
Original: $3.82
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$1.34The Story
| SIZE |
6.35 mm 1/4" |
| GRADE | G25 |
| MATERIAL | Stainless Steel |
| WEIGHT |
0.03601 ounces 1.021 g |
Additional Information
PGN’s Stainless Steel Balls are extremely precise, and smooth surface guarantees you won't find any defects, such as flats, pits, soft spots, and cuts.
Read More
1/4" AISI 440 Stainless Steel G25 Precision Bearing Ball
Introduction
PGN AISI 440 Stainless Steel Bearing Balls are designed for applications that require precision spherical components combined with the durability and stainless steel characteristics needed for demanding mechanical environments. With a 1/4 inch diameter and G25 precision grade, this bearing ball provides consistent geometry for assemblies where accurate contact and reliable movement are important.
Manufactured from AISI 440 stainless steel, this bearing ball offers the benefits associated with stainless steel materials, including corrosion-resistant properties and suitability for applications where exposure conditions require a more durable alternative to standard steel components. Its smooth spherical surface supports controlled interaction between mechanical parts.
The G25 precision grade makes this ball a suitable choice for precision-oriented applications where uniformity and dimensional consistency are required. From replacement components to custom-built mechanisms, this stainless steel bearing ball provides a versatile solution for engineers, manufacturers, and maintenance professionals.
Hero Product Snippet
AISI 440 stainless steel bearing ball with G25 precision grade, designed for precision mechanical assemblies, valves, pumps, and specialized applications requiring consistent spherical geometry and stainless steel performance.
Recommended Applications
- Precision bearing components
- Valve assemblies
- Pump mechanisms
- Mechanical positioning systems
- Custom engineering projects
- Specialized industrial equipment
AISI 440 Stainless Steel for Corrosion-Conscious Applications
AISI 440 stainless steel is commonly selected for mechanical components where stainless steel properties and durable performance are important considerations. This material makes the bearing ball suitable for applications that require improved resistance to environmental exposure compared with conventional carbon steel components.
The stainless steel construction provides a reliable option for compatible systems where material selection plays an important role in long-term component performance.
G25 Precision Grade for Accurate Spherical Geometry
The G25 precision grade represents a high level of consistency in spherical form and dimensional accuracy. This allows the bearing ball to perform effectively in applications where smooth contact, component uniformity, and controlled movement are required.
When properly specified for the equipment design, precision-grade bearing balls can contribute to more predictable mechanical operation.
Compact 1/4 Inch Size for Precision Assemblies
The 1/4 inch diameter offers a compact solution for mechanisms that require a smaller precision stainless steel sphere. This size can be integrated into a variety of assemblies where space efficiency and accurate component interaction are important.
Its standardized spherical shape allows compatibility with different mechanical designs, depending on application requirements and engineering specifications.
Smooth Surface for Reliable Mechanical Contact
Precision bearing balls feature carefully finished spherical surfaces designed for applications where smooth interaction between components is essential. Surface quality plays an important role in systems involving rolling contact, positioning, and mechanical movement.
The final performance of the component depends on the surrounding assembly, operating conditions, and proper application selection.
Versatile Component for Custom Industrial Solutions
Beyond traditional bearing applications, stainless steel bearing balls are commonly used as individual precision components in custom mechanisms, equipment assemblies, and replacement applications.
The combination of AISI 440 stainless steel, G25 precision, and compact spherical design makes this component a practical choice for engineers seeking reliable precision solutions.
Key Features
- AISI 440 stainless steel construction
- G25 precision grade for consistent spherical accuracy
- 1/4 inch diameter design
- Smooth polished surface
- Suitable for precision mechanical applications
- Designed for compatible bearings, valves, pumps, and custom assemblies
FAQ
What material is this bearing ball made from?
This bearing ball is made from AISI 440 stainless steel, a material commonly used in applications requiring stainless steel characteristics and durable mechanical performance.
What does G25 mean on a bearing ball?
G25 refers to the precision grade of the bearing ball, indicating a high level of spherical consistency and dimensional accuracy.
What are stainless steel bearing balls used for?
Stainless steel bearing balls may be used in applications such as precision bearings, valves, pumps, positioning mechanisms, and custom industrial assemblies.
Is AISI 440 stainless steel corrosion resistant?
AISI 440 stainless steel provides corrosion-resistant properties compared with standard carbon steel materials. Actual resistance depends on the application environment and operating conditions.
Can this bearing ball be used as a replacement part?
It may be suitable as a replacement component when the required diameter, material, precision grade, and application specifications match.
Does this product have a specified load rating?
