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RS PRO Polyoxymethylene 25 Teeth Spur Gear, 0.5 Module, 4mm Bore Diameter, 12.5mm Pitch Diameter, 8mm Hub Diameter 521-7045
Specifications
| Country of Origin | United States |
|---|---|
| Brand | RS PRO |
| Material | Polyoxymethylene |
| Model | 521-7045 |
| Series | RS PRO |
| Number of Teeth | 25 |
| Bore Diameter | 4mm |
| Pitch Diameter | 12.5mm |
| Face Width | 3mm |
| Hub Diameter | 8mm |
| Module | 0.5 |
| Pressure Angle | 20° |
Key Features
- Manufactured from durable injection-moulded acetal copolymer with excellent wear resistance.
- Designed with 25 teeth and 0.5 module for accurate gear engagement.
- Features a 4mm bore diameter suitable for various shaft sizes.
- Pitch diameter measures 12.5mm with an 8mm hub diameter ensuring robust mounting.
- Has a face width of 3mm and a 20° pressure angle for optimal torque transmission.
- Ideal for use in machine tools, transmissions, and speed reduction applications.
- Polyoxymethylene material provides low friction and high tensile strength for reliability.
- Produced by RS PRO, a trusted brand in industrial power transmission components.
Product Description
RS PRO 521-7045 Polyoxymethylene 25 Teeth Spur Gear, 0.5 Module, 4mm Bore Diameter, 12.5mm Pitch Diameter, and 8mm Hub Diameter, with 3mm Face Width and 20° Pressure Angle, is engineered to deliver reliable performance in industrial power transmission systems.
This spur gear is injection-moulded from acetal copolymer (Polyoxymethylene), known for its excellent strength, wear resistance, and low friction characteristics, making it well-suited for demanding environments.
With a precise module of 0.5 and 25 teeth, it provides accurate speed reduction or torque increase capabilities in rotating machinery components. The gear's 4mm bore diameter allows compatibility with diverse shaft sizes, while the 12.5mm pitch diameter and 8mm hub diameter ensure secure mounting and efficient power transfer.
The 3mm face width and 20° pressure angle optimize the gear's contact and load distribution, contributing to longevity and smooth operation under varying mechanical loads.
Polyoxymethylene gears like this are widely used in machine tools, transmission systems, and other industrial equipment where high tensile strength (94 N/mm²) and hardness (Rockwell R 110-120) are essential for operational durability.
Produced by RS PRO, a globally recognized brand, this gear meets high-quality manufacturing standards and is made in the United States, assuring reliability and consistency. Manufactured from injection-moulded Polyoxymethylene for strength and durability.
25 teeth with a 0.5 module for precise gear meshing. 4mm bore diameter fits standard shafts. 12.5mm pitch diameter and 8mm hub diameter for secure mounting. 3mm face width and 20° pressure angle for optimal load distribution.
Ideal for machine tools, transmissions, and speed reduction tasks. Offers excellent wear resistance and low friction properties. High tensile strength and hardness ratings support heavy-duty use.
This RS PRO spur gear is suited for industrial, manufacturing, and mechanical engineering applications where precise and reliable power transmission is required. Explore similar power transmission components and gears within EnvMart’s industrial tools and mechanical machinery categories for complementary solutions.
Explore more products in our Mechanical Power Transmission category.
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Frequently Asked Questions
The bore diameter of this spur gear is 4mm, allowing compatibility with various shaft sizes.
This model features 25 teeth, providing accurate gear engagement for efficient power transmission.
The spur gear has a pressure angle of 20°, which optimizes load distribution and contact between gears.
It is manufactured from polyoxymethylene, known for its excellent wear resistance and low friction properties.
The pitch diameter measures 12.5mm, and the hub diameter is 8mm, ensuring secure mounting in applications.
The face width of this spur gear is 3mm, which contributes to its load-bearing capacity.
This gear is ideal for use in machine tools, transmission systems, and speed reduction applications.
The gear has a module of 0.5, which is essential for determining the size and spacing of the teeth.
This spur gear is manufactured in the United States, ensuring adherence to high-quality standards.
The polyoxymethylene used in this gear has a hardness rating of Rockwell R 110-120, indicating its strength.
The material has a tensile strength of 94 N/mm², making it suitable for demanding applications.
This spur gear is part of the RS PRO series, known for reliable industrial power transmission components.
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