
Qem High Quality Rust Prevention Spz/SPA/Spb/Spc V Belt Pulley/Taper Lock Bush/Qd Bushing/ Finished Bore Keyway Manufacturer. Wide Size Range: Outer diameter available from 50mm to 2000mm to fit various industrial needs. Multiple Standard Types: Supports European SPZ/SPA/SPB/SPC and American AK/BK/TA/TB/TC/B/C/D standards. Custom Manufacturing: Special pulleys can be manufactured according to customer drawings. Durable Material: Constructed from gray cast iron for robust performance in harsh environments. Versatile Bushing Options: Compatible with taper lock, QD, and split taper bushings for secure mounting. Precision Balancing: Available in dynamic and static balance options for smooth operation. Global Certifications: Certified with CE and ISO standards ensuring quality and safety compliance. Low Maintenance Design: Easy installation and removal features reduce downtime and maintenance costs.