Extra thin bearings mean a extremely thin bearing section, they are designed for applications where space limitations are of the utmost importance.It realizes the miniaturization and lightweight of the products. The inner ring and outer ring has been minimized or thinned out as more as possible，of course the disadvantage is that this comes at the expense of load capacity.Extra thin bearings are also called thin section ball bearings or extra thin ball bearings,it mean a extremely thin bearing section, they are designed for those applications where space limitations are of the utmost importance. Therefore, the dimensions of the inner and outer rings for extra thin bearings or thin section ball bearings are as close as possible,it realizes the miniaturization and lightweight of the products. Because the inner ring and outer ring of thin section ball bearings have been minimized or thinned out as more as possible，of course the disadvantage is that this comes at the expense of load capacity.Founded in 2007,Zhangzhou Runstar Bearings Manufacturing Co.;Ltd is a professional thin section ball bearings manufacturer in China, we have full series of thin section ball bearings for choice.