Spur gear module 2.5 z=28 with hub
Available product promotions:
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Weight0,91kg
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UPC Code5908453536297
Product Description
Spur gear module 2.5, z=28, with hub
The spur gear module 2.5 with z=28 teeth (with hub) is a universal modular component whose parameters match the entire family of gears and gear racks of the same module. The base material is C45E structural steel (EN 10083-1) - a proven choice for gear transmission parts operating in European industry.
Technical data
| Module (m) | 2.5 |
| Pressure angle | 20° |
| Number of teeth (z) | 28 |
| Type | Gear with hub |
| Outside diameter (De) | 75 mm |
| Pitch diameter (Dp) | 70 mm |
| Hub outer diameter (d) | 50 mm |
| Pilot bore diameter (D) | 14 mm |
| Tooth width (h) | 25 mm |
| Overall hub height (A) | 40 mm |
| Weight | 0.91 kg |
| Material | C45E steel (UNI EN 10083-1) |
Frequently asked questions
Can I buy ready-made modules with drilled mounting holes at ozdowski.pl?
As standard, we supply gears and racks with a smaller pilot bore, which gives you complete freedom in adapting them to your design. You can drill the holes yourself, tap them for set screws, or send us the parameters so that our CNC department can carry out the finished modifications.
Can a module gear be painted or lacquered?
Yes, the external surfaces (sides, circumference) can be protected with lacquer, but the teeth and the mounting bore should remain clean, because the coating would change their actual dimensions and disrupt meshing with the other gear.
Can gears with different modules be combined in one gearbox?
Absolutely not. Teeth of different modules differ in size and pitch. Any attempt to mesh them will end in the drive jamming or the teeth breaking off immediately on the first revolution of the shaft.
How do you calculate the ratio of a gear pair of two module gears with different numbers of teeth?
The ratio is calculated as the quotient of the number of teeth of the driven gear to that of the driving gear (i = Z2/Z1); the module must be identical for both gears, otherwise meshing will not work at all.
Where is this product used?
Typical applications include conveyor drives, packaging machines, industrial automation and positioning systems using a gear and gear rack pair.
When placing your order, please check the current stock level of this gear - the lead time depends on it and is clearly stated according to the quantity available in the given warehouse.
Product photos are for illustrative purposes only.
Product Features
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Weight0,91kg
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UPC Code5908453536297