8YU节距：8mm型号齿数节线长472-8YU59472488-8YU61488760-8YU95760856-8YU107856864-8YU108864880-8YU110880888-8YU111888896-8YU112896912-8YU114912920-8YU115920936-8YU117936944-8YU118944960-8YU1209601000-8YU12510001032-8YU12910321040-8YU13010401072-8YU13410721096-8YU13710961136-8YU14211361144-8YU14311441168-8YU14611681192-8YU14911921208-8YU15112081264-8YU15812641312-8YU16413121344-8YU16813441400-8YU17514001952-8YU24419522456-8YU3072456)