55 Flexibility BATK15 (Minimum number of teeth, minimum diameter) Type Tension-member Belt Width (mm) Dimension Open-Ended “M” Welded “V” Open-Ended “M” specific belt stiffness Welded “V” Belt Mass M/V (approx.) 50 75 100 Fall (steel cord) Fall (steel cord) (steel cord) Fall (stainless steel cord) Fall (stainless steel cord) (stainless steel cord) BATK15 Fall (N) Fall (N) (N) Fall (N) Fall (N) (N) (kg/m) 11,200 5,600 2,800,000 9,000 4,500 2,800,000 0.428 16,800 8,400 4,200,000 13,500 6,750 4,200,000 0.642 22,400 11,200 5,600,000 18,000 9,000 5,600,000 0.856 Truly Endless “BFX” Truly Endless “BFX” Belt Mass BFX (approx.) Fall (steel cord) Fall (hi-flex cord) BATK15 Fall (N) Fall (N) (kg/m) specific belt stiffness Truly Endless “BFX” Fall (stainless steel cord) Fall (N) 10,400 10,400 8,300 0.420 16,000 16,000 12,800 0.629 21,600 21,600 17,300 0.836 BATK15 Open-Ended, Welded, and Truly Endless ARC-POWER® TIMING BELT Performance Parameters This chart demonstrates max allowable tensile strength. Specific belt stiffness is measured in newtons. Belt mass is measured in kilograms per meter of belt length. Zmin Steel Cord dmin(mm) Stainless Steel Cord M/BFX V M/BFX V Construction Zmin Steel Cord dmin(mm) Stainless Steel Cord M/BFX V M/BFX V Construction Tension Member Tension Member Drive w/o Back bending 20 25 100 25 25 120 120 120 Drive with Back bending 30 35 150 35 40 180 180 190 Zmin dmin Zmin dmin