YL Flange Coupling is a rigid coupling, suitable for coaxial axis drive shaft system, transfer torque is 63-100000N. m. YL Flange Coupling Parameters And Dimensions  Type  Nominal Torque TnN m Allowable Speed r/min Shaft Hole Diameter d Shaft Hole  Length L D D, b S b,Blot Inertia  Moment kg m Weightkg Y J. d. n YL1 63 6300 22 30 38 82 120 48 36 8 52 M10 4 0. 006 4. 10 YL2 200 5800 30 42 60 112 130 68 0. 008 6. 97 YL3 400 5000 40 50 84 112 150 80 40 56 0. 021 9. 38 YL4 800 4400 50 63 84 142 170 100 M12 8 0. 039 23. 27 YL5 2000 3600 63 80 107172 210 130 50 10 68 0. 122 30. 72 YL6 5000 2800 80 100 132212 260 160 66 84 M16 0. 360 57. 95