Ceramic Bearings

Ceramic bearings are made from materials such as silicon nitride (Si₃N₄), zirconia (ZrO₂), silicon carbide (SiC), and aluminum oxide (Al₂O₃), with Si₃N₄ being the most widely used.
Compared with steel bearings, they are lighter, harder, more corrosion-resistant, and can operate with less or no lubrication. They also offer lower friction, reduced vibration, and better performance in high-speed and high-temperature environments.
Ceramic bearings are typically divided into full ceramic (all components ceramic) and hybrid ceramic (ceramic balls with steel rings).
BKZ Industry, professional ceramic bearings manufacturer provides ceramic ball, roller, and needle bearings, widely used in chemical, pharmaceutical, food processing, and medical applications.

Ceramic Bearings With Silicon Nitride

Features & Advantages of BKZ Industry Ceramic Bearings

BKZ Industry offers application-specific ceramic bearings with corrosion resistance, low friction, and high-temperature performance, backed by ISO 9001 quality and engineering expertise.

Features of Ceramic Bearings

Excellent Resistance to Corrosion and Wear

Ceramic materials such as silicon nitride are chemically inert, offering strong resistance to water, acids, alkalis, and harsh chemicals. This ensures reliable performance in corrosive and demanding environments.

Lower Friction

With high hardness and a smooth surface finish, ceramic bearings reduce friction and wear, helping to improve efficiency and extend service life.

Minimal or No Lubrication

Due to their low friction and anti-seizure properties, ceramic bearings can operate with minimal or no lubrication under certain conditions, making them suitable for clean or maintenance-free applications.

High Temperature Performance

Ceramic materials provide excellent thermal stability and low thermal expansion, allowing bearings to maintain performance and dimensional stability at elevated temperatures.

Lightweight

Si₃N₄ ≈ 3.2 g/cm³ vs steel ≈ 7.8 g/cm³), reducing centrifugal forces and enabling better performance in high-speed applications.

Advantages of BKZ Industry Ceramic Bearings

Various Material Options

Available in silicon nitride (Si₃N₄), zirconia (ZrO₂), silicon carbide (SiC), and aluminum oxide (Al₂O₃), tailored to different application requirements.

Comprehensive Product Range

Offering full ceramic and hybrid ceramic bearings, including ball bearings, roller bearings, and needle bearings.

ISO-Certified Manufacturing & Proven Experience

ISO 9001 certified with over 15 years of bearing manufacturing experience, supported by a skilled engineering team.

Competitive Pricing with Reliable Quality

Delivering cost-effective solutions that balance performance, durability, and price, while ensuring consistent quality standards across every production batch.

Strict Quality Control

From incoming raw material verification to in-process monitoring and final performance testing, each step is carefully controlled to ensure dimensional accuracy, material integrity, and consistent product reliability.

Types of BKZ Industry Ceramic Bearings

BKZ Industry offers customized ceramic bearing solutions to meet your requirements. The following are some of the most commonly produced types.

Ceramic Angular Contact Ball Bearings

Ceramic Angular Contact Ball Bearings

Designed with contact angles to support combined radial and axial loads, these bearings use ceramic materials such as silicon nitride or zirconia. They offer high stiffness, low friction, high-speed capability, and reliable performance in high-temperature and corrosive environments.

Ceramic Thrust Ball Bearings

Ceramic Thrust Ball Bearings

Designed to handle axial loads only, these bearings are made entirely from ceramic materials such as silicon nitride or zirconia. They offer corrosion resistance, low friction, and are widely used in chemical processing, pumps, and high-temperature equipment.

Ceramic Self Aligning Ball Bearings

Ceramic Self Aligning Ball Bearings

Featuring a double-row design with a spherical raceway, these bearings can automatically adjust to misalignment. Constructed from ceramic materials, they are commonly used in pumps, food processing equipment, textile machinery, and applications with shaft deflection or alignment challenges.

Ceramic Inser Bearings

Ceramic Insert Bearings

Designed for easy mounting in housing units, these bearings feature a solid ceramic construction for both rings and rolling elements. They provide excellent corrosion resistance, low friction, and reliable performance in washdown, food processing, and chemical environments.

