Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200
Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200
Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200
Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200
Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200
Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200
Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200
Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200
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Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200

Stainless Steel Ball Bearings Diameter 30 32 35 38 40 42 45 50 55 60mm Grade 200

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Beschreibung

Stainless Steel Ball Bearings — Precision Grade 200 for Demanding Mechanical Applications

When a worn or undersized bearing causes wobble, noise, or premature failure in a shaft assembly, the fix starts with selecting the right replacement. Hobbyists rebuilding equipment, maintenance technicians servicing industrial machinery, and engineers prototyping motion systems all share the same need: a dimensionally accurate, corrosion-resistant stainless steel ball bearing they can rely on.

These stainless steel ball bearings are manufactured to Grade 200 tolerances and are available in ten diameters — 30mm (~1.18"), 32mm (~1.26"), 35mm (~1.38"), 38mm (~1.50"), 40mm (~1.57"), 42mm (~1.65"), 45mm (~1.77"), 50mm (~1.97"), 55mm (~2.17"), and 60mm (~2.36"). Each ball is a solid sphere with a smooth, precision-ground surface finish suited for load-bearing and rolling contact applications.

Typical use cases include replacing worn balls in skateboard or longboard wheel bearings, restoring smooth operation in drawer slides and caster wheels, and serving as rolling elements in custom jigs, fixtures, or low-speed conveyor systems where stainless steel ball bearing corrosion resistance is a priority.

🔧 Compatibility: Suitable for open bearing housings, ball transfer units, and custom assemblies requiring a solid stainless steel ball. Verify the bore diameter of your housing before ordering. Diameter tolerance conforms to Grade 200 (ABMA/ISO) standards.

✅ Key Features of These Stainless Steel Ball Bearings

🔩 Grade 200 Precision

Manufactured to ABMA Grade 200 dimensional tolerances, ensuring consistent diameter accuracy and roundness across the full size range from 30mm to 60mm.

🛡️ Stainless Steel Construction

Made from stainless steel alloy that resists oxidation and surface corrosion in humid, wet, or mildly corrosive environments — extending service life compared to carbon steel alternatives.

📐 Ten Diameter Options

Available in 30, 32, 35, 38, 40, 42, 45, 50, 55, and 60mm to match a wide range of housing bores and shaft assemblies without custom machining.

✨ Smooth Surface Finish

Precision-ground exterior provides low rolling resistance and even load distribution, reducing wear on mating surfaces in both static and dynamic contact applications.

⚖️ Solid Sphere Design

Full solid construction (no hollow core) delivers uniform compressive strength and predictable load-bearing behavior across radial and point-contact load scenarios.

🔄 Broad Application Range

Suited for replacement in casters, drawer slides, ball transfer units, valve seats, and DIY mechanical assemblies where a dimensionally reliable rolling element is required.

📐 Technical Specifications — Stainless Steel Ball Bearings

Material Stainless Steel
Grade Grade 200 (ABMA/ISO)
Available Diameters 30mm, 32mm, 35mm, 38mm, 40mm, 42mm, 45mm, 50mm, 55mm, 60mm
Diameter Tolerance See variant options
Surface Finish Precision-ground
Ball Type Solid sphere
Corrosion Resistance Yes — stainless alloy
Quantity per Order 1 pcs (per variant)
Weight See variant options

❓ Frequently Asked Questions

How do I choose the right diameter for my application?

Measure the inner bore of your bearing housing or the seat diameter in your assembly using a caliper. The ball diameter should match the bore closely — typically within a few hundredths of a millimeter for a proper fit. If you are replacing an existing ball, measure the worn ball or consult the original equipment specification sheet for the nominal diameter.

What does Grade 200 mean for ball bearings?

Grade 200 refers to the dimensional tolerance class defined by ABMA (American Bearing Manufacturers Association) and the equivalent ISO standard. It specifies the allowable deviation in diameter, roundness, and surface finish. Grade 200 is a general-purpose precision grade suitable for most replacement and DIY mechanical applications where tight tolerances are needed but ultra-precision grades (such as Grade 10 or Grade 25) are not required.

Are these ball bearings suitable for outdoor or wet environments?

Yes. Stainless steel resists surface oxidation and corrosion in humid, wet, and mildly corrosive conditions. However, for prolonged immersion in saltwater or exposure to strong acids or chlorides, a higher-grade stainless alloy (such as 316 SS) may be more appropriate. If your application involves harsh chemical exposure, contact us to confirm suitability before ordering.

Can I use these balls as replacements in a standard ball bearing race?

Yes, provided the diameter matches the race specification exactly. These are solid precision balls intended for use as rolling elements. Confirm the ball diameter called out in your bearing's datasheet or stamped on the race before selecting a size. Mixing ball sizes within a single race will cause uneven load distribution and accelerated wear.

What is the load capacity of these ball bearings?

Load capacity depends on the diameter, the material grade, and the specific application geometry (point contact vs. conforming race). As solid stainless steel spheres, larger diameters (50–60mm) support substantially higher compressive loads than smaller ones (30–35mm). For precise load ratings in a specific assembly, contact us to confirm — we can provide guidance based on your use case.

Do these ship individually or in sets?

Each variant is sold as 1 piece (1 pcs) per order. If you need multiple balls of the same diameter, simply increase the quantity at checkout. If you require a bulk quantity or a mixed assortment across diameters, contact us and we can discuss options.

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

 

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