AKN Precision Steel Ball 28mm G28 - RB 28MM/G28

Product Description

This is a high-quality RB 28MM/G28 precision steel ball from AKN, a leading manufacturer of bearing components. With a diameter of 28mm and a precision grade of G28, this ball is engineered for applications requiring exceptional hardness, wear resistance, and dimensional accuracy. It is supplied new in its original sealed packaging, ensuring it meets factory specifications.

Specifications

• Manufacturer: AKN
• Part Number: RB 28MM/G28
• Product Type: Precision Steel Ball
• Diameter: 28 mm
• Grade: G28 (according to ISO 3290-1)
• Material: Hardened Steel (typically Chrome Steel)

Label Information

• Model: RB 28MM/G28
• Quantity: 1 piece
• Tolerance: +/- 0 um
• Batch Code: G041

Application

Ideal for use in precision ball bearings, ball screws, linear motion guides, automotive components, and various industrial machines where smooth and accurate movement is critical.

Country of Origin

Manufactured by AKN in Germany.

CO2 Impact

By purchasing this component, you are contributing to the circular economy. This choice avoids the emission of approximately 0.18 kg of CO2 that would be generated in the production of a new part, which is equivalent to charging a smartphone more than 21 times.

Availability

This item is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

Frequently Asked Questions

Question?
What does the 'G28' grade signify for this steel ball?

Answer: 'G28' refers to the precision grade of the ball as defined by standards like ISO 3290-1. It dictates very tight tolerances for diameter, sphericity, and surface roughness. A lower grade number indicates higher precision, making G28 suitable for high-performance industrial and automotive applications.

Question?
What material is this ball typically made from and what are its properties?

Answer: Balls of this type are typically made from high-carbon chromium bearing steel (like 100Cr6 or AISI 52100). This material offers high hardness, excellent wear resistance, and good load-carrying capacity after heat treatment, making it ideal for rolling bearing applications.

Question?
Can this ball be used in high-temperature applications?

Answer: Standard chrome steel balls are generally stable up to about 120 deg C (250 deg F). For higher temperature applications, balls made from different materials, such as stainless steel (e.g., AISI 440C) or ceramic, would be required.

Last Update: Friday, March 13, 2026

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