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BC Precision

BC Precision (100 Pack) 1/4" Inch Chrome Steel Bearing Balls G25

  • Based on 296 reviews
Condition: New
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Availability: In Stock.
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Arrives Oct 9 – Oct 10
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Features

  • Pack of 100 1/4" (.25 Inch) Bearing Balls
  • Finest Quality AISI 52100 Chrome Steel
  • High Precision Grade G25

Description

1/4” chrome bearing balls G25 (Grade 25) are precision-engineered components made from hardened chrome steel, known for their strength, durability, and resistance to wear. These smaller-diameter balls are versatile and widely used in a variety of applications requiring high precision and excellent load-bearing properties. Here are some typical uses: 1. Bearings and Mechanical Systems 2. Automotive and Transportation 3. Recreational and Sporting Equipment Bicycles: Found in wheel hubs, headsets, and bottom brackets for efficient rotation and longevity. 4. Industrial and Manufacturing Applications 5. DIY and Hobby Projects 6. Scientific and Lab Equipment Key Features: These versatile 1/4” chrome bearing balls are essential in applications where precision, strength, and durability are critical, particularly in small-scale or high-accuracy environments.

Brand: BC Precision


Material: Alloy Steel


Item dimensions L x W x H: 0.25 x 0.25 x 0.25 inches


Item Weight: 1.05 g


Bearing Number: 100


Brand Name: BC Precision


Bearing Number: 100


Bearing Type: Ball Bearing


UPC: 609788946694


Global Trade Identification Number: 94


Item Highlight: AISI 52100 Precision Hardened Steel Balls for Bearings & Industrial Applications


Number of Items: 100


Part Number: CH1088


Unit Count: 100 Count


Manufacturer: BC Precision


Model: CH1088


Item Dimensions: 0.25 x 0.25 x 0.25 inches


Item Weight: 1.05 g


Item Thickness: 0.25 inches


Outside Diameter: 0.25 inches


Material Type: Alloy Steel


Compatible Lubricant: Mineral oil or grease


Specification Met: Aisi 52100


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Oct 9 – Oct 10

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Perfect!
Used for airbrush paint bottles, works great for helping to mix the paint completely.
Reviewed in the United States on July 4, 2026 by Darrell P.
    • More uses than just bearings.
I used the for a different purpose, as weights in a waterwheel clock where the balls provide the force to run the clock. They are perfect.
Reviewed in the United States on July 8, 2026 by Mr. Big
    • Great Bearings for Rebuilding Bicycle Hubs
These bearings appear to be well-made with consistent size. I use them for overhauing hubs on bicycle wheels. I cycle quite a bit and own several bicycles, so buying quality bearings in bulk for a good price is king.
Reviewed in the United States on August 14, 2023 by kratebiker
    • Replaced Bottom-Bracket Bearings on Bicycle
The bottom bracket of my bicycle had 9 caged bearings on each side. The bearings on the non-drive side failed. I used these bearings to replace the caged bearings on both sides of the bottom bracket. Per RJ The Bike Guy's youtube video, I replaced the 9 caged bearings on each side with 11 non-caged bearings. Since making this repair, I've ridden several hundred miles with no problem. Recommended. Would buy again. ... show more
Reviewed in the United States on June 9, 2025 by Joel P.
    • LGTM
Review Image by Felix
bought these bearings after discovering that two parts of my bicycle use this size (and the balls in one of them weren't that shiny), but i'd postponed getting this bicycle into service so many times, i didn't wait for them to arrive. so this review is based on cursory inspection. i assume these are dimensionally accurate, because i don't have a way of measuring anything that precisely. on the other hand, i can count and see that i got an extra one. so if drop one and it rolls under something heavy, i can let it make a home there :-) four stars instead of five so this review appears alongside the one complaining about getting 98 instead of 100. i doubt this packaging issue reflects a neglect of quality control, but it's an issue. ... show more
Reviewed in the United States on June 18, 2023 by Felix
    • Appear to be excellent bearings
Bearings are precise size and finish. I've installed them on garage door main bearings with relatively high load and imperfect maintenance. We'll see how they endure
Reviewed in the United States on March 26, 2026 by Rob S.
    • Perfect Size and Surface Finish
Perfect Fit. I bought these to replace some old bearing in my Fatbiie hub (Mongoose Dolomite) they were uniform without surface blemishes. 100% would buy other sizes as needed.
Reviewed in the United States on January 4, 2026 by Daniel R.
    • Just right
I received exactly what I ordered.
Reviewed in the United States on January 9, 2026 by featherjackfromMaine

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