... 200 Reach Jiayuan Timing Belt Pulley 1.Straight-bore: MXL,XL,L,H,T2.5,T5,T10,AT5, ... AT10,3M,5M,8M,14M;2.Taper-bore: L,H,XH,5M,8M,14M;3.Timing pulley ... bar: MXL,XL,L,T2.5,T5,T10,AT5,AT10,3M, ... alloy, Carton steel, Cast iron, Stainless steel;5.Surface treament: Anodic oxidation, Blackening, Zinc Plating,Phosphatization ... radial load on it's support Timing Belt Pulley