Premium 440c Stainless Steel Flange Bearings for Long-Lasting Performance

• Customization: Available
• Temperature Range: -30°C to +150°C
• Corrosion Resistance: Excellent (Chemical and Saline Environments)
• Model NO.: SF604
• Load Capacity: High
• Lubrication: Pre-Lubricated with Grease or Oil
• Tolerance: ABEC 1 to ABEC 7
• Noise Level: Low, Suitable for Precision Applications
• Transport Package: Sealed in Plastic Bags, Packed in Foam-Lined Boxes
• Specification: stainless steel
• Trademark: LOWIFAR
• Origin: China
• HS Code: 848210
• Production Capacity: 50000PCS/Year
• Package Size: 10.00cm * 2.00cm * 10.00cm
• Package Gross Weight: 0.020kg

Product Description

Key Features of SS440C Stainless Steel Bearings Flange Series

(Custom configurations available upon request.)

Material Excellence
Made from high-quality SS440C stainless steel, offering exceptional resistance to corrosion, wear, and high temperatures.
Flanged Design
Integrated flange simplifies mounting and alignment, making these bearings ideal for applications requiring precise axial location.
Versatile Configuration
Available in single-row deep groove or double-row configurations to suit various load and speed requirements.
High Load Capacity
Designed to handle both radial and axial loads efficiently, with robust construction to support demanding applications.
Wide Operating Range
