What is the difference between shielded (ZZ) and sealed (2RS) deep-groove ball bearings?

Shielded (ZZ) bearings use metal shields that retain grease and block larger debris while allowing higher speeds. Sealed (2RS) bearings use rubber contact seals that give better protection against fine dust and moisture, which suits dusty or humid Indian conditions. Choose based on your speed and contamination needs.

How do I know which deep-groove bearing size I need?

Match the ISO designation, which encodes the dimensions — for example a 6203 has a 17mm bore, 40mm outer diameter and 12mm width. Measure your shaft diameter and housing bore, then select the bearing whose stated metric dimensions match exactly.

Are these 2mm ceramic balls suitable for bicycle components in India?

Yes, 2mm balls are often used for bicycle headsets and clusters. Their Zirconium Oxide material offers excellent wear resistance, which is beneficial for components exposed to dust and moisture common in Indian cycling conditions. Ensure compatibility with your specific headset or hub design.

How do uxcell ceramic bearing balls compare to local Indian alternatives?

uxcell ceramic balls offer superior wear resistance and corrosion protection due to their Zirconium Oxide composition, ideal for India's humid climate. Local steel balls may be cheaper but lack the durability and resistance to aggressive environments that these imported ceramic balls provide for precision applications.

What are the main benefits of Zirconium Oxide (ZrO2) ceramic balls?

ZrO2 ceramic balls provide exceptional strength, high toughness, and excellent wear resistance. They are self-lubricating, have low thermal conductivity, and resist corrosion, making them suitable for aggressive environments and precision applications where standard steel bearings may fail.

How to buy an original uxcell 2mm ceramic bearing balls in India?

All uxcell products are sourced from authorized US retailers and authorized brand partners, ensuring 100% authenticity. They arrive factory-sealed and are imported per-order, with all customs duties and GST pre-paid. Delivery is via ExpressBox tracked service, arriving in 14-16 days.

uxcell 2mm Ceramic Bearing Balls ZrO2 G5 Precision

Name: uxcell 2mm Ceramic Bearing Balls ZrO2 Zirconium Oxide G5 Precision (10-Pack)
Brand: uxcell
SKU: spt1973
Price: 1153.00 INR
Availability: InStock

About this item

uxcell 2mm G5 Precision Zirconium Oxide Ceramic Bearing Balls (10-Pack) are engineered for high performance in aggressive environments. Sourced from authorized US retailers, these balls offer exceptional strength, high toughness, and wear resistance, making them ideal for precision applications where reliability is paramount. Imported for Indian customers, they provide a superior alternative to standard steel bearings.

These ZrO2 balls boast a pearly luster and a smooth spherical surface, with G5 precision grade ensuring consistent performance. Their self-lubricating properties reduce friction and wear, extending the life of the components they are used in. Suitable for applications like precision bearings, pumps, valves, check valves, flow meters, and measurement instruments, they are also useful for casters, drawer slides, and door locks.

Compared to local alternatives, these ceramic balls offer enhanced durability and resistance to corrosion and extreme temperatures. All customs duties and GST are included in the price, with delivery via ExpressBox tracked service. Experience the difference of high-quality imported components for your critical machinery.

Key Features

Ceramic Bearing Balls 2mm, ZrO2 Zirconium Oxide Ball G5 Precision
Pearly luster and a smooth spherical surface
G5 precision grade balls, Self-lubricating
Excellent strength, high toughness and wear resistance
Suitable for a range of purposes

Why choose this product

Engineered for Durability and Precision

Zirconium Oxide (ZrO2) ceramic is renowned for its low thermal conductivity, high strength, and exceptional resistance to crack propagation. These G5 precision balls offer a smooth, pearly luster and a self-lubricating surface, minimizing friction and wear in critical components. Unlike standard steel balls, ZrO2 ceramic resists corrosion and operates effectively in aggressive environments, ensuring longevity and consistent performance in applications ranging from precision bearings and pumps to drawer slides and door locks. Imported from authorized US retailers, these balls represent a commitment to quality and advanced material science for your machinery needs.

Who Should Choose These Balls vs. Who Should Consider Alternatives

These 2mm ZrO2 ceramic balls are ideal for users needing high precision, wear resistance, and corrosion resistance in demanding applications like specialized bearings, pumps, and instruments. They are excellent for environments prone to moisture or chemical exposure. Consider standard steel balls if your application involves low-speed, low-load, and non-corrosive conditions where cost is the primary factor. If you require extreme temperature resistance beyond ceramic capabilities, look for specialized alloys. For general bicycle use, ensure the 2mm size is compatible with your specific hub or headset.

How to use

Verify Compatibility — Confirm that your application requires 2mm diameter balls and can utilize the benefits of Zirconium Oxide ceramic, such as high wear resistance and corrosion protection.
Install Carefully — Gently place the 2mm ceramic balls into the bearing races or housing. Ensure they are properly seated and that the surrounding components are clean to avoid contamination.
Lubricate if Necessary — While these balls are self-lubricating, for extremely demanding applications or prolonged use in harsh conditions, consider adding a compatible light oil lubricant as recommended by the equipment manufacturer.

Example scenarios

Typical situations where uxcell 2mm Ceramic Bearing Balls ZrO2 Zirconium Oxide G5 Precision (10-Pack) helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

A user in a coastal Indian city needs bearing balls for a precision instrument exposed to salt spray and humidity.

How this product helps

These ZrO2 ceramic balls offer superior corrosion resistance compared to local steel alternatives, preventing rust and ensuring the instrument's longevity and accuracy. Their G5 precision grade guarantees consistent performance in critical applications.

Scenario 2

Illustrative example

Where it helps

A hobbyist building custom drawer slides or casters for a workshop in a dusty Indian environment.

How this product helps

The self-lubricating and wear-resistant nature of these ceramic balls ensures smooth operation and durability. Their smooth surface and G5 precision reduce friction, providing a premium feel and extended lifespan for the slides.

Specifications

Composition

Primary Material	Zirconium Oxide (ZrO2)
Key Properties	Low thermal conductivity, high strength, high crack resistance, self-lubricating, corrosion resistant
Allergens	None stated
Free From	No specific claims

Usage

Primary Use	Precision bearings, pumps, valves, check valves, flow meters, measurement instruments, casters, drawer slides, door locks
Recommended Frequency	As per equipment design
Compatible Lubricant Type	Oil
Cost per use	10 balls at ₹1,153 — ₹115 per ball
Shelf life after opening	12 months (standard for precision components)
Reapplication math	N/A (component part)
Contraindications	Not suitable for applications requiring imperial measurements or extreme impact loads beyond ceramic's capacity.
Allergens / common irritants	None stated

How we compare

Feature	uxcell 2mm Ceramic	Others
Material	Zirconium Oxide (ZrO2) Ceramic	Chrome Steel (GCr15/52100)
Wear Resistance	Excellent, high toughness	Good, but lower than ceramic
Corrosion Resistance	High, suitable for aggressive environments	Moderate, prone to rust in humidity
Cost per Ball (approx.)	₹115 per ball	₹10-₹30 per ball (varies by brand/quality)
Precision Grade	G5	Varies (often G10 or lower)

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uxcell 2mm Ceramic Bearing Balls ZrO2 Zirconium Oxide G5 Precision (10-Pack)

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