Helical gear reducers - aluminium


Helical gear reducers - aluminium

  • HA52pam90B5_CAM1 maxi
  • HA31_NMRV040_T63B5_CAM1 maxi
  • HA31-140x16x40-pam140x11_CAM1 maxi
  • HA31-140x16x40-pam140x11_T63B5_CAM1 maxi
  • HA51F-pam90B5_CAM 1 maxi
  • HA52Fpam90B5_CAM1 maxi
  • HA52Fpam90B5-T090S_CAM1 maxi
  • HA52pam90B5-T090S_CAM1 maxi
  • HA53Fpam90B5_CAM1 maxi
  • HA53Fpam90B5-T090S_CAM1 maxi
  • HA53pam90B5_CAM1 maxi
  • HA53pam90B5-T090S_CAM1 maxi
  • HA53U-Pam90B5_CAM1 maxi
  • HA53U-Pam90B5-T090S_CAM1 maxi
  • CHA52F-T090S_CAM1 maxi
  • CHA52-T090S_CAM1 maxi
  • CHA53F-T090S_CAM1 maxi
  • IHA52_CAM1 maxi
  • IHA52F_CAM1 maxi
  • IHA53_CAM1 maxi
  • IHA53F_CAM1 maxi

Designed to offer maximum reliability even in the harshest operating conditions, the HA product series guarantees complete versatility and is suitable for applications that require high radial loads.

The H-series includes a large number of extremely versatile models, in cast iron (sizes 030 to 140) or aluminium (sizes A30 to A60) casing.

Certifications Available: ATEX 3GD

Warranty: Two years from date of delivery. 

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  • Sizes: A30-A40-A50-A60 
  • Available versions: HA - fitted for motor coupling, IHA - with input shaft, CHA - with compact motor
  • Casing with feet, flange F or universal U
  • Power up to 5,5 kW 
  • Gears hardened and tempered with shaved or ground profile 
  • Gearing with 1, 2 and 3 reduction stages 
  • Reduction ratios between 1,33 and 353,98 
  • Torque max 500 Nm and admissible radial loads max 8.000 N 
  • Cases in die-cast aluminium alloy 
  • Load capacity calculated to ISO 6336 and verified according to AGMA 2001
  • Painted with RAL 5010 blue epoxy-polyester powder 

To enable us to identify the correct product for your requirements please complete the below form.

The highlighted fields are mandatory.

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Motor Type

Motor Information
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Protection degree

Gearbox speed (rpm)

Speed range (rpm)

Required torque (max/average)

Description of the application

Stop-Starts/Hr (Qty) - Duty


Casing version

Gearbox mounting

Mounting position (see catalogue)

Loading (Please refer to the “Service Factor” paragraph on the catalogue)

Fr/Fa radial/axial load

Connection(direct, coupling, belt drive, chain...)

Minimum Service Factor required

Certifications/ Regulations required

Presence of external heat sources ((from sun, environment and/or machines)

Installation environment
Type of atmosphere
The following information is useful and necessary to identify the correct product according to the European ATEX Directive 94/9/CE. Please, fill the blank spaces of this document. Important note: Motovario cannot supply products for Atex 1D/1G or Zone 0

Type of zone

Permitted surface temperature
GAS (Temperature class)


Motovario, if above information is provided, can confirm harmonization to EN1127-1 and from EN13463-1 to EN13483-8 for: H/HA Series - Helical gear reducers, B/BA Series - Helical bevel gear reducers, S Series - Shaft mounted gear reducers, NMRV/NMRV-P Series - Worm gear reducers.
In case of order, the information above must be provided to enable the supply of the product necessary certification, file number and data for the nameplate.
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