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![4245903 | NA5903 [NTN] Needle roller bearing](https://ebearing.com.ua/122467-large_default/4245903-na5903-ntn-needle-roller-bearing.jpg "4245903 | NA5903 [NTN] Needle roller bearing")
![4245903 | NA5903 [NTN] Needle roller bearing](https://ebearing.com.ua/122467-thickbox_default/4245903-na5903-ntn-needle-roller-bearing.jpg "4245903 | NA5903 [NTN] Needle roller bearing")
![4245903 | NA5903 [NTN] Needle roller bearing](https://ebearing.com.ua/122468-thickbox_default/4245903-na5903-ntn-needle-roller-bearing.jpg "4245903 | NA5903 [NTN] Needle roller bearing")
![4245903 | NA5903 [NTN] Needle roller bearing](https://ebearing.com.ua/122469-thickbox_default/4245903-na5903-ntn-needle-roller-bearing.jpg "4245903 | NA5903 [NTN] Needle roller bearing")
Manufacturer
NTN
NTN
Country of origin
Japan
Japan
Parameters
Weight, W
0.056 kg
Bore diameter, d
17 mm
Outside diameter, D
30 mm
Total width, T
18 mm
Rotation speed (plastic lubricant), v
12000 RPM
Rotation speed (liquid lubrication), v
18000 RPM
Basic static load rating, Co
21.7 kN
Basic dynamic load rating, C
15.2 kN
![4245903 | NA5903 [NTN] Needle roller bearing](https://ebearing.com.ua/122467-home_default/4245903-na5903-ntn-needle-roller-bearing.jpg "4245903 | NA5903 [NTN] Needle roller bearing")
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