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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Miniature Ball Bearings Open Type 3D
Miniature Ball Bearings Open Type Diagram
Unit of Measure
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Item #

Bore Diameter

Outside Diameter

Overall Bearing Width

Dynamic (Cr) Basic Load Rating

CAD

638/6 ZZ N/A 6 mm N/A 13 mm N/A 6 mm N/A 1.088 kN N/A
696 ZZ N/A 6 mm N/A 15 mm N/A 5 mm N/A 1.47 kN N/A
606 ZZ N/A 6 mm N/A 17 mm N/A 6 mm N/A 1.97 kN N/A
626 ZZ N/A 6 mm N/A 19 mm N/A 6 mm N/A 2.24 kN N/A
636 ZZ N/A 6 mm N/A 22 mm N/A 7 mm N/A 3.3 kN N/A
MR117ZZ N/A 7 mm N/A 11 mm N/A 3 mm N/A 0.456 kN N/A
637/7 ZZ N/A 7 mm N/A 11 mm N/A 3.5 mm N/A 0.456 kN N/A
MR137 ZZ N/A 7 mm N/A 13 mm N/A 3 mm N/A 0.54 kN N/A
638/7 ZZ N/A 7 mm N/A 14 mm N/A 6 mm N/A 1.18 kN N/A
687 ZZ N/A 7 mm N/A 14 mm N/A 5 mm N/A 1.18 kN N/A
697 ZZ N/A 7 mm N/A 17 mm N/A 5 mm N/A 1.6 kN N/A
607 ZZ N/A 7 mm N/A 19 mm N/A 6 mm N/A 2.254 kN N/A
627 ZZ N/A 7 mm N/A 22 mm N/A 7 mm N/A 3.3 kN N/A
637 ZZ N/A 7 mm N/A 26 mm N/A 9 mm N/A 4.55 kN N/A
MR128 ZZ N/A 8 mm N/A 12 mm N/A 3.5 mm N/A 0.545 kN N/A
MR148 ZZ N/A 8 mm N/A 14 mm N/A 3.5 mm N/A 0.823 kN N/A
628/8 ZZ N/A 8 mm N/A 16 mm N/A 5 mm N/A 1.6 kN N/A
638/8 ZZ N/A 8 mm N/A 16 mm N/A 6 mm N/A 1.6 kN N/A
698 ZZ N/A 8 mm N/A 19 mm N/A 6 mm N/A 2.25 kN N/A
608 ZZ N/A 8 mm N/A 22 mm N/A 7 mm N/A 3.3 kN N/A
628 ZZ N/A 8 mm N/A 24 mm N/A 8 mm N/A 3.35 kN N/A
638 ZZ N/A 8 mm N/A 28 mm N/A 9 mm N/A 4.55 kN N/A
637/9ZZ N/A 9 mm N/A 14 mm N/A 4.5 mm N/A 0.558 kN N/A
689 ZZ N/A 9 mm N/A 17 mm N/A 4 mm N/A 1.6 kN N/A
699 ZZ N/A 9 mm N/A 20 mm N/A 6 mm N/A 2.45 kN N/A
Unit of Measure
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