Case: Anodised Aluminium.
Gears: Steel.

Greased for Life.
Max. Input Speed: 4,000 rpm
Max. Output Overhung Load (Fxa) at 1,000rpm: 5kg.
Max. Output Thrust Load (Fa) at 1,000rpm: 5kg.

Testing in your applications is necessary.
You will need to assess duty cycles and confirm gearbox suitability with your own calculations.
All figures listed are for guidance only.