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SKF Needle Roller Bearing Cylindrical Bore 17 mm ID 30 mm OD 13 mm Width 20000 rpm Limiting Speed NA 4903
Specifications
| Country of Origin | Slovakia |
|---|---|
| Brand | SKF |
| Model | NA 4903 |
| Series | NA 4903 |
| Outside diameter | 30mm |
| Inside Diameter | 17mm |
| Number of Rows | 1 |
| Limiting Speed | 20000rpm |
| End Type | Shielded |
| Bore Type | Cylindrical |
| Cage Material | Sheet Metal |
| Race Width | 13mm |
| Static Load Rating | 16.3kN |
| Dynamic Load Rating | 11.4kN |
Key Features
- Constructed from steel with a sheet metal cage for enhanced durability.
- Features a single row cylindrical bore design for space efficiency.
- Has a race width of 13 mm suitable for precise fittings.
- Capable of operating at limiting speeds up to 20000 rpm.
- Dynamic load rating of 11.4 kN supports heavy operational demands.
- Shielded end type protects the bearing during use.
- Designed for applications requiring compact dimensions and high-load capacity.
- Commonly used in mechanical assemblies with restricted space and high-speed rotational systems.
Product Description
SKF NA 4903 needle roller bearing is designed for high-performance industrial use, featuring a cylindrical bore with a 17 mm inside diameter and 30 mm outside diameter. This model offers a 13 mm race width and is made primarily of steel with a durable sheet metal cage to ensure longevity and reliability in demanding environments.
This bearing supports speeds up to 20000 rpm, making it suitable for applications requiring fast rotational motion. It has a dynamic load rating of 11.4 kN and a static load rating of 16.3 kN, enabling it to handle heavy loads effectively. The shielded end type enhances protection against contaminants, improving bearing life and performance.
Its compact single-row design allows it to be utilized in machinery with limited space, making it ideal for precision equipment and electrical devices with high-speed operational requirements. The robust construction and low friction features contribute to system efficiency and durability.
Typical applications include precision machinery, mechanical assemblies with spatial constraints, and environments needing robust load handling and high-speed rotation. The bearing is suitable across various industries such as manufacturing, construction, and automotive engineering.
Constructed from steel with a sheet metal cage for enhanced durability. Features a single row cylindrical bore design for space efficiency. Race width of 13 mm for precise mechanical fitments. Capable of high-speed rotation up to 20000 rpm.
Dynamic load rating of 11.4 kN meets heavy-duty requirements. Shielded end type provides protection against contaminants. Compact design ideal for limited-space applications. Low friction design improves overall system efficiency.
This SKF NA 4903 needle Roller Bearing exemplifies quality engineering and is well-suited for demanding industrial, manufacturing, and mechanical uses where space and load capacity are critical factors. Explore more on EnvMart for a wide selection of industrial bearings and mechanical components.
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Frequently Asked Questions
This model has an inside diameter of 17 mm, an outside diameter of 30 mm, and a race width of 13 mm.
The SKF NA 4903 bearing is capable of operating at limiting speeds up to 20000 rpm.
It has a dynamic load rating of 11.4 kN, allowing it to support heavy operational demands.
The bearing is constructed with a sheet metal cage, which enhances its durability.
The static load rating of this bearing is 16.3 kN.
It is commonly used in precision machinery and mechanical assemblies with restricted space and high-speed rotational systems.
The SKF NA 4903 features a shielded end type, which protects the bearing from contaminants during use.
This bearing has a single row design, which contributes to its compact dimensions.
It is primarily made from steel, providing strength and durability for industrial applications.
The country of origin for this bearing is Slovakia.
This model features a cylindrical bore type, which is designed for space efficiency.
It is suitable for various industries including manufacturing, construction, and automotive engineering.
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