Ceramic Tapered Toller Bearings

Ceramic Tapered Roller Bearings

Supporting combined radial and axial loads, these bearings use tapered rolling elements made entirely from ceramic materials. They are commonly used in gearboxes, heavy-duty machinery, chemical equipment, and high-temperature industrial applications.

Ceramic Cylindrical Roller Bearings 2

Ceramic Cylindrical Roller Bearings

With cylindrical rolling elements, these bearings provide high radial load capacity and low friction. Using ceramic materials, they offer excellent wear resistance, high-speed capability, and stable performance in high-temperature and corrosive environments.

Hybrid Ceramic Bearings

Hybrid Ceramic Bearings

Use ceramic balls (typically silicon nitride) with steel rings, unlike full ceramic bearings made entirely of ceramic materials. Compared with full ceramic versions, they offer better toughness, higher load capacity, and improved impact resistance while still maintaining low friction and high-speed performance.

*We also offer bearings not listed here. Contact us for more options.

Ceramic Bearings Size Chart

Ceramic bearings generally follow standard ISO dimensions, allowing easy interchangeability with conventional steel bearings. The primary difference lies in the materials used. Below are some standard ceramic bearing size charts for reference. For specific or customized requirements, please contact us for further support.

Series NoCeramic TypeBore Dia (mm)Outer Dia (mm)Width (mm)Estimated WeightSeal TypeMaterials
6201Full1131100.03OpenSi3N4 / ZrO2
6202Hybrid1232110.06OpenSi3N4 / ZrO2
6203Full1333120.09SealedSi3N4 / ZrO2
6204Hybrid1434130.12OpenSi3N4 / ZrO2
6205Full153590.15OpenSi3N4 / ZrO2
6206Hybrid1636100.18SealedSi3N4 / ZrO2
6207Full1737110.21OpenSi3N4 / ZrO2
6208Hybrid1838120.24OpenSi3N4 / ZrO2
6209Full1939130.27SealedSi3N4 / ZrO2
6210Hybrid204090.3OpenSi3N4 / ZrO2
6211Full2141100.33OpenSi3N4 / ZrO2
6212Hybrid2242110.36SealedSi3N4 / ZrO2
6213Full2343120.39OpenSi3N4 / ZrO2
6214Hybrid2444130.42OpenSi3N4 / ZrO2
6215Full254590.45SealedSi3N4 / ZrO2
6216Hybrid2646100.48OpenSi3N4 / ZrO2
6217Full2747110.51OpenSi3N4 / ZrO2
6218Hybrid2848120.54SealedSi3N4 / ZrO2
6219Full2949130.57OpenSi3N4 / ZrO2
6220Hybrid305090.6OpenSi3N4 / ZrO2
6221Full3151100.63SealedSi3N4 / ZrO2
6222Hybrid3252110.66OpenSi3N4 / ZrO2
6223Full3353120.69OpenSi3N4 / ZrO2
6224Hybrid3454130.72SealedSi3N4 / ZrO2
6225Full355590.75OpenSi3N4 / ZrO2
6226Hybrid3656100.78OpenSi3N4 / ZrO2
6227Full3757110.81SealedSi3N4 / ZrO2
6228Hybrid3858120.84OpenSi3N4 / ZrO2
6229Full3959130.87OpenSi3N4 / ZrO2
6230Hybrid406090.9SealedSi3N4 / ZrO2
6231Full4161100.93OpenSi3N4 / ZrO2
6232Hybrid4262110.96OpenSi3N4 / ZrO2
6233Full4363120.99SealedSi3N4 / ZrO2
6234Hybrid4464131.02OpenSi3N4 / ZrO2
6235Full456591.05OpenSi3N4 / ZrO2
6236Hybrid4666101.08SealedSi3N4 / ZrO2
6237Full4767111.11OpenSi3N4 / ZrO2
6238Hybrid4868121.14OpenSi3N4 / ZrO2
6239Full4969131.17SealedSi3N4 / ZrO2
6240Hybrid507091.2OpenSi3N4 / ZrO2
6241Full5171101.23OpenSi3N4 / ZrO2
6242Hybrid5272111.26SealedSi3N4 / ZrO2
