Writer discusses also the characteristic of silicon nitrid ceramic materials,and chooses this ceramic bearing used in the bottom of the reactor above. 论述了氮化硅陶瓷材料的特点，选择了氮化硅陶瓷轴承作为有机硅室温胶搅拌釜底轴承并进行了相应设计。
Oil may be forced out through the timing cover and rear-main bearing oil seals. 机油会从正时齿轮盖和后主轴承油封处压出。
The front cover exactly matches this shape and also has a raised circular area that fits into a matching countersunk area of the block in front of the main bearing. 封面完全匹配这个形状和也提出了圆形区域，可以成为一个匹配埋头面积块前面的主轴承。
