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Miniature Ball Bearings

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Metric Miniature Ball Bearings(Shield)

684ZZ Specifications
Bearing Type metric miniature ballbearings 684ZZ              Section Image
Bore Diameter (d) 4.0mm miniature bearings 684ZZ
Outer Diameter (D) 9.0mm
Min. Radius (rs) 0.10mm
Width (B) 2.5mm
Load Rating (Cr) 641N
Load Rating (Cor) 227N
Max. Speed (Grease) x 1000 53rpm
Max. Speed (Oil) x 1000 63rpm
Cage Type 1-piece steel crown type
2-pieces steel ribbon type
1-piece nylon crown type
Weight 0.65 grams
Material 52100 Chrome Steel
440 Stainless Steel
Ball Size & Qty 7×1.588
Note:1. d2=5.2, 2. D2=8.1 Other Item No.: L-940ZZ,684ZZ,W684ZZ,W684ZZA