产品型号孔径轮毂径分度圆直径 齿顶圆直径齿宽ABCDE MSGA1-18 118 S1815182010 MSGA1-20 120 S1817202210 MSGB1-20** 120 S11017202210 MSGA1-24 124 S11020242610 MSGB1-24 124 S11220242610 MSGA1-25 125 S11020252710 MSGB1-25 125 S11220252710 MSGA1-30 130 S11025303210 MSGB1-30 130 S11225303210 MSGA1-35 135 S11025353710 MSGB1-35 135 S11525353710 MSGA1-36 136 S11225363810 MSGB1-36 136 S11525363810 MSGA1-40 140 S11230404210 MSGB1-40 140 S11530404210 MSGA1-45 145 S11230454710 MSGB1-45 145 S11530454710 MSGA1-48 148 S11230485010 MSGB1-48 148 S11530485010 MSGA1-50 150 S11235505210 MSGB1-50 150 S11535505210 MSGA1-55 155 S11540555710 MSGB1-55 155 S12040555710 MSGA1-60 160 S11540606210 MSGB1-60 160 S12040606210 MSGA1-70 170 S12045707210 MSGB1-70 170 S12545707210 MSGA1-80 180 S12045808210 MSGB1-80 180 S12545808210 MSGA1-100 1100 S12