Durable Silicon Nitride Bearings for Heavy-Duty Industrial Use

• Customization: Available
• Temperature Range: -200°C to +400°C
• Corrosion Resistance: Excellent (Chemical and Saline Environments)
• Model NO.: 51105
• Load Capacity: High
• Lubrication: Self-Lubricating
• Noise Level: Low
• Design: Available in Standard and Custom Sizes
• Transport Package: Sealed in Plastic Bags, Packed in Foam-Lined Boxes
• Specification: Silicon Nitride Ceramic Bearing
• Trademark: LOWIFAR
• Origin: China
• HS Code: 848210
• Production Capacity: 50000PCS/Year

Product Description

Key Features of Si3N4 Silicon Nitride Ceramic Thrust Ball Bearing

(Custom configurations available upon request.)

Material Properties:

Made from silicon nitride (Si3N4), a high-performance ceramic material known for its superior strength, hardness, and lightweight nature.
Resistant to wear, corrosion, and high temperatures, making it ideal for demanding environments.
Thrust Load Capacity:

Specifically designed to handle axial (thrust) loads in one or both directions while providing smooth and reliable performance.
Not suitable for significant radial loads, focusing on axial stress handling.
High Hardness and Wear Resistance:

Exceptional hardness ensures resistance to wear, extending operational life even under high loads and speeds.
Lightweight Design:

Approximately 60% lighter than steel thrust bearings, reducing inertia and improving energy efficiency in high-speed applications.
Thermal Stability:

Operates effectively at temperatures up to 1000°C, maintaining structural integrity and performance in extreme thermal environments.
Low thermal expansion reduces dimensional changes and enhances precision.
Corrosion Resistance:

Inert to most chemicals, including acids, alkalis, and saltwater, making it suitable for chemical and marine applications.
Low Friction and Smooth Operation:

Ceramic's low friction coefficient minimizes heat generation and energy loss, enabling efficient and quiet operation.
Electrical Insulation:

Non-conductive material prevents electrical arcing, making these bearings ideal for electric motors, generators, and other electrically sensitive applications.
High-Speed Capability:

Lightweight and low-friction properties allow excellent performance in high-speed applications, such as aerospace and precision machinery.
Non-Magnetic Properties:

Completely non-magnetic, suitable for environments sensitive to magnetic interference, such as medical imaging equipment.
Durability and Long Service Life:

High fatigue resistance and robustness ensure prolonged service life even in demanding conditions.

Material	Si3N4 Silicon Nitride Ceramic
Corrosion Resistance	Excellent (chemical and saline environments)
Load Capacity	High
Lubrication	Self-lubricating
Noise Level	Low
Design	Available in standard and custom sizes

Designation	Principal Dimensions(mm)			Basic Load Ratings(KN)		Limited Speed(rpm)		Weight
	d	D	T	Dynamic(Cr)	Static(Cor)	Grease	Oil	(kg)
51405	25	60	24	55.5	89.2	2200	3400	0.31
51406	30	70	28	72.5	125	1900	3000	0.51
51407	35	80	32	86.8	155	1700	2600	0.76
51408	40	90	36	112	205	1500	2200	1.06
51409	45	100	39	140	262	1400	2000	1.41
51410	50	110	43	160	302	1300	1900	1.86
51411	55	120	48	182	355	1100	1700	2.51
51412	60	130	51	200	395	1000	1600	3.08
51413	65	140	56	215	448	900	1400	3.91
51414	70	150	60	255	560	850	1300	4.85
51415	75	160	65	268	615	800	1200	6.08
51416	80	170	68	292	692	750	1100	7.12
51417	85	180	72	318	782	700	1000	8.28

51305	25	52	18	35.5	61.5	3000	4300	0.17
51306	30	60	21	42.8	78.5	2400	3600	0.26
51307	35	68	24	55.2	105	2000	3200	0.37
51308	40	78	26	69.2	135	1900	3000	0.53
51309	45	85	28	75.8	150	1700	2600	0.66
51310	50	95	31	96.5	202	1600	2400	0.92
51311	55	105	35	115	242	1500	2200	1.28
51312	60	110	35	118	262	1400	2000	1.37
51313	65	115	36	115	262	1300	1900	1.48
51314	70	125	40	148	340	1200	1800	1.98
51315	75	135	44	162	380	1100	1700	2.58
51316	80	140	44	160	380	1000	1600	2.69
51317	85	150	49	208	495	950	1500	3.47
51318	90	155	50	205	495	900	1400	3.69
51320	100	170	55	235	595	800	1200	4.86

High-Precision Ceramic and Stainless Steel Bearings Manufacturer

Delivering exceptional quality and precision, our ceramic and stainless steel bearings are engineered to meet the diverse needs of industries worldwide. Trusted for durability and performance, we are your reliable partner in advanced bearing solutions.