6243Full5373121.29OpenSi3N4 / ZrO2
6244Hybrid5474131.32OpenSi3N4 / ZrO2
6245Full557591.35SealedSi3N4 / ZrO2
6246Hybrid5676101.38OpenSi3N4 / ZrO2
6247Full5777111.41OpenSi3N4 / ZrO2
6248Hybrid5878121.44SealedSi3N4 / ZrO2
6249Full5979131.47OpenSi3N4 / ZrO2
6250Hybrid608091.5OpenSi3N4 / ZrO2
6251Full6181101.53SealedSi3N4 / ZrO2
6252Hybrid6282111.56OpenSi3N4 / ZrO2
6253Full6383121.59OpenSi3N4 / ZrO2
6254Hybrid6484131.62SealedSi3N4 / ZrO2
6255Full658591.65OpenSi3N4 / ZrO2
6256Hybrid6686101.68OpenSi3N4 / ZrO2
6257Full6787111.71SealedSi3N4 / ZrO2
6258Hybrid6888121.74OpenSi3N4 / ZrO2
6259Full6989131.77OpenSi3N4 / ZrO2
6260Hybrid709091.8SealedSi3N4 / ZrO2
6261Full7191101.83OpenSi3N4 / ZrO2
6262Hybrid7292111.86OpenSi3N4 / ZrO2
6263Full7393121.89SealedSi3N4 / ZrO2
6264Hybrid7494131.92OpenSi3N4 / ZrO2
6265Full759591.95OpenSi3N4 / ZrO2
6266Hybrid7696101.98SealedSi3N4 / ZrO2
6267Full7797112.01OpenSi3N4 / ZrO2
6268Hybrid7898122.04OpenSi3N4 / ZrO2
6269Full7999132.07SealedSi3N4 / ZrO2
6270Hybrid8010092.1OpenSi3N4 / ZrO2
6271Full81101102.13OpenSi3N4 / ZrO2
6272Hybrid82102112.16SealedSi3N4 / ZrO2
6273Full83103122.19OpenSi3N4 / ZrO2
6274Hybrid84104132.22OpenSi3N4 / ZrO2
6275Full8510592.25SealedSi3N4 / ZrO2
6276Hybrid86106102.28OpenSi3N4 / ZrO2
6277Full87107112.31OpenSi3N4 / ZrO2
6278Hybrid88108122.34SealedSi3N4 / ZrO2
6279Full89109132.37OpenSi3N4 / ZrO2
6280Hybrid9011092.4OpenSi3N4 / ZrO2
6281Full91111102.43SealedSi3N4 / ZrO2
6282Hybrid92112112.46OpenSi3N4 / ZrO2
6283Full93113122.49OpenSi3N4 / ZrO2
6284Hybrid94114132.52SealedSi3N4 / ZrO2
6285Full9511592.55OpenSi3N4 / ZrO2
6286Hybrid96116102.58OpenSi3N4 / ZrO2
6287Full97117112.61SealedSi3N4 / ZrO2
6288Hybrid98118122.64OpenSi3N4 / ZrO2
6289Full99119132.67OpenSi3N4 / ZrO2
6290Hybrid10012092.7SealedSi3N4 / ZrO2
6291Full101121102.73OpenSi3N4 / ZrO2
6292Hybrid102122112.76OpenSi3N4 / ZrO2
6293Full103123122.79SealedSi3N4 / ZrO2
6294Hybrid104124132.82OpenSi3N4 / ZrO2
6295Full10512592.85OpenSi3N4 / ZrO2
6296Hybrid106126102.88SealedSi3N4 / ZrO2
6297Full107127112.91OpenSi3N4 / ZrO2
6298Hybrid108128122.94OpenSi3N4 / ZrO2
6299Full109129132.97SealedSi3N4 / ZrO2
62100Hybrid11013093OpenSi3N4 / ZrO2
62101Full111131103.03OpenSi3N4 / ZrO2
62102Hybrid112132113.06SealedSi3N4 / ZrO2
62103Full113133123.09OpenSi3N4 / ZrO2
62104Hybrid114134133.12OpenSi3N4 / ZrO2
62105Full11513593.15SealedSi3N4 / ZrO2
62106Hybrid116136103.18OpenSi3N4 / ZrO2
62107Full117137113.21OpenSi3N4 / ZrO2
62108Hybrid118138123.24SealedSi3N4 / ZrO2
62109Full119139133.27OpenSi3N4 / ZrO2
62110Hybrid12014093.3OpenSi3N4 / ZrO2
62111Full121141103.33SealedSi3N4 / ZrO2
62112Hybrid122142113.36OpenSi3N4 / ZrO2
62113Full123143123.39OpenSi3N4 / ZrO2
62114Hybrid124144133.42SealedSi3N4 / ZrO2
62115Full12514593.45OpenSi3N4 / ZrO2
62116Hybrid126146103.48OpenSi3N4 / ZrO2
62117Full127147113.51SealedSi3N4 / ZrO2
62118Hybrid128148123.54OpenSi3N4 / ZrO2
62119Full129149133.57OpenSi3N4 / ZrO2
62120Hybrid13015093.6SealedSi3N4 / ZrO2
62121Full131151103.63OpenSi3N4 / ZrO2
62122Hybrid132152113.66OpenSi3N4 / ZrO2
