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Spherical roller bearings
238/670-B-K-MB Spherical Roller Bearings
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
670 mm
D
820 mm
B
112 mm
Cr
2380000 N
Cor
6900000 N
Cur
460000 N
Reference speed
380 rpm
Limiting speed
810 rpm
Mounting dimensions
da min
684.6 mm
Shaft shoulder minimum diameter ,
rmin
4 mm
Minimum chamfer size ,
Da max
805.4 mm
Maximum diameter of housing shoulder ,
ra max
3 mm
Maximum pocket radius ,
ds
8 mm
Lubrication hole diameter ,
ns
15 mm
Lubrication groove width
Temperature range
T min
-30 °C
Minimum operating temperature
T max
200 °C
Maximum operating temperature
Calculation coefficient
e
0.12
Fa/Fr corresponds to different X and Y coefficients
Y1
5.72
Axial dynamic load factor
Y2
8.51
Axial dynamic load factor
Y0
5.59
Axial static load factor