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

603 N/A 3 mm N/A 9 mm N/A 3 mm N/A 0.57 kN N/A
623 N/A 3 mm N/A 10 mm N/A 4 mm N/A 0.64 kN N/A
633 N/A 3 mm N/A 13 mm N/A 5 mm N/A 1.42 kN N/A
MR74 N/A 4 mm N/A 7 mm N/A 2 mm N/A 0.31 kN N/A
627/4 N/A 4 mm N/A 7 mm N/A 2.5 mm N/A 0.255 kN N/A
MR84 N/A 4 mm N/A 8 mm N/A 2 mm N/A 0.392 kN N/A
684 N/A 4 mm N/A 9 mm N/A 2.5 mm N/A 0.64 kN N/A
MR104 N/A 4 mm N/A 10 mm N/A 3 mm N/A 0.71 kN N/A
694 N/A 4 mm N/A 11 mm N/A 4 mm N/A 0.96 kN N/A
604 N/A 4 mm N/A 12 mm N/A 4 mm N/A 0.97 kN N/A
624 N/A 4 mm N/A 13 mm N/A 5 mm N/A 1.3 kN N/A
634 N/A 4 mm N/A 16 mm N/A 5 mm N/A 1.75 kN N/A
MR85 N/A 5 mm N/A 8 mm N/A 2 mm N/A 0.274 kN N/A
675 N/A 5 mm N/A 8 mm N/A N/A 0.274 kN N/A
MR95 N/A 5 mm N/A 9 mm N/A 2.5 mm N/A 0.43 kN N/A
MR105 N/A 5 mm N/A 10 mm N/A 3 mm N/A 0.54 kN N/A
685 N/A 5 mm N/A 11 mm N/A 3 mm N/A 0.775 kN N/A
638/5 N/A 5 mm N/A 11 mm N/A 5 mm N/A 0.775 kN N/A
695 N/A 5 mm N/A 13 mm N/A 4 mm N/A 1.08 kN N/A
605 N/A 5 mm N/A 14 mm N/A 5 mm N/A 1.33 kN N/A
625 N/A 5 mm N/A 16 mm N/A 5 mm N/A 1.75 kN N/A
635 N/A 5 mm N/A 19 mm N/A 6 mm N/A 2.6 kN N/A
MR106 N/A 6 mm N/A 10 mm N/A 2.5 mm N/A 0.46 kN N/A
627/6 N/A 6 mm N/A 10 mm N/A 3 mm N/A 0.46 kN N/A
637/6 N/A 6 mm N/A 10 mm N/A 3.5 mm N/A 0.46 kN N/A
Unit of Measure
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