Harbin High-Speed Deep Groove Ball Bearings (6860/6864/6868/6872 Series)
Precision-engineered for high-speed performance with deep groove design, ensuring smooth rotation under heavy loads. Durable chrome steel construction with hardened raceways for extended service life. Available in ZZ (metal shield), 2RZ (non-contact rubber seal), and 2RS (contact rubber seal) variants for dust/contamination protection. Ideal for industrial machinery, automotive applications, conveyor systems, and power tools. Low friction design reduces energy consumption, while advanced lubrication enhances operational efficiency. Global wholesale pricing with bulk discounts—direct factory supply guarantees unbeatable value. Strict quality control meets ISO standards for reliability. Customizable specifications available for OEM buyers. (Note: ZZ shields suit high-speed clean environments; 2RS seals excel in harsh conditions.)