Spur gear module 6 z=40 with hub
Available product promotions:
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Weight16kg
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UPC Code5908453538307
Product Description
Spur gear module 6, z=40, with hub
This module 6 spur gear (40 teeth, with hub) is used wherever reliable, maintenance-free power transmission via involute gearing is required. The standard material is C45E steel (UNI EN 10083-1), widely used in the construction of gear transmissions, gear racks and module drives.
Technical data
| Module (m) | 6 |
| Pressure angle | 20° |
| Number of teeth (z) | 40 |
| Type | Gear with hub |
| Outside diameter (De) | 252 mm |
| Pitch diameter (Dp) | 240 mm |
| Hub outer diameter (d) | 120 mm |
| Pilot bore diameter (D) | 25 mm |
| Tooth width (h) | 60 mm |
| Overall hub height (A) | 80 mm |
| Weight | 16 kg |
| Material | C45E steel (UNI EN 10083-1) |
Frequently asked questions
Are the gear wheels for sliding gates also module gears?
Yes, the classic gate drive gear is a module gear working with a gear rack fixed to the gate leaf. This is usually module 4 (m=4), and for intensive commercial use precision-machined components are chosen that run quietly and without jamming.
How do you set the correct centre distance between two module gears?
The centre distance is the sum of the pitch diameters of both gears divided by two (a = (Dp1+Dp2)/2); too small a distance causes seizing, and too large a distance - excessive backlash and loss of quiet running.
How does the operating temperature affect the choice of material for a module gear?
At high temperatures, C45E steel retains its properties much better than plastics, which can soften and lose tooth profile accuracy; in such cases steel (including stainless steel if moisture or steam is also present) is the safer choice.
What lubrication is optimal for open module (rack) gear drives?
For open systems (gear + gear rack), it is best to use thick greases with added graphite or copper, which adhere firmly to the teeth and are not flung off by centrifugal force. In very dusty applications, dry Teflon lubricants perform better.
Where is this product used?
Module gears of this type are used in speed reducers, machine gearboxes, CNC machine tools and in rack drives of sliding and entrance gates.
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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Weight16kg
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UPC Code5908453538307