SKF PULLEY FEATURES AND BENEFITS: N Manufactured according to ISO 5294 N Available in all profiles, including plain, taper brush and QD N Friction-type locking assemblies available on request N Statically-balanced to G6.3 N Taper bushes allow fast, accurate installation N Phosphate coating resists corrosion Type of Pulleys: N SPZ N SPA N SPB N SPC