1型号TypeDH50QF2工件质量(kg)Max.mass of workpieces503工件直径(mm)Max.diameter of workpiecesφ8004两支承间距离(mm)Distance between two bearingsupports of workpieces journal60~10205滚轮支承轴颈范围(mm)Journal diameterφ8~φ50φ50~φ1006圈带传动处直径范围(mm)Diameter ranger in the driving position of beltφ20~φ2207