1. Product Introduction The 6203-RS is a single-row deep groove ball bearing fitted with double-sided RS rubber contact seals , engineered for medium-speed duty where dependable waterproof and dust-proof protection is required. It is produced from high-purity GCr15 bearing steel, hardened through controlled quenching and tempering, and finished with precision-ground raceways and steel balls. The RS rubber seals block water, dust and splash ingress while holding the factory
1. Product Introduction The 6203-RS is a single-row deep groove ball bearing fitted with double-sided RS rubber contact seals , engineered for medium-speed duty where dependable waterproof and dust-proof protection is required. It is produced from high-purity GCr15 bearing steel, hardened through controlled quenching and tempering, and finished with precision-ground raceways and steel balls. The RS rubber seals block water, dust and splash ingress while holding the factory