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Spherical roller bearings
249/670-B-MB Spherical Roller Bearings
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
670 mm
D
900 mm
B
230 mm
Cr
5900000 N
Cor
14900000 N
Cur
970000 N
Reference speed
174 rpm
Limiting speed
580 rpm
Mounting dimensions
da min
693 mm
Shaft shoulder minimum diameter ,
rmin
6 mm
Minimum chamfer size ,
Da max
877 mm
Maximum diameter of housing shoulder ,
ra max
5 mm
Maximum pocket radius ,
ds
12.5 mm
Lubrication hole diameter ,
ns
23.5 mm
Lubrication groove width
Temperature range
T min
-30 °C
Minimum operating temperature
T max
200 °C
Maximum operating temperature
Calculation coefficient
e
0.24
Fa/Fr corresponds to different X and Y coefficients
Y1
2.81
Axial dynamic load factor
Y2
4.19
Axial dynamic load factor
Y0
2.75
Axial static load factor