0類：深溝球軸承 deep groove ball bearings
6000 6200 6300 6700 6800 6900 -N -ZZ -2RS等
1類：調(diào)心球軸承 self aligning ball bearings
1200 1300 2200 2300
2類：圓柱滾子軸承 cylindrical roller bearings
NU000、N0000 NJ NN NNU
3類：調(diào)心滾子軸承 self aligning roller bearings
-20000
4類：滾針軸承 needle roller bearings
-K、HK000、NK0000、NA0000
6類：角接觸球軸承 angular contact ball bearings
–7000C、7000AC、7000B
7類：圓錐滾子軸承 tapered roller bearings
–30000 單列、35000 雙列、38000 四列
推力軸承 thrust bearings
8類：推力球軸承 Thurst ball bearings
–51000 單向、52000 雙向
9類：推力滾子軸承 Thurst roller bearings
推力角接觸球軸承 –560000 單向、234000 雙向
推力圓柱滾子軸承 -81000
推力調(diào)心滾子軸承 –29000
推力圓錐滾子軸承 –90000 等
軸承前置代碼（前綴）&后置代碼(后綴)含義
