Spur gear module 2 z=51 with hub
Available product promotions:
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Weight1,66kg
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UPC Code5908453535764
Product Description
Spur gear module 2, z=51, with hub
The module 2 spur gear z=51 with hub is a precision gear transmission component designed to transmit high torques at a constant ratio. Made of C45E steel (UNI/EN 10083-1), which ensures high mechanical strength and wear resistance during prolonged operation under load.
Technical data
| Module (m) | 2 |
| Pressure angle | 20° |
| Number of teeth (z) | 51 |
| Type | Gear with hub |
| Outside diameter (De) | 106 mm |
| Pitch diameter (Dp) | 102 mm |
| Hub outer diameter (d) | 70 mm |
| Pilot bore diameter (D) | 20 mm |
| Tooth width (h) | 20 mm |
| Overall hub height (A) | 35 mm |
| Weight | 1.66 kg |
| Material | C45E steel (UNI EN 10083-1) |
Frequently asked questions
How do you mount a module gear using clamping rings?
These rings are slid between the plain shaft and the plain bore of the gear. When the screws are tightened, the ring expands and locks the gear with a force many times greater than a traditional key. This is the ideal solution for module gears operating with changing direction of rotation (no backlash at the key).
Does the tooth shape of a module gear affect smooth running?
Yes, the ideal involute profile achieved through precise machining ensures uniform power transmission. This prevents jerking that could lead to teeth breaking off under load.
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.
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.
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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Weight1,66kg
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UPC Code5908453535764