Precision Engineered Silicon Nitride Ceramic Inserts for Bearings

• Customization: Available
• Certification: ISO9001:2008, RoHS, CE
• Feature: Vacuum, Corrosion Resistant, Antimagnetic, Low Temperature, High Temperature
• Model NO.: SB201
• Style: Deep Groove Ball Bearing
• Rows Number: Single
• Load Direction: Radial Bearing
• Material: Ceramic
• Temperature Range: -200°C to +400°C
• Corrosion Resistance: Excellent (Chemical and Saline Environments)
• 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
• Trademark: LOWIFAR
• Origin: China
• HS Code: 69091990
• Production Capacity: 50000PCS/Year

Product Description

Key Features of Si3N4 Silicon Nitride Ceramic Insert Ball Bearing

(Custom configurations available upon request.)

Superior Material Properties:

Made from silicon nitride (Si3N4), a high-performance ceramic known for its exceptional strength, hardness, and lightweight nature.
Highly resistant to wear and corrosion, ensuring durability in demanding applications.
High Hardness and Wear Resistance:

Extremely hard material that resists wear even under heavy loads and high-speed conditions.
Provides a longer lifespan compared to traditional steel bearings.
Thermal Stability:

Operates efficiently in extreme temperatures, ranging from cryogenic conditions to over 1000°C.
Minimal thermal expansion ensures dimensional stability under temperature fluctuations.
Lightweight:

Approximately 60% lighter than steel, reducing centrifugal forces and energy consumption in high-speed applications.
Improves overall system efficiency and reduces inertia in moving parts.
Corrosion Resistance:

Highly resistant to oxidation and chemical attack, making it ideal for corrosive environments such as chemical plants, marine applications, and clean rooms.
Electrical Insulation:

Excellent electrical insulation properties, preventing electrical arcing and reducing the risk of damage in electric motors and generators.
Low Friction and High Precision:

Smooth surface and low friction coefficient reduce energy loss and heat generation.
Allows for quieter operation and high precision in applications requiring tight tolerances.
High-Speed Capability:

Lightweight and low friction allow for superior performance at high rotational speeds.
Reduces heat buildup and improves bearing efficiency in high-speed applications.
Non-Magnetic Properties:

Completely non-magnetic, making it suitable for applications sensitive to magnetic interference, such as in medical imaging equipment and electronics.
Applications:

Widely used in aerospace, medical devices, machine tools, semiconductor manufacturing, chemical processing, and high-speed machinery.
Particularly valuable in environments requiring lightweight, high-speed, and high-temperature operation.

Material	Zirconia (ZrO2) Ceramic
Corrosion Resistance	Excellent (chemical and saline environments)
Load Capacity	High
Lubrication	Self-lubricating
Noise Level	Low
Design	Available in standard and custom sizes

Bearing No.	d		Dimensions(mm)
	(mm)	(in.)	D	Bi	Be	n	G	ds
SB201	12		40	22	12	6	4.5	M5x0.8
SB201-8	12.7	1/2	40	22	12	6	4.5	10-32UNF
SB202	15		40	22	12	6	4.5	M5x0.8
SB202-10	15.875	5/8	40	22	12	6	4.5	10-32UNF
SB203	17		40	22	12	6	4.5	M5x0.8
SB203-11	17.462	11/16	40	22	12	6	4.5	10-32UNF
SB204-12	19.05	3/4	47	25	14	7	4.5	1/4-28UNF
SB204	20		47	25	14	7	4.5	M6x1.0
SB205-14	22.225	7/8	52	27	15	7.5	5.5	1/4-28UNF
SB205	25		52	27	15	7.5	5.5	M6x1.0
SB205-16	25.4	1	52	27	15	7.5	5.5	1/4-28UNF
SB206-18	28.575	11/8	62	30	16	8	6	1/4-28UNF
SB206	30		62	30	16	8	6	M6x1.0
SB206-19	30.162	13/16	62	30	16	8	6	1/4-28UNF
SB206-20	31.75	11/4	62	30	16	8	6	1/4-28UNF
SB207-20	31.75	11/4	72	32	17	8.5	6.5	5/16-24UNF
SB207-22	34.925	13/8	72	32	17	8.5	6.5	5/16-24UNF
SB207	35		72	32	17	8.5	6.5	M8x1.0

SB208	40		80	34	18	9	7	M8x1.0
SB209-26	41.275	15/8	85	41.2	19	9.5	8.2	5/16-24UNF
SB209-27	42.863	111/16	85	41.2	19	9.5	8.2	5/16-24UNF
SB209	45		85	41.2	19	9.5	8.2	M8x1.0
SB209-28	44.45	13/4	85	41.2	19	9.5	8.2	5/16-24UNF
SB210-30	47.625	17/8	90	41.6	20	10	9.2	5/16-24UNF
SB210-31	49.213	115/16	90	41.6	20	10	9.2	5/16-24UNF
SB210	50		90	41.6	20	10	9.2	M8x1.0
SB211-32	50.8	2	100	45.3	24	12	9.8	5/16-24UNF
S211-34	53.975	21/8	100	45.3	24	12	9.8	5/16-24UNF
SB211	55		100	45.3	24	12	9.8	M8x1.0
SB211-35	55.563	23/16	100	45.3	24	12	9.8	3/8-24UNF
SB212-36	57.15	21/4	110	53.7	24	14.9	9.8	3/8-24UNF
SB212	60		110	53.7	24	14.9	9.8	M10x1.25
SB212-38	60.325	23/8	110	53.7	24	14.9	9.8	3/8-24UNF

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