... , needle roller bearings, pillow block bearings, linear bearings, rod end bearings, auto bearings, stamping bearings, miniature bearings, ... .Specification:Name: window roller, window pulley ,wheel2.Material:Nylon and bearing3.Surface treatment: plated zinc, nickel ,chrome4. ... free provided16.Comprehensive after-sales service Products name NYLON Pulley by CustomizedBrand namecustomised to the customer's ...