GL12GL12F滚子链联轴器（GB/T6069-85）(mm)型号公称转矩TnN·m许用转速[n]r/min轴孔直径d1d2mm轴孔长度DBr1SDxmaxLxmax转动惯量Kg.㎡重量kgY型J1型无罩壳有罩壳LLmmGL11GL11F4000250150075`100142~212107~16723224.021.52701950.18839.2GL12GL12F6300250125085~120172~212132~16727024.024.93102050.38059.4)