62123Full133153123.69SealedSi3N4 / ZrO2
62124Hybrid134154133.72OpenSi3N4 / ZrO2
62125Full13515593.75OpenSi3N4 / ZrO2
62126Hybrid136156103.78SealedSi3N4 / ZrO2
62127Full137157113.81OpenSi3N4 / ZrO2
62128Hybrid138158123.84OpenSi3N4 / ZrO2
62129Full139159133.87SealedSi3N4 / ZrO2
62130Hybrid14016093.9OpenSi3N4 / ZrO2
62131Full141161103.93OpenSi3N4 / ZrO2
62132Hybrid142162113.96SealedSi3N4 / ZrO2
62133Full143163123.99OpenSi3N4 / ZrO2
62134Hybrid144164134.02OpenSi3N4 / ZrO2
62135Full14516594.05SealedSi3N4 / ZrO2
62136Hybrid146166104.08OpenSi3N4 / ZrO2
62137Full147167114.11OpenSi3N4 / ZrO2
62138Hybrid148168124.14SealedSi3N4 / ZrO2
62139Full149169134.17OpenSi3N4 / ZrO2
62140Hybrid15017094.2OpenSi3N4 / ZrO2
62141Full151171104.23SealedSi3N4 / ZrO2
62142Hybrid152172114.26OpenSi3N4 / ZrO2
62143Full153173124.29OpenSi3N4 / ZrO2
62144Hybrid154174134.32SealedSi3N4 / ZrO2
62145Full15517594.35OpenSi3N4 / ZrO2
62146Hybrid156176104.38OpenSi3N4 / ZrO2
62147Full157177114.41SealedSi3N4 / ZrO2
62148Hybrid158178124.44OpenSi3N4 / ZrO2
62149Full159179134.47OpenSi3N4 / ZrO2
62150Hybrid16018094.5SealedSi3N4 / ZrO2
62151Full161181104.53OpenSi3N4 / ZrO2
62152Hybrid162182114.56OpenSi3N4 / ZrO2
62153Full163183124.59SealedSi3N4 / ZrO2
62154Hybrid164184134.62OpenSi3N4 / ZrO2
62155Full16518594.65OpenSi3N4 / ZrO2
62156Hybrid166186104.68SealedSi3N4 / ZrO2
62157Full167187114.71OpenSi3N4 / ZrO2
62158Hybrid168188124.74OpenSi3N4 / ZrO2
62159Full169189134.77SealedSi3N4 / ZrO2
62160Hybrid17019094.8OpenSi3N4 / ZrO2
62161Full171191104.83OpenSi3N4 / ZrO2
62162Hybrid172192114.86SealedSi3N4 / ZrO2
62163Full173193124.89OpenSi3N4 / ZrO2
62164Hybrid174194134.92OpenSi3N4 / ZrO2
62165Full17519594.95SealedSi3N4 / ZrO2
62166Hybrid176196104.98OpenSi3N4 / ZrO2
62167Full177197115.01OpenSi3N4 / ZrO2
62168Hybrid178198125.04SealedSi3N4 / ZrO2
62169Full179199135.07OpenSi3N4 / ZrO2
62170Hybrid18020095.1OpenSi3N4 / ZrO2
62171Full181201105.13SealedSi3N4 / ZrO2
62172Hybrid182202115.16OpenSi3N4 / ZrO2
62173Full183203125.19OpenSi3N4 / ZrO2
62174Hybrid184204135.22SealedSi3N4 / ZrO2
62175Full18520595.25OpenSi3N4 / ZrO2
62176Hybrid186206105.28OpenSi3N4 / ZrO2
62177Full187207115.31SealedSi3N4 / ZrO2
62178Hybrid188208125.34OpenSi3N4 / ZrO2
62179Full189209135.37OpenSi3N4 / ZrO2
62180Hybrid19021095.4SealedSi3N4 / ZrO2
62181Full191211105.43OpenSi3N4 / ZrO2
62182Hybrid192212115.46OpenSi3N4 / ZrO2
62183Full193213125.49SealedSi3N4 / ZrO2
62184Hybrid194214135.52OpenSi3N4 / ZrO2
62185Full19521595.55OpenSi3N4 / ZrO2
62186Hybrid196216105.58SealedSi3N4 / ZrO2
62187Full197217115.61OpenSi3N4 / ZrO2
62188Hybrid198218125.64OpenSi3N4 / ZrO2
62189Full199219135.67SealedSi3N4 / ZrO2
62190Hybrid20022095.7OpenSi3N4 / ZrO2
62191Full201221105.73OpenSi3N4 / ZrO2
62192Hybrid202222115.76SealedSi3N4 / ZrO2
62193Full203223125.79OpenSi3N4 / ZrO2
62194Hybrid204224135.82OpenSi3N4 / ZrO2
62195Full20522595.85SealedSi3N4 / ZrO2
62196Hybrid206226105.88OpenSi3N4 / ZrO2
62197Full207227115.91OpenSi3N4 / ZrO2
62198Hybrid208228125.94SealedSi3N4 / ZrO2
62199Full209229135.97OpenSi3N4 / ZrO2
62200Hybrid21023096OpenSi3N4 / ZrO2

