PN系列盘PN系列盘型号及主要尺寸型号侧板直径d1(mm)筒体直径d2(mm)内宽L2总宽L1轴孔d3(mm)Re1e2厚度PN250A250100153/180183/21030/33/3715PN300300160200/250230/28030/36/4015PN35035016022026030/36/409456020PN400A400200120155/1605613627516/20PN400B40020025030043/5610507016/20PN400C400200265300/3055610507016/20PN400D400200280315/3205610507016/20PN50050025025030056/12711658520/25PN500500250315355/37556/12711658520/25PN5005002004204605620PN560560272250/290305/34556/12727PN630A630250/31531537556/12712.58310027.5PN630B630250/3154154755612.58310027.5PN800800315/40050060080/12735PN1000100050063075080/12740)