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![4244903 | NA4903-XL [INA Schaeffler] Needle roller bearing](https://ebearing.com.ua/119926-large_default/4244903-na4903-xl-ina-needle-roller-bearing.jpg "4244903 | NA4903-XL [INA Schaeffler] Needle roller bearing")
![4244903 | NA4903-XL [INA Schaeffler] Needle roller bearing](https://ebearing.com.ua/119926-thickbox_default/4244903-na4903-xl-ina-needle-roller-bearing.jpg "4244903 | NA4903-XL [INA Schaeffler] Needle roller bearing")
![4244903 | NA4903-XL [INA Schaeffler] Needle roller bearing](https://ebearing.com.ua/119927-thickbox_default/4244903-na4903-xl-ina-needle-roller-bearing.jpg "4244903 | NA4903-XL [INA Schaeffler] Needle roller bearing")
Manufacturer
INA
INA
Country of origin
Germany
Germany
Parameters
Weight, W
0.038 kg
Inner diameter, d
17 mm
Outer diameter, D
30 mm
Total width, T
13 mm
Rotation speed (plastic lubricant), v
12000 RPM
Static load, C0
14.6 kN
Dynamic load, C
12.4 kN
Operating temperature max., Tmax
120 °C
Operating temperature min., Tmin
-30 °C
Fatigue limit load, Cu
2.65 kN
Limiting speed, Nlim
20000 RPM
Reference speed, Nref
10200 RPM
![4244903 | NA4903-XL [INA Schaeffler] Needle roller bearing](https://ebearing.com.ua/119926-home_default/4244903-na4903-xl-ina-needle-roller-bearing.jpg "4244903 | NA4903-XL [INA Schaeffler] Needle roller bearing")
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