Where Are Ceramic Bearings Used?

Ceramic bearings are widely used in applications requiring high speed and strong corrosion resistance. Below are some of the most common industries where ceramic bearings are applied.

FAQs About Ceramic Bearings

Q1. Ceramic bearings vs steel: Which one is better?

The choice depends on application requirements such as speed, environment, and load. Ceramic bearings offer advantages like corrosion resistance, low friction, and high-speed capability, while steel bearings provide better toughness and load capacity. Selecting the right type ensures optimal performance and cost efficiency.

Ceramic bearings can be more brittle than steel, making them less suitable for heavy shock loads. They also have a higher initial cost and require careful handling during installation. However, in the right applications, their performance benefits often outweigh these limitations.

ABEC-7 refers to a precision rating, not the material. Bearings with this rating can be made from steel or ceramic. Ceramic bearings may also meet ABEC-7 standards, but the classification itself only indicates tolerance and accuracy, not material composition.

Skateboard ceramic bearings typically use ceramic balls with steel or ceramic races to reduce friction and improve speed. They offer smoother rolling and better resistance to dirt and moisture, making them popular for high-performance and low-maintenance skating applications.

Selecting the right ceramic bearing depends on factors such as load, speed, temperature, and operating environment. Hybrid bearings are suitable for general high-speed use, while full ceramic bearings are ideal for corrosive or lubrication-free conditions. Proper selection ensures reliability and performance.

Yes, ceramic bearings can be customized based on specific requirements such as dimensions, materials, and operating conditions. Custom designs are often used in specialized equipment where standard sizes are not suitable, ensuring better performance and compatibility with unique applications.

Ceramic bearings are compatible with food-grade lubricants and are widely used in food processing equipment. Their corrosion resistance and ability to operate with minimal lubrication make them ideal for hygienic environments where contamination control and reliability are critical.

More Bearings from BKZ Industry

In addition to ceramic bearings, BKZ Industry supplies a wide range of bearing solutions tailored to your specific requirements, including ball bearings, roller bearings, slewing bearings, and customized designs for various industrial applications.

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