This special heat-treatment ensures full bearing performance and prevents the set screws from loosening during operation as the set screws can be tightened hard enough without causing broken inner ring set screw hole.
英
美
- 內圈螺釘孔周?chē)?jīng)局部高溫回火后,軸承獲得更好的性能,可防止螺釘在軸承工作期間松脫,同時(shí)螺釘擰得緊也不會(huì )導致內圈爆裂。