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Spherical roller bearings
240/670-B-K30-MB Spherical Roller Bearings
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
670 mm
D
980 mm
B
308 mm
Cr
9000000 N
Cor
21500000 N
Cur
1510000 N
Reference speed
239 rpm
Limiting speed
510 rpm
Mounting dimensions
da min
698 mm
Shaft shoulder minimum diameter ,
rmin
7.5 mm
Minimum chamfer size ,
Da max
952 mm
Maximum diameter of housing shoulder ,
ra max
6 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
0.31
Fa/Fr corresponds to different X and Y coefficients
Y1
2.2
Axial dynamic load factor
Y2
3.27
Axial dynamic load factor
Y0
2.15
Axial static load factor