

100-Pack 1/4"inch Bearing Balls G40 - 0.25" Diameter - Carbon Steel
UPC: 00193019036075
Size: 1/4" = 0.25" inch
Size: 1/4" = 6.35mm
Material: Carbon Steel
Quality: G40
100-Pack Carbon Steel Bearing Balls - G40 Grade
✔️ 1/4" Diameter - 0.25" Inch Precision Loose Balls
This is a pack of 100 loose carbon steel bearing balls, each measuring 1/4" in diameter. These G40-grade balls are commonly used in bike hubs, tools, drawer slides, and general mechanical assemblies where consistent size and solid strength matter.
✅ Diameter: 1/4" (0.25") = 6.35mm
✅ Made from durable carbon steel
✅ G40 precision grade
✅ Clean finish for smooth rolling
✅ Pack includes 100 bearing balls
Dimensions Table:
Diameter (inch) | Diameter (mm) | Grade |
---|---|---|
1/4" (0.25") | 6.35mm | G40 |
💡 What is the G40 grade on bearing balls and why does it matter?
Grade numbers define the roundness and precision of the ball.
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Lower numbers = higher precision (G40 is good general-purpose)
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Ensures even load distribution in bearing races
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Reduces friction and vibration in moving parts
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Great for replacement parts or DIY builds
If you need a clean, strong batch of precision balls, this 100-pack is the easy fix. Add it to your cart and get your project rolling right.