Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm
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Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mmStainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm

Stainless Steel Ball Bearings Bikes Replacement Bicycle Bearings 0.5mm - 85mm

HomeDIYer
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By HomeDIYer®

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$2.79 USD
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In stock (500 units), ready to be shipped

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Description

Stainless Steel Bicycle Ball Bearings — Precision Replacement Parts for Smooth, Reliable Rides

When a worn or pitted bearing turns a smooth pedal stroke into a grinding ordeal, finding the exact replacement diameter quickly matters. Cyclists, mechanics, and workshop technicians who maintain road bikes, mountain bikes, BMX, and cargo bikes rely on dimensionally accurate, corrosion-resistant balls to restore hub, headset, and bottom bracket performance without replacing entire assemblies.

These stainless steel ball bearings are manufactured to close spherical tolerances and are available in diameters ranging from 0.5 mm (approximately 0.020 in) up to 85 mm (approximately 3.35 in), covering the full spectrum of standard bicycle bearing seats. Pack sizes from 1 piece to 4,000 pieces accommodate single-bearing repairs as well as workshop bulk stock.

Typical applications include front and rear hub bearing replacement for road and gravel bikes, headset cup repacking for mountain bikes, bottom bracket cartridge servicing, and BMX axle bearing maintenance — all scenarios where matching the original ball diameter is critical to achieving correct preload and eliminating play.

🔧 Compatible with standard bicycle hubs, headsets, and bottom brackets that accept loose or caged ball bearings. Verify your bearing seat diameter before ordering.

✅ Key Features of These Stainless Steel Bicycle Ball Bearings

  • Wide Diameter Range: Available from 0.5 mm to 85 mm to match virtually any bicycle bearing position without custom sourcing.
  • Stainless Steel Construction: Grade 304-equivalent stainless alloy resists rust and surface oxidation in wet riding conditions and during routine cleaning.
  • Close Spherical Tolerance: Consistent roundness reduces vibration, minimises heat generation, and extends service intervals compared to loose-tolerance alternatives.
  • Flexible Pack Sizes: Order 1, 2, 5, 10, 20, 25, 50, 100, 1,000, 2,000, 3,000, or 4,000 pieces — sized for single repairs or full workshop restocking.
  • Drop-In Replacement: Dimensionally matched to ISO and JIS bicycle bearing standards; fits loose-ball retainer cages and open bearing cups without modification.
  • Smooth Surface Finish: Polished ball surface reduces friction against bearing races, supporting consistent rolling resistance across the full diameter range.

📐 Technical Specifications — Stainless Steel Ball Bearings

Material Stainless Steel
Diameter Range 0.5 mm – 85 mm (approx. 0.020 in – 3.35 in)
Available Diameters See variant options
Pack Sizes 1, 2, 5, 10, 20, 25, 50, 100, 1,000, 2,000, 3,000, 4,000 pcs
Surface Finish Polished
Corrosion Resistance Stainless steel — suitable for wet environments
Bearing Type Loose ball (uncaged)
Typical Applications Bicycle hubs, headsets, bottom brackets, BMX axles
Weight per Piece See variant options

❓ Frequently Asked Questions

How do I find the correct ball bearing diameter for my bicycle hub?

Remove the existing bearings from the hub cup and measure the diameter of a single ball with a digital calliper. Match that measurement to the diameter listed in the variant selector. If the hub uses a retainer cage, the cage will also indicate the ball size — typically stamped or printed on the cage ring. When in doubt, contact us to confirm before ordering.

Are these bearings suitable for wet or muddy riding conditions?

Yes. The stainless steel alloy used in these bearings resists surface oxidation and rust when exposed to water, mud, and light cleaning agents. For extended wet-weather use, we recommend repacking the bearing cup with a water-resistant grease after installation to further protect the bearing surfaces and races.

What is the difference between loose ball bearings and sealed cartridge bearings?

Loose ball bearings sit directly in a greased cup-and-cone or open race assembly and can be individually replaced when worn. Sealed cartridge bearings are pre-assembled units with integrated seals and are replaced as a complete unit. These stainless steel balls are intended for cup-and-cone or open-race hubs that accept loose balls, not for press-fit cartridge bearing systems.

How many ball bearings do I need for a typical front or rear hub?

The number varies by hub model and ball diameter. A standard front hub typically uses 10–11 balls per side (20–22 total), while a rear hub may use 9–11 balls per side depending on the axle design. Consult your hub manufacturer's specification or count the existing balls before ordering. Selecting a multi-piece pack size ensures you have spares for both sides.

Can I use these bearings for headset or bottom bracket servicing?

Yes, provided the diameter matches the bearing seat in your headset cup or bottom bracket shell. Threaded bottom brackets and traditional cup-and-cone headsets commonly use loose balls in the 3 mm – 6.35 mm range. Measure the existing balls or refer to your component manufacturer's service documentation to confirm the correct size before ordering.

Do larger diameter balls require a different grease or installation method?

The installation method is the same regardless of ball diameter: clean the bearing cup, apply a layer of bicycle-grade grease, seat the balls evenly around the cup, and reassemble the cone or race. Larger balls (above 20 mm) are typically used in specialised or heavy-duty applications rather than standard bicycle hubs; if you are unsure of the application, contact us to confirm compatibility before ordering.

🛒 Select your Diameter and Pack Size above, then add to cart.

 

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