Value Collection 20124 Chrome Steel Ball Grade 25

Product Description

The VALUE COLLECTION 20124 is a Grade 25 chrome steel precision ball measuring 25/32 inches in diameter. It is manufactured to tight dimensional tolerances, with a diameter deviation of 0.00005 inches and a sphericity of 0.000025 inches, making it suitable for applications requiring consistent rolling geometry and surface uniformity. The ball carries a Rockwell C hardness rating of 62 to 66 HRC, indicating high surface hardness appropriate for load-bearing and wear-resistant uses. These balls are commonly installed by machinists, maintenance technicians, and precision assembly professionals working in industrial and mechanical environments.

Grade 25 chrome steel balls are used across a wide range of mechanical assemblies including ball bearings, valves, check valve seats, linear motion systems, and precision measurement tooling. The 25/32-inch diameter fits standard bearing races and valve bodies designed for that nominal size. This grade and material combination suits both light-duty and moderate-load applications where dimensional accuracy and hardness are primary selection criteria. These balls ship in a package quantity of 25 units per order.

Key Features

• Grade 25 precision class with 0.00005 inch diameter deviation for tight dimensional control
• Sphericity of 0.000025 inches for consistent rolling contact and reduced vibration
• 62 to 66 HRC hardness for resistance to surface wear and deformation under load
• Chrome steel construction provides good corrosion resistance in dry and lightly lubricated environments
• 25/32 inch diameter fits standard races, seats, and bores machined to that nominal size
• Sold in a package quantity of 25 balls for small-batch replacement or assembly use

Compatibility

Designed as a standard replacement or assembly component for mechanical systems requiring a 25/32 inch diameter, Grade 25 chrome steel precision ball, including ball bearings, valve assemblies, and linear motion components sized to that nominal diameter.

Installation Notes

Installation is typically performed by machinists or mechanical assembly technicians. Before servicing any bearing or valve assembly, de-energize the equipment and relieve any system pressure per standard lockout/tagout procedures. Handle precision balls with clean, dry gloves or lint-free cloth to prevent surface contamination that can affect seating and rolling performance. Verify that the receiving bore or race is clean and free of debris before installation.