①滚动轴承标有代号的端面应装在可见方向，以便更换时查对。

The end face of rolling bearing with code should be in a visible direction, in order to change the check.

②轴颈或壳体孔台阶处的圆弧半径应小于轴承上相对应处的圆弧半径。

(2) shaft neck or hole in arc radius should be less than the bearing shell are corresponding to the arc radius.

③轴承装配在轴上和壳体孔中后，应没有歪斜现象。

(3) bearing assembly on the shaft and hole in the shell, should be no askew phenomenon.

④在同轴的两个轴承中，必须有一个随轴热胀时产生轴移动。

(4) in the two coaxial bearing, there must be a along with the axial thermal produced when axis movement.

⑤装配滚动轴承时，必须严格防止污物进入轴承内。

(5) when the rolling bearing assembly, must be strictly prevent dirt from entering the bearings.

⑥装配后的轴承，须运转灵活、噪声小、工作温度一般不宜超过65℃.

6 after the bearing assembly, flexible operation, low noise, working temperature should not be commonly more than 65 ℃.