Special Worm Gearbox

Special Worm Gearbox

Altra Worm

Special worm gearboxes can be customised according to your applications and requirements. For more details, get in touch with us.



Altra Worm


Power range: 0.12 to 7.5kW


Reduction ratio range: 7.5/1 to 100/1


Sizes: ALM025 to ALM130


Aluminium alloy composes the housing, flanges, feet upto size 90 and cast iron is used for the sizes 110 and above

Steel is used for the worm shaft and the case is hardened to 58-60 HRC and profile ground

The worm wheel is composed of G20 cast iron hub upon which a casting of AB1 bronze rim is fitted

Synthetic oil grade: ISO VG 320


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