We need pulley:1) AK28X5/6 3" 500pcs  SPECS: Bore Type Fixed  Bore Dia. (In.) 5/8  Fits Shaft Dia. (In.) 5/8  Bushing Required None  Outside Dia. (In.) 2.80  Groove Single  Construction Solid  3L Belt Pitch Dia. (In.) 2.26  4L or A Belt Pitch Dia. (In.) 2.60  Pitch Diameter is 0.05" Less than Outside Diameter  Keyway Standard  Setscrew Standard  Color Gray  Material Cast Iron  For Use With 3L, 4L, A, or AX Type V-belts  2) 9" 500pcs  Molded of premium quality glass-reinforced nylon material  Sintered metal drive hub is insertion-molded for high strength  Corrosion resistant and lightweight  State-of-the-art precision molding assures part consistency  Highly cost-effective  Specs pls refer to AFD94 Part  Number