
The Story
| SIZE |
9.525 mm 3/8" |
| GRADE | G25 |
| MATERIAL | Stainless Steel |
| WEIGHT |
0.12529 ounces 3.5519 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
3/8" AISI 440 Stainless Steel Bearing Ball G25 Precision
Introduction
The 3/8" AISI 440 Stainless Steel Bearing Ball G25 Precision is engineered for applications requiring high precision, excellent wear resistance, and improved corrosion resistance compared to carbon steel and standard chrome steel alternatives. Manufactured from AISI 440 stainless steel and produced to G25 precision grade, this precision ball combines high hardness, refined surface finish, and reliable dimensional consistency for demanding mechanical applications. Wikipedia
Measuring 3/8" (9.525 mm) in diameter, this stainless steel ball is commonly used in specialty bearings, industrial valves, pumps, instrumentation equipment, and precision mechanical assemblies where durability and corrosion resistance are essential. AISI 440 stainless steel is widely selected for applications requiring higher hardness and mechanical performance. Wikipedia
Manufactured under strict quality standards, the PGN Bearings AISI 440 G25 Precision Ball delivers dependable dimensional accuracy, consistent surface finish, and reliable performance across industrial and technical applications. Wikipedia
Hero Product Snippet
Designed for precision industrial applications, the PGN 3/8" AISI 440 Stainless Steel G25 Precision Ball delivers high hardness, excellent wear resistance, and dependable corrosion-resistant performance.
Recommended Applications
- Specialty bearings
- Industrial valves
- Pumps
- Instrumentation equipment
- Precision mechanical assemblies
- Industrial systems
- Moisture-exposed applications
- High-performance components
AISI 440 Stainless Steel Construction
AISI 440 stainless steel is known for its high hardness and wear resistance, making it suitable for mechanical components requiring durability and reliable performance.
G25 Precision Grade
Manufactured to G25 precision grade, this ball provides excellent dimensional control and refined surface quality for consistent mechanical operation.
Outstanding Wear Resistance
The high hardness of AISI 440 stainless steel helps minimize wear caused by repeated mechanical contact, improving component durability in demanding applications.
Corrosion-Resistant Performance
Its stainless steel construction provides improved resistance to oxidation compared with non-stainless materials, making it suitable for applications exposed to moisture and challenging environments.
Trusted PGN Bearings Quality
Every PGN precision ball is manufactured under strict quality control procedures to ensure consistent dimensions, reliable finish, and dependable industrial performance.
Key Features
- 3/8" (9.525 mm) diameter
- AISI 440 stainless steel
- G25 precision grade
- High hardness
- Excellent wear resistance
- Improved corrosion resistance
- Reliable dimensional consistency
- Refined surface finish
- Designed for industrial applications
- PGN Bearings quality
FAQ
What is AISI 440 stainless steel?
AISI 440 is a stainless steel family known for high hardness, wear resistance, and corrosion-resistant performance in mechanical applications. Wikipedia
What does G25 mean?
G25 identifies the precision grade of the ball, indicating tighter dimensional control and improved surface quality. Wikipedia
What is the ball diameter?
The ball measures 3/8" (9.525 mm) in diameter.
Where is this ball commonly used?
It is commonly used in specialty bearings, valves, pumps, instrumentation equipment, and precision mechanical assemblies.
Is AISI 440 wear resistant?
Yes. Its high hardness makes it suitable for applications involving repeated mechanical contact.
What is the main advantage of this ball?
It combines high hardness, precision manufacturing, and corrosion resistance for demanding industrial 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 |
9.525 mm 3/8" |
| GRADE | G25 |
| MATERIAL | Stainless Steel |
| WEIGHT |
0.12529 ounces 3.5519 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
3/8" AISI 440 Stainless Steel Bearing Ball G25 Precision
Introduction
The 3/8" AISI 440 Stainless Steel Bearing Ball G25 Precision is engineered for applications requiring high precision, excellent wear resistance, and improved corrosion resistance compared to carbon steel and standard chrome steel alternatives. Manufactured from AISI 440 stainless steel and produced to G25 precision grade, this precision ball combines high hardness, refined surface finish, and reliable dimensional consistency for demanding mechanical applications. Wikipedia
Measuring 3/8" (9.525 mm) in diameter, this stainless steel ball is commonly used in specialty bearings, industrial valves, pumps, instrumentation equipment, and precision mechanical assemblies where durability and corrosion resistance are essential. AISI 440 stainless steel is widely selected for applications requiring higher hardness and mechanical performance. Wikipedia
Manufactured under strict quality standards, the PGN Bearings AISI 440 G25 Precision Ball delivers dependable dimensional accuracy, consistent surface finish, and reliable performance across industrial and technical applications. Wikipedia
Hero Product Snippet
Designed for precision industrial applications, the PGN 3/8" AISI 440 Stainless Steel G25 Precision Ball delivers high hardness, excellent wear resistance, and dependable corrosion-resistant performance.
Recommended Applications
- Specialty bearings
- Industrial valves
- Pumps
- Instrumentation equipment
- Precision mechanical assemblies
- Industrial systems
- Moisture-exposed applications
- High-performance components
AISI 440 Stainless Steel Construction
AISI 440 stainless steel is known for its high hardness and wear resistance, making it suitable for mechanical components requiring durability and reliable performance.
G25 Precision Grade
Manufactured to G25 precision grade, this ball provides excellent dimensional control and refined surface quality for consistent mechanical operation.
Outstanding Wear Resistance
The high hardness of AISI 440 stainless steel helps minimize wear caused by repeated mechanical contact, improving component durability in demanding applications.
Corrosion-Resistant Performance
Its stainless steel construction provides improved resistance to oxidation compared with non-stainless materials, making it suitable for applications exposed to moisture and challenging environments.
Trusted PGN Bearings Quality
Every PGN precision ball is manufactured under strict quality control procedures to ensure consistent dimensions, reliable finish, and dependable industrial performance.
Key Features
- 3/8" (9.525 mm) diameter
- AISI 440 stainless steel
- G25 precision grade
- High hardness
- Excellent wear resistance
- Improved corrosion resistance
- Reliable dimensional consistency
- Refined surface finish
- Designed for industrial applications
- PGN Bearings quality
FAQ
What is AISI 440 stainless steel?
AISI 440 is a stainless steel family known for high hardness, wear resistance, and corrosion-resistant performance in mechanical applications. Wikipedia
What does G25 mean?
G25 identifies the precision grade of the ball, indicating tighter dimensional control and improved surface quality. Wikipedia
What is the ball diameter?
The ball measures 3/8" (9.525 mm) in diameter.
Where is this ball commonly used?
It is commonly used in specialty bearings, valves, pumps, instrumentation equipment, and precision mechanical assemblies.
Is AISI 440 wear resistant?
Yes. Its high hardness makes it suitable for applications involving repeated mechanical contact.
What is the main advantage of this ball?
It combines high hardness, precision manufacturing, and corrosion resistance for demanding industrial applications.



