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688

$5.72 off

688

Wheel, load w/bearing

$29.99
$29.99 $35.71

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Product Description

SKU 688 identifies a miniature deep groove ball bearing available in open, shielded (ZZ), and double-sealed (2RS) variants, typically for 8 mm shafts. Key specifications include: 8 mm bore, 16 mm OD, 4–6 mm width (depends on seal type), 52100 chrome steel construction, dynamic load ratings of 1,064–1,550 N, and ABEC precision classes. Commonly cross-referenced as 688ZZ, B688ZZ, 688-2RS, MR688-2RS, and stainless variants. Used in rotary and automation applications; verify dimensional and material

Specifications

Material
Ring MaterialSteel
Ball MaterialChrome steel
Part Numbers
Cross-Reference Part Numbers688, B688ZZ, 688ZZ
Performance
Dynamic Load Rating (Cr)Approximately 1064 N for 688-2RS
Maximum Speed (Grease)36,000 RPM for 688-2RS

How do I know if this item is compatible with my equipment?

The compatible make and model for this part is located in the product description, however, you can reach out to our team of experts and they can help assure you are finding the part you need.

Can I return this item?

All items are returnable as long as they are shipped back within 30 days in unused condition with their original packaging. More information can be found in our return policy.