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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Heavy-Duty-Needle-Roller-Bearings-With-Inner-Ring---NA-Series---3D
Unit of Measure
1 2 3 4 

Item #

Bore Diameter

Outside Diameter

Dimension C

Dynamic (Cr) Basic Load Rating

CAD

NA4917 N/A 85 mm N/A 120 mm N/A 35 mm N/A 125000 N N/A
NA6917 N/A 85 mm N/A 120 mm N/A 63 mm N/A 188000 N N/A
NA4918 N/A 90 mm N/A 125 mm N/A 35 mm N/A 129000 N N/A
NA6918 N/A 90 mm N/A 125 mm N/A 63 mm N/A 195000 N N/A
NA4919 N/A 95 mm N/A 130 mm N/A 35 mm N/A 131000 N N/A
NA6919 N/A 95 mm N/A 130 mm N/A 63 mm N/A 197000 N N/A
NKI95/36 N/A 95 mm N/A 125 mm N/A 36 mm N/A 114000 N N/A
NA4920 N/A 100 mm N/A 140 mm N/A 40 mm N/A 144000 N N/A
NKI100/30 N/A 100 mm N/A 130 mm N/A 30 mm N/A 98000 N N/A
NA4822 N/A 110 mm N/A 140 mm N/A 30 mm N/A 94000 N N/A
NA4922 N/A 110 mm N/A 150 mm N/A 40 mm N/A 149000 N N/A
NA4824 N/A 120 mm N/A 150 mm N/A 30 mm N/A 99000 N N/A
NA4924 N/A 120 mm N/A 165 mm N/A 45 mm N/A 205000 N N/A
NA4826 N/A 130 mm N/A 165 mm N/A 35 mm N/A 118000 N N/A
NA4926 N/A 130 mm N/A 180 mm N/A 50 mm N/A 223000 N N/A
NA4828 N/A 140 mm N/A 175 mm N/A 35 mm N/A 120000 N N/A
NA4928 N/A 140 mm N/A 190 mm N/A 50 mm N/A 237000 N N/A
Unit of Measure
1 2 3 4