Load performance depends on the complete system design, operating conditions, and engineering requirements. Compatibility should be validated before use in critical applications.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
| SIZE |
6.35 mm 1/4" |
| GRADE | G25 |
| MATERIAL | Stainless Steel |
| WEIGHT |
0.03601 ounces 1.021 g |
Additional Information
PGN’s Stainless Steel Balls are extremely precise, and smooth surface guarantees you won't find any defects, such as flats, pits, soft spots, and cuts.
Read More
1/4" AISI 440 Stainless Steel G25 Precision Bearing Ball
Introduction
PGN AISI 440 Stainless Steel Bearing Balls are designed for applications that require precision spherical components combined with the durability and stainless steel characteristics needed for demanding mechanical environments. With a 1/4 inch diameter and G25 precision grade, this bearing ball provides consistent geometry for assemblies where accurate contact and reliable movement are important.
Manufactured from AISI 440 stainless steel, this bearing ball offers the benefits associated with stainless steel materials, including corrosion-resistant properties and suitability for applications where exposure conditions require a more durable alternative to standard steel components. Its smooth spherical surface supports controlled interaction between mechanical parts.
The G25 precision grade makes this ball a suitable choice for precision-oriented applications where uniformity and dimensional consistency are required. From replacement components to custom-built mechanisms, this stainless steel bearing ball provides a versatile solution for engineers, manufacturers, and maintenance professionals.
Hero Product Snippet
AISI 440 stainless steel bearing ball with G25 precision grade, designed for precision mechanical assemblies, valves, pumps, and specialized applications requiring consistent spherical geometry and stainless steel performance.
Recommended Applications
- Precision bearing components
- Valve assemblies
- Pump mechanisms
- Mechanical positioning systems
- Custom engineering projects
- Specialized industrial equipment
AISI 440 Stainless Steel for Corrosion-Conscious Applications
AISI 440 stainless steel is commonly selected for mechanical components where stainless steel properties and durable performance are important considerations. This material makes the bearing ball suitable for applications that require improved resistance to environmental exposure compared with conventional carbon steel components.
The stainless steel construction provides a reliable option for compatible systems where material selection plays an important role in long-term component performance.
G25 Precision Grade for Accurate Spherical Geometry
The G25 precision grade represents a high level of consistency in spherical form and dimensional accuracy. This allows the bearing ball to perform effectively in applications where smooth contact, component uniformity, and controlled movement are required.
When properly specified for the equipment design, precision-grade bearing balls can contribute to more predictable mechanical operation.
Compact 1/4 Inch Size for Precision Assemblies
The 1/4 inch diameter offers a compact solution for mechanisms that require a smaller precision stainless steel sphere. This size can be integrated into a variety of assemblies where space efficiency and accurate component interaction are important.
Its standardized spherical shape allows compatibility with different mechanical designs, depending on application requirements and engineering specifications.
Smooth Surface for Reliable Mechanical Contact
Precision bearing balls feature carefully finished spherical surfaces designed for applications where smooth interaction between components is essential. Surface quality plays an important role in systems involving rolling contact, positioning, and mechanical movement.
The final performance of the component depends on the surrounding assembly, operating conditions, and proper application selection.
Versatile Component for Custom Industrial Solutions
Beyond traditional bearing applications, stainless steel bearing balls are commonly used as individual precision components in custom mechanisms, equipment assemblies, and replacement applications.
The combination of AISI 440 stainless steel, G25 precision, and compact spherical design makes this component a practical choice for engineers seeking reliable precision solutions.
Key Features
- AISI 440 stainless steel construction
- G25 precision grade for consistent spherical accuracy
- 1/4 inch diameter design
- Smooth polished surface
- Suitable for precision mechanical applications
- Designed for compatible bearings, valves, pumps, and custom assemblies
FAQ
What material is this bearing ball made from?
This bearing ball is made from AISI 440 stainless steel, a material commonly used in applications requiring stainless steel characteristics and durable mechanical performance.
What does G25 mean on a bearing ball?
G25 refers to the precision grade of the bearing ball, indicating a high level of spherical consistency and dimensional accuracy.
What are stainless steel bearing balls used for?
Stainless steel bearing balls may be used in applications such as precision bearings, valves, pumps, positioning mechanisms, and custom industrial assemblies.
Is AISI 440 stainless steel corrosion resistant?
AISI 440 stainless steel provides corrosion-resistant properties compared with standard carbon steel materials. Actual resistance depends on the application environment and operating conditions.
Can this bearing ball be used as a replacement part?
It may be suitable as a replacement component when the required diameter, material, precision grade, and application specifications match.
Does this product have a specified load rating?
Load performance depends on the complete system design, operating conditions, and engineering requirements. Compatibility should be validated before use in critical applications.



