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![4244909 | NA 4909 [CX] Needle roller bearing](https://ebearing.com.ua/122019-large_default/4244909-na-4909-cx-needle-roller-bearing.jpg "4244909 | NA 4909 [CX] Needle roller bearing")
![4244909 | NA 4909 [CX] Needle roller bearing](https://ebearing.com.ua/122019-thickbox_default/4244909-na-4909-cx-needle-roller-bearing.jpg "4244909 | NA 4909 [CX] Needle roller bearing")
![4244909 | NA 4909 [CX] Needle roller bearing](https://ebearing.com.ua/122020-thickbox_default/4244909-na-4909-cx-needle-roller-bearing.jpg "4244909 | NA 4909 [CX] Needle roller bearing")
Manufacturer
CX
CX
Country of origin
Poland
Poland
Designation:
NA 4909 (DIN617, ISO1206, ISO492);
4244909 (GOST 520)
Design:
The bearing consists of two rings (internal and massive external) and rolling elements (needle cylindrical rollers), connected with a cage.
The name of bearing NA 4909 w/o inner ring is RNA4909
Features:
the outer ring with the rollers and cage assembly can be separated from the inner ring
Parameters
Weight, W
0.27 kg
Inner diameter, d
45 mm
Outer diameter, D
68 mm
Total width, T
22 mm
Rotation speed (plastic lubricant), v
5300 RPM
Rotation speed (liquid lubrication), v
7500 RPM
Static load, C0
78 kN
Dynamic load, C
45.7 kN
![NA 4909 2RS [JNS] Needle roller bearing](https://ebearing.com.ua/78127-home_default/4244909-na-4909-jns-needle-roller-bearing.jpg "NA 4909 2RS [JNS] Needle roller bearing")
![RNA4909 [JNS] Needle roller bearing](https://ebearing.com.ua/68303-home_default/rna-4909-xl-jns-needle-roller-bearing.jpg "RNA4909 [JNS] Needle roller bearing")
![RNA4909 [INA] Needle roller bearing](https://ebearing.com.ua/95999-home_default/rna-4909-xl-ina-schaeffler-needle-roller-bearing.jpg "RNA4909 [INA] Needle roller bearing")
![NA4909 [NTN] Needle roller bearing](https://ebearing.com.ua/55471-home_default/na-4909-r-na4909-ntn-needle-roller-bearing.jpg "NA4909 [NTN] Needle roller bearing")
![4244909 | NA 4909 [CX] Needle roller bearing](https://ebearing.com.ua/122019-home_default/4244909-na-4909-cx-needle-roller-bearing.jpg "4244909 | NA 4909 [CX] Needle roller bearing")
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