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
Print Back
Heavy-Duty-Needle-Roller-Bearings-Without-Inner-Ring---NK50-Series---3D
Unit of Measure
1 2 3 4 

Item #

Outside Diameter

Dimension C

Dynamic (Cr) Basic Load Rating

CAD

NK5/10 TN N/A 10 mm N/A 10 mm N/A 2100 N N/A
NK8/12 TN N/A 15 mm N/A 12 mm N/A 3950 N N/A
NK10/12 TN N/A 17 mm N/A 12 mm N/A 4750 N N/A
NK12/12 N/A 19 mm N/A 12 mm N/A 6050 N N/A
NK12/16 N/A 19 mm N/A 16 mm N/A 8200 N N/A
NK14/16 N/A 22 mm N/A 16 mm N/A 10100 N N/A
NKS14 N/A 25 mm N/A 16 mm N/A 10400 N N/A
RNA4900 N/A 22 mm N/A 13 mm N/A 8500 N N/A
RNA6900 N/A 22 mm N/A 22 mm N/A 12800 N N/A
NK15/12 N/A 23 mm N/A 12 mm N/A 8600 N N/A
RNA152815 N/A 28 mm N/A 15 mm N/A 13600 N N/A
NK16/16 N/A 24 mm N/A 16 mm N/A 11300 N N/A
NK16/20 N/A 24 mm N/A 20 mm N/A 10400 N N/A
NKS16 N/A 28 mm N/A 16 mm N/A 14900 N N/A
RNA4901 N/A 24 mm N/A 13 mm N/A 6400 N N/A
RNA6901 N/A 24 mm N/A 22 mm N/A 14000 N N/A
NK17/16 N/A 25 mm N/A 16 mm N/A 9000 N N/A
NK18/20 N/A 26 mm N/A 20 mm N/A 15500 N N/A
NK20/16 N/A 28 mm N/A 16 mm N/A 11500 N N/A
NK20/20 N/A 28 mm N/A 20 mm N/A 11500 N N/A
NK202616 N/A 26 mm N/A 16 mm N/A 9600 N N/A
NK202620 N/A 26 mm N/A 20 mm N/A 9600 N N/A
NK203312SX N/A 33 mm N/A 12 mm N/A 13000 N N/A
NKS20 N/A 32 mm N/A 20 mm N/A 20000 N N/A
RNA4902 N/A 28 mm N/A 13 mm N/A 11000 N N/A
Unit of Measure
1 2 3 4