Product Name: Stainless Steel BearingsPlace of Origin: ChinaHuaneng rings and balls are made of GCr15 refined chrome bearing steel, 9Cr18 stainless steel or beryllium bronze. Huaneng bearings are lubricated before delivery and the working temperature is from -20 to 120°C. Features: 1) Materials: carbon steel, GCr15 chrome bearing steel (AISI52100), 9Cr18 stainless steel (AISI440) 2) Type: open, RS, 2RS, Z, ZZ 3) Specifications: 604-6009, 624-6208, 634-6308, 684-6808, 694-6908 4) Tolerance: ABEC-1, ABEC-3, ABEC-5, ABEC-7 5) Internal clearance codes: black, C2, C3, C4, C5 Applications: Stainless steel bearings are preferred where corrosion and chemical resistant properties are required. They are commonly used for food processing machines, medical equipment, printing machines and other industrial machinery. Corrosion resistant bearings are the key to further development. Packing: Plastic tube + export carton Special packing is available upon request Note: We can offer non-standard stainless steel bearings to meet special engineering requirements.