河北邯郸永年县无动力托辊/动力托辊/双向螺旋托辊(电话定制、省事省力)68元/吨,加工定制:是,型号:DTII、DTIIA、TR、TD75、,规格:B=500-------B=2200,材质:铁,直径:89/108/114/133/140/159/165/168/180/194/219(mm)(mm),长度:190-----200---------2400(mm(mm),轴承类型:204/205/206/305/306/307/308/309/310/,承载:24--------560(kN)(kN),适