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軸承精度按照GB/T307-94的國(guó)家標(biāo)準(zhǔn)可以分為G、E、D、C、B。這些公差和ISO、JIS等標(biāo)準(zhǔn)對(duì)照如下
There are stipulations to the roller bearing major size allowable tolerance, admittance value, rotating precision in the National Standard of GB/T307-94, the following is a comparison table between these admissions and ISO, JIS Standards