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Needle roller bearing
HK4512-B Drawn cup needle roller bearing open end
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Main Dimensions & Performance Data
Fw
45 mm
D
52 mm
C
12 mm
Cr
14900 N
Cor
27500 N
Cur
3650 N
Reference speed
4650 rpm
Grease lubrication speed
3550 rpm
Mounting dimensions
r min
0.8 mm
Minimum chamfer size
Temperature range
T min
-30 °C
Minimum operating temperature
T max
140 °C
Maximum operating temperature