H / HB Series
State of the art heavy duty helical and bevel/helical units, incorporating case hardened and profile ground gears throughout. Available in 23 sizes with capabilities up to 480kNm.
The units are available as:
- Bevel / helical units - Type HB
 - Parallel axis helical units - Type H
 
Technical Specifications

Features
- Industry Standard dimensions to eliminate downtime & rengineering costs.
 - Heavy duty design for high torque applications.
 - Versatile range of size, reduction stage & mounting options.
 - Wide ratio range gives speeds to match all design demands.
 - Motorised and speed reducer options.
 - Hollow, shrink disc and solid output shaft variants.
 - Forced lubrication systems for vertical & high speed applications.
 - Fan and external cooling systems available to allow greater torques to be transmitted at higher input speeds.
 - ATEX certification options.
 
Benefits
- Premium quality heavy duty taper and spherical roller bearings are used for maximum load capacity and long life.
 - Gear cases are manufactured in close grain cast iron for absorption of vibration and low noise levels.
 - Case hardened and profile ground gearing, giving maximum power transmission capacity, smooth operation, long life and high efficiency.
 - All units are available with the option of male output shafts or shaft mounting output, suitable for all design possibilities.