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Spherical roller bearings
248/1120-B-MB Spherical Roller Bearings
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
1120 mm
D
1360 mm
B
243 mm
Cr
8000000 N
Cor
26000000 N
Cur
1490000 N
Reference speed
90 rpm
Limiting speed
365 rpm
Mounting dimensions
da min
1,143 mm
Shaft shoulder minimum diameter ,
rmin
6 mm
Minimum chamfer size ,
Da max
1,337 mm
Maximum diameter of housing shoulder ,
ra max
5 mm
Maximum pocket radius ,
ds
9.5 mm
Lubrication hole diameter ,
ns
17.7 mm
Lubrication groove width
Temperature range
T min
-30 °C
Minimum operating temperature
T max
200 °C
Maximum operating temperature
Calculation coefficient
e
0.15
Fa/Fr corresponds to different X and Y coefficients
Y1
4.47
Axial dynamic load factor
Y2
6.65
Axial dynamic load factor
Y0
4.37
Axial static load factor