The World’s Smallest Ball Bearing Introducing the world’s smallest deep groove ball bearing, in which we have concentrated our technologies on micro processing, assembling and measurement to achieve a top notched manufacturing technology and in house made jigs and tools. 〈 Specifications 〉 Outer Diameter ： φ２．０ mm Inner Diameter ： φ０．６ mm Width ： Ball Diameter ： φ０．３ mm (７ pcs) Retainer ： ０．０４ mm (thickness) ０．８ mm Material ： Stainless (Inner/Outer rings, Balls) Even smaller than a grain of rice Achieved JIS P 5 class on ultra precision and quietness. 1 NSK Micro precision co. , ltd. MINIATURE BAILL BEARING & UNIT PRODUCTS. M
Comparison: The smallest one and former smallest one Dimensions Smallest one B０．６ ６８１ＸＺＺ O. D. ２．０ mm ４．０ mm I. D. ０．６ mm １．５ mm Former one Width ０．８ mm ２．０ mm Ball size ０．３ mm Ｘ 7 ０．６ mm Ｘ 7 Retainer Thickness ０．０４ mm Thickness ０．０６ mm Mass ０．０１ g ０．１ g O. D. I. D. Smallest one Former one Accuracy Former one B０．６ ６８１ＸＺＺ JIS ＪＩＳ P 5 AFBMA ＡＢＥＣ ５ Retainer Ball Smallest one Former one Smallest one 2 NSK Micro precision co. , ltd. MINIATURE BAILL BEARING & UNIT PRODUCTS. M
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