要鉴别滚动轴承的质量,可从以下几方面入手。1.观察外表和包装滚动轴承内外圈及滚动体在擦去防锈油后表面应光洁如镜,用手触摸应似玻璃般平滑细腻,端面允许存在不明显的加工痕迹。带防尘壳的,防尘壳的表面粗糙度可大些,但任何部位都不能存在锈蚀现象。一般情况下,正规品牌都有自己专门的包装设计,因此包装无论从线条到色块都非常清晰(部分进口品牌的配件包装上还有专门用以保护自己知识产权的独特 To identify the quality of rolling bearings can be started from the following aspects. 1. Observe the appearance and packaging Rolling bearings inside and outside the ring and rolling the surface after wiping off rust-preventive oil should be smooth as a mirror, hand-touch should be smooth and delicate like glass, the end surface allows the existence of obvious processing marks. With dust-proof, dust-proof shell surface roughness can be larger, but no rust can be present anywhere. Under normal circumstances, the regular brand has its own special packaging design, packaging, no matter from the lines to the color blocks are very clear (part of the imported brand accessories packaging also has a special to protect their intellectual property unique