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Needle roller bearing
NA4902-XL Needle Roller Bearings
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Main Dimensions & Performance Data
d
15 mm
D
28 mm
B
13 mm
Cr
12000 N
Cor
13600 N
Cur
2470 N
Reference speed
11200 rpm
Limiting speed
21100 rpm
Mounting dimensions
F
20 mm
Inner ring raceway diameter
r min
0.3 mm
Minimum chamfer size
s
0.5 mm
Axial displacement
Temperature range
T min
-30 °C
Minimum operating temperature
T max
120 °C
Maximum operating temperature