American Groove V Belt Pulley 3V 5V 8V Sheaves with Qd Bushings

American Groove V Belt Pulley 3V 5V 8V Sheaves with Qd Bushings. High-Speed Dynamic Balance: Balanced to Q6.3 or higher for safe operation at rim speeds up to 40 m/s. Customizable Specifications: Groove number, bore type, size, material, color, and logo are fully customizable. Strict Quality Control: Includes hardness, slot, and bore accuracy tests with independent lab reports. Anti-Corrosion Protection: Features black phosphating, electrophoresis paint, and rust-proof oil coating. Large Production Capacity: Annual output exceeds 500,000 pulleys and 300,000 bushings. Fast Delivery Options: 2-5 days for stock items; 15-45 days for customized non-stock orders. Free Sample Availability: Free samples provided, though freight costs are covered by the buyer. Global Certification: Products certified with ISO9001, ISO14001, and CE standards.