aaa> 内圈 inner ring　
1> 内径公差△ dmp, △bs 对于 gir…do,gar..do,gir…uk, gar…uk, gir..uk-2rs,gar…uk-2rs 以及 gihr…do,gihr-k…do, giho-k…do, gk…do, gf…do 同向心关节轴承 ge...e,ge...es,ge…uk,ge…uk-2rs 一样。
the tolerance of △dmp and △bs of gir…do,gar..do,gir…uk, gar…uk, gir..uk-2rs,gar…uk-2rs and gihr…do,gihr-k…do, giho-k…do, gk…do, gf…do, gir..uk-2rs,gar…uk-2rs are the same as radial spherical plain bearings ge...e,ge...es,ge…uk,ge…uk-2rs。
2> gihn-k…lo, gf…lo 的△ dmp, △ bs 同向心关节轴承 ge..lo.
the △dmp and △bs of gihn-k…lo, gf…lo are the same as radial spherical plain bearings ge…lo.
3> sizp...s,sazp...s,sazj...- 的△dmp, △bs 同向心关节轴承 gebk...s 。
the △dmp and △bs of sibp...s,sabp...s,sizp...s,sazp...s,sazj...-ａnd sazj... are the same as radial spherical plain bearings gebk...s。
4> si…tk, sa…tk, chs…, cos…系列
series sijk...c, sajk...c,sik...c,sak...c
bbb> 中心高偏差 center height deviation