y2
3.34
Axial dynamic load factor
Y0
2.2
Axial static load factor