Spur gear module 5 z=42 with hub
Available product promotions:
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Weight12,2kg
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UPC Code5908453538093
Product Description
Spur gear module 5, z=42, with hub
Gear module 5, z=42, with hub - a robust component for building and repairing gear transmissions, reducers and rack drives (gear rack + gear). The base material is C45E structural steel (EN 10083-1) - a proven choice for gear transmission components used in Polish industry.
Technical data
| Module (m) | 5 |
| Pressure angle | 20° |
| Number of teeth (z) | 42 |
| Type | Gear with hub |
| Outside diameter (De) | 220 mm |
| Pitch diameter (Dp) | 210 mm |
| Hub outer diameter (d) | 120 mm |
| Pilot bore diameter (D) | 25 mm |
| Tooth width (h) | 50 mm |
| Overall hub height (A) | 75 mm |
| Weight | 12.2 kg |
| Material | C45E steel (UNI EN 10083-1) |
Frequently asked questions
How can wear of the gears in a module gearbox be diagnosed?
Wear is easiest to spot from a change in the tooth profile - it becomes sharp at the tip, and the backlash increases dramatically, which shows up as loud knocking when the machine changes its direction of rotation.
Does a higher number of teeth (z) with the same module mean a stronger gear?
Not directly - tooth strength depends mainly on the module and face width, not on the number of teeth; a larger z with the same module simply gives a larger gear diameter and a higher ratio relative to the mating gear.
How do you choose a gear rack to match a specific module gear?
The principle is the same as when selecting two gears - the rack must have the same module as the drive gear. Remember to choose the right rack width, which should be equal to or slightly wider than the face width of the gear, in order to transmit the full torque.
How should gears be stored correctly before installation?
Preferably in a dry room, protected against moisture and dust, with a light layer of preservative oil on the teeth and bore - especially important for C45E carbon steel, which can start to corrode without protection.
Where is this product used?
Used in the construction and servicing of gear reducers and gear transmissions for agricultural and construction machinery, and wherever precise and repeatable torque transmission matters.
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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Weight12,2kg
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UPC Code5908453538093