输送用双节距精密滚子链轮链轮|链轮厂|不锈钢链轮R2040滚子直径d=8.51P=12.70T=7.20齿数作用齿数节径P.C.D内孔D齿根径BDBL1571/2671262.4550301781/2761270.315030189801274.2650301991/2841278.2350302010881282.20564021101/2921286.1756402211961290.16564023111/21001294.15564024121041298.14564025121/210812102.145640261311212106.14564027131/211612110.145640281412012114.15564029141/212412118.165640http:///Chain%mlR2060滚子直径d=11.91P=19.05T=11.10齿数作用齿数节径P.C.D内孔D齿根径BDBL1571/21012093.6770401781/211320105.47704018911920111.4070401991/212620117.348040201013220123.30804521101/213820129.268045221114420135.24804523111/215020141.228045241215620147.21804525121/216220153.208045261316820159.20804527131/217420165.218045281418120171.22854529141/218720177.238545)