Specification

Applications
Aerospace: High-performance bearings for aircraft engines and systems.
Automotive: Durable solutions for engines, transmissions, and electric vehicles.
Medical Equipment: Precision bearings for surgical tools and diagnostic devices.
Industrial Machinery: Robust bearings for heavy-duty operations in manufacturing and production.
Renewable Energy: Specialized bearings for wind turbines and solar tracking systems.
Food & Beverage: Corrosion-resistant bearings for hygienic and reliable operations.
 
Key Configurations
Ceramic Bearings: Offering high temperature resistance, low friction, and excellent corrosion resistance.
Custom Designs: Tailored bearing solutions to meet specific application requirements.
High-Precision Tolerances: Ensuring consistent performance in demanding applications.
Maintenance-Free Options: Sealed bearings for enhanced durability and reduced downtime.

Production Process

1) Premium-grade ceramic and stainless steel materials are sourced to meet stringent quality standards.
2) Advanced CNC and grinding machines shape the bearing components to achieve tight tolerances and smooth finishes.
3) Precision polishing ensures low friction and optimal performance for both ceramic and stainless steel bearings.
4)Bearings are carefully assembled in a clean, controlled environment to maintain integrity and precision.
5) Rigorous quality checks, including dimensional accuracy, surface finish, and load testing, are performed to ensure every bearing meets or exceeds industry standards.

Ceramic bearing

Stainless steel bearing

Hybrid ceramic bearing

Many years of experience in bearing business

After Sales Service

Technical Support: Expert guidance for installation, maintenance, and troubleshooting to ensure optimal performance.
Warranty Assurance: Coverage for manufacturing defects, providing peace of mind with every purchase.
Customized Solutions: Tailored advice and modifications to address specific operational challenges or requirements.
Prompt Response: Dedicated support team available to address inquiries and resolve issues quickly and effectively.

Company Profile

At LOWIFAR Bearings, we specialize in designing and manufacturing a wide range of precision, high-quality ball bearings and tapered roller bearings. Our products are designed to meet the demands of heavy agricultural machinery, textile machinery, various engineering applications, motors, automobiles, computers, electric appliances, power tools, pumps, and more.

With over ten years of experience in bearing production, LOWIFAR is a trusted manufacturer dedicated to providing custom-made bearing solutions to meet your unique requirements.

Our experienced and professional team ensures that we deliver products of the highest quality. We are proud to have exported our bearings to numerous countries and regions worldwide, including Europe, North America, India, Thailand, South Korea, Mexico, Turkey, Argentina, Russia, and many others.

Our bearings have earned a strong reputation for reliability and performance among our global customer base. We invite customers, business partners, and friends from all over the world to connect with us for mutually beneficial cooperation.

FAQ

1. What are ceramic bearings?
Ceramic bearings are bearings made from advanced ceramic materials such as Zirconia (ZrO2) or Silicon Nitride (Si3N4). They are known for their high strength, wear resistance, and ability to perform in extreme conditions.

2. What are the advantages of ceramic bearings over steel bearings?
Ceramic bearings offer several advantages, including:

  Higher Durability: Resistant to wear, corrosion, and high temperatures.
  Lighter Weight: Up to 40% lighter than steel bearings.
  Non-Magnetic & Electrically Insulating: Ideal for sensitive applications.
  Low Friction: Reduces energy loss and heat generation.
3. In which industries are ceramic bearings commonly used?
Ceramic bearings are widely used in:

  Packaging equipment
  Renewable energy (e.g., wind turbines)
  Aerospace and automotive
  Medical devices
  Chemical processing
  High-precision tools
4. Can ceramic bearings handle high temperatures?
Yes, ceramic bearings are highly resistant to heat and can operate in temperatures exceeding 1,000°C, depending on the material used.

5. Are ceramic bearings suitable for corrosive environments?
Absolutely! Ceramic bearings are non-reactive to most chemicals, making them ideal for use in highly corrosive environments.

6. What is the lifespan of ceramic bearings?
Ceramic bearings typically last much longer than steel bearings due to their wear resistance and durability. However, the exact lifespan depends on the operating conditions and maintenance practices.

7. How do I maintain ceramic bearings?
Ceramic bearings require minimal maintenance, but to ensure longevity:

  Use the correct lubrication when necessary.
  Keep them clean and free from contaminants.
  Follow proper installation procedures.
8. Do you provide customized ceramic bearings?
Yes, we offer tailored ceramic bearing solutions to meet your specific application requirements. Contact us to discuss your needs.

9. What sizes and types of ceramic bearings do you offer?
We supply a wide range of sizes and configurations, including ball bearings, roller bearings, and hybrid bearings. Check our product catalog or contact us for more details

10. How can I place an order or request a quote?
Simply visit our Contact Us page, fill out the inquiry form, or reach out to us directly via email or phone. Our team will respond promptly with the information you need