Module 2.5 spur gears with hub

Module 2.5 spur gears with hub are straight-tooth cylindrical gears with a pitch of 7.85 mm, designed for general-purpose machine gear drives transmitting medium loads. The wide gear rim and extended hub ensure stable seating of the gear on the shaft.

Module 2.5 spur gear with hub - a stronger tooth without a heavier gear drive

Module 2.5 fills the gap between modules 2 and 3 - you get a stronger tooth without moving to a larger, heavier gear drive. You bore the hole out for your shaft, so the gear also fits non-standard diameters. Besides C45E steel gears we offer many gears with hardened teeth, and in selected sizes also stainless and PA6+FV gears. O3D gears 3D printed from PA12 polyamide reinforced with chopped carbon fibre (PA12-CF15) are also available - lightweight, black as standard, and in other colours to order.

Module 2.5 pinions with hub in several material versions

Module 2.5 gears with hub with a 20° profile, in several material versions. Dimensions are given on the product page.

Module 2.5 spur gears with hub - customer questions

When should I choose a hardened gear?

When the gear drive works under high load, with frequent starts or in dust. Hardened teeth wear more slowly, and the bore is machined the same way as in an unhardened gear.