
Corrosion Resistant W628 638 618-2RS1 Stainless Steel Bearing for Medical Equipment. Corrosion Resistant Material: Made of high-quality stainless steel (AISI 440C or 316) for excellent rust and water resistance. Wide Size Range: Available in many standard sizes from tiny micro-bearings to larger ones for heavy machines. High Precision Performance: Multiple accuracy ranges ensure smooth, quiet operation with low friction even at high speeds. Effective Sealing Options: Equipped with metal shields (ZZ) or rubber seals (2RS) to keep dust and water out. 12-Month Warranty: Solid warranty covering all manufacturing defects with free replacement from arrival date. OEM and ODM Support: Full customization support including non-standard bearings, laser marking, and custom packaging. Third-Party Inspection: 100% welcome third-party inspections (SGS, Intertek, BV) before shipment for quality assurance. Free Sample Availability: Free samples for standard models available; shipping cost refunded upon first bulk order.