Variable Speed BeltVariable Speed BeltVariable Speed Belt
Variable Speed BeltVariable Speed BeltVariable Speed Belt

Variable Speed Belt

Variable Speed Belt are specially designed for extreme variable applications.
Available Types: HI, HJ, HK, HL, HM, HN, HO
Standard: ISO 3410:1989 / BS 3733: 1974
Available Grades: Normal, -K (Kevlar)
Other Names: Variable drive belt, Variable v-belt

Cross-Sectional Sizes:

Section Top Width(mm) Thickness(mm) Angle(Degree)
HI 25.4 12.7 30
HJ 31.9 15.1 30
HK 38.1 17.5 30
HL 44.5 19.8 30
HM 50.8 22.2 30
HN 57.2 23.9 30
HO 63.5 25.4 30



  • Extremely durable in heavy-load applications;
  • Capable with standing harsh operating environments;
  • Excellent shock resistance and high transmission capacity;
  • Longer service life in reverse bending applications;
  • Help smooth running without excessive vibrations;
  • Specific belt-design for maximum flexibility;
  • Perform well in heavy-duty load applications.


  • Variable speed pulley drives requiring exact speed control and maximum range of speed changes. They are ideal for recreational equipment, agricultural applications and machine tools.


If you have any requirements, please fill in the following information and we will reply you in time.

  • *