Street Address: changzhou city wujing hutang town
Province: Shandong
Needle rollers provided by CYJ has a complete set of breeds and spec and they are made by bearing steel, rigidity is HRC60～64, roughness of the surface Ra is less than 0.2. Dimension range of cylindrical roller: Dw:3～30, Lw: 5～50; they are made of GCr15