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Cylindrical roller bearing
N238-E-M1 Cylindrical Roller Bearings
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Main Dimensions & Performance Data
d
190 mm
D
340 mm
B
55 mm
Cr
680000 N
Cor
930000 N
Cur
112000 N
Grease lubrication speed
2600 rpm
Oil lubrication speed
3050 rpm
Mounting dimensions
da
207
Minimum diameter of shaft shoulder
r1min
4
Minimum chamfer dimension
s1
4.7
Axial displacement
Da
323
Maximum diameter of bearing block shoulder
E
306
Outer race diameter
ra1max
3
Maximum cavity radius
Temperature range
Tmin
-30 °C
Minimum operating temperature
Tmax
150 °C
Maximum operating temperature