Features: High quality roller bearing are designed to accommodate combined loads. Made of premium stainless steel, corrosion resistance and rust resistance. Used for supporting the mechanical rotating body, reducing the friction coefficient in the motion process and ensuring its accuracy. High precision, stable performance, long life and high reliability. Widely used in automobile, rolling mill, mining, metallurgy, plastic machinery and other industries. Specification: Model: SMR63ZZ ordinary grade Inside diameter: 3mm/0.12in Outer diameter: 6mm/0.24in Thickness: 2.5mm/0.1in Bearing material: bearing steel Usage characteristics: high speed Rolling system column: single column Raceway type: deep groove raceway Rolling body: steel ball Scroll type: ball Sealing cover: double seal Package List: 4* Bearing Package List 1High quality roller bearing are designed to accommodate combined loads. 2Made of premium stainless steel, corrosion resistance and rust resistance. 3Used for supporting the mechanical rotating body, reducing the friction coefficient in the motion process and ensuring its accuracy. 4High precision, stable performance, long life and high reliability. 5Widely used in automobile, rolling mill, mining, metallurgy, plastic machinery and other industries.