WD Bearing Group
WD Bearings America LLC
5845 W 82nd Street, Suite 102,
Indianapolis, IN 46278.
Tel: +1 317 661 3293
Email: Contact@wd-bearing.com
WD Waelzlager GmBH
Ost Strasse 74A 40724,
Hilden, Germany
Tel: +49 2103 968 6352
Email: Contact@wd-bearing.com
WD Bearing Group
No. 100, Zhenyang Road,
Jiangyin, Wuxi, P.R China, 214401
Tel: 0510-8655 7067
Fax: 0510-8655 7065
Email: Contact@wd-bearing.com
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Sealed-Heavy-Duty-Needle-Roller-Bearing-With-or-Without-Inner-Ring---NA-2RS-Series---3D
Unit of Measure
1 2 

Item #

Bore Diameter

Outside Diameter

Overall Bearing Width

Dynamic (Cr) Basic Load Rating

CAD

NA4900 RS N/A 10 mm N/A 22 mm N/A 14 mm N/A 4560 N N/A
NA4901 RS N/A 12 mm N/A 24 mm N/A 14 mm N/A 4950 N N/A
NA4902 RS N/A 15 mm N/A 28 mm N/A 14 mm N/A 5980 N N/A
NA4903 RS N/A 17 mm N/A 30 mm N/A 14 mm N/A 6050 N N/A
NA4904 RS N/A 20 mm N/A 37 mm N/A 18 mm N/A 14900 N N/A
NA4905 RS N/A 25 mm N/A 42 mm N/A 18 mm N/A 16300 N N/A
NA4906 RS N/A 30 mm N/A 47 mm N/A 18 mm N/A 20050 N N/A
NA4907 RS N/A 35 mm N/A 55 mm N/A 21 mm N/A 22500 N N/A
NA4908 RS N/A 40 mm N/A 62 mm N/A 23 mm N/A 33050 N N/A
NA4909 RS N/A 45 mm N/A 68 mm N/A 23 mm N/A 34800 N N/A
NA4910 RS N/A 50 mm N/A 72 mm N/A 23 mm N/A 37800 N N/A
RNA4900 RS N/A N/A 22 mm N/A N/A 4560 N N/A
RNA4901 RS N/A N/A 24 mm N/A N/A 4950 N N/A
RNA4902 RS N/A N/A 28 mm N/A N/A 5980 N N/A
RNA4903 RS N/A N/A 30 mm N/A N/A 6050 N N/A
RNA4904 RS N/A N/A 37 mm N/A N/A 14900 N N/A
RNA4905 RS N/A N/A 42 mm N/A N/A 16300 N N/A
RNA4906 RS N/A N/A 47 mm N/A N/A 20050 N N/A
RNA4907 RS N/A N/A 55 mm N/A N/A 22500 N N/A
RNA4908 RS N/A N/A 62 mm N/A N/A 33050 N N/A
RNA4909 RS N/A N/A 68 mm N/A N/A 34800 N N/A
RNA4910 RS N/A N/A 72 mm N/A N/A 37800 N N/A
NA4900.2 RS N/A 10 mm N/A 22 mm N/A 14 mm N/A 4560 N N/A
NA4901.2 RS N/A 12 mm N/A 24 mm N/A 14 mm N/A 4950 N N/A
NA4902.2 RS N/A 15 mm N/A 28 mm N/A 14 mm N/A 5980 N N/A
Unit of Measure
1 2