Our company specialized in manufacturing ball bearing.The material of the ring and ball is GCr15,which equivalent to AISI52100. We also have many testing instruments to guarantee the quality in every process of production.You also can choose the grease according to your product if you need.
Every bearing assembly part is hand inspected to meet our strict quality control, so you will be assured that it will meet your quality standard.Regarding the vibration grade,you can choose the standard of JB/T7047-93 or JB/T7047-94,then will test the product by different instruments.
And we have two kinds of package,The common is packed in to rustproof paper then packed into carton.The other is single package.