Premium Ss440c Stainless Steel 6900 Series Deep Groove Bearings for Optimal Performance

Product Description

Key Features of SS440C Stainless Steel Deep Groove Ball Bearings 6900 Series

(Custom configurations available upon request.)

Material Excellence:

Constructed from SS440C stainless steel, offering high hardness, superior wear resistance, and excellent corrosion resistance, even in humid or chemically aggressive environments.
Precision Design:

Engineered to ABEC 1, ABEC 3, or ABEC 5 precision classes, ensuring consistent performance and minimal operational noise.
Compact Profile:

Slim and lightweight design suitable for applications requiring reduced space and weight without compromising performance.
High-Speed Capability:

Supports rotational speeds up to 42,000 RPM, making it ideal for dynamic and high-performance systems.
Sealing Options:

Available in open, shielded (ZZ), or sealed (2RS) configurations to cater to diverse application requirements and protection against contaminants.
Load Handling:

Balanced dynamic and static load ratings (ranging from 2.0 kN to 12.5 kN dynamic and 0.9 kN to 6.5 kN static), suitable for moderate to high-load applications.
Temperature Tolerance:

Performs reliably across a wide temperature range (-30°C to +150°C), suitable for extreme conditions.
Pre-Lubrication:

Comes pre-lubricated with high-quality grease for smooth operation and reduced maintenance.
Versatile Applications:

Used in aerospace, automotive, medical devices, food processing, and other precision-driven industries.
Long Service Life:

Designed for durability, ensuring extended operational life and reduced downtime.

 

Material	SS440C Stainless Steel
Series	6900 Series
Inner Diameter (ID)	10 mm to 50 mm
Outer Diameter (OD)	22 mm to 72 mm
Width	6 mm to 12 mm
Precision Class	ABEC 1, ABEC 3, ABEC 5
Sealing Options	Open, Shielded (ZZ), Sealed (2RS)
Dynamic Load Rating (Cr)	2.0 kN to 12.5 kN
Static Load Rating (Cor)	0.9 kN to 6.5 kN
Maximum Speed (Open)	Up to 42,000 RPM
Temperature Range	-30°C to +150°C
Lubrication	Pre-lubricated with high-quality grease
Corrosion Resistance	High (suitable for harsh environments)
Applications	Medical devices, aerospace, precision instruments

Bearing NO.	Bore d mm	O.D D mm	Width B mm	Chamfer r min mm	Ball Complement		Load Rating(KN)		Limiting speed
					NO.	Size mm	Dynamic Cr	Static Cor	Grease r/min
S693	3	8	3	0.15	6	1.588	0.56	0.18	54000
SW693	3	8	4	0.15	6	1.588	0.56	0.18	54000
S694	4	11	4	0.15	7	2	0.715	0.276	45000
S695	5	13	4	0.2	8	2.0	1.08	0.42	34000
S696	6	15	5	0.2	8	2.381	1.48	0.60	32000
S697	7	17	5	0.2	9	2.381	2.02	0.80	30000
S698	8	19	6	0.3	7	3.5	2.25	0.92	28000
S699	9	20	6	0.3	9	2.381	2.48	1.08	27000
S6900	10	22	6	0.5	9	3.175	3.30	1.40	25000
S6901	12	24	6	0.5	10	3.175	3.38	1.48	20000
S6902	15	28	7	0.5	10	3.969	4.00	2.02	19000
S6903	17	30	7	0.5	11	3.969	4.30	2.32	18000
S6904	20	37	9	0.5	11	4.763	6.55	3.60	17000
S6905	25	42	9	0.5	12	4.763	7.36	4.55	14000
S6906	30	47	9	0.3	14	4.763	7.25	5.00	12000
S6907	35	55	10	0.6	13	5.953	11.2	7.45	10000
S6908	40	62	12	0.6	13	6.747	14.6	10.2	8000
S6909	45	68	12	1.0	15	6.747	14	98	9000

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