China deep groove ball bearings 6203 6204 6201 6202 6205 2RS rodamientos de bolas
Deep groove ball is divided into two types: sealed and open:
--The open type means that the bearing does not have a sealing structure.
--The sealed deep groove ball is divided into dustproof seal and oil proof. seal.
1). The dust seal cover material is stamped from steel plate, which is simple to prevent dust from entering the bearing raceway.
2). The oil-proof type is a contact type oil seal, which can effectively prevent the grease from overflowing inside the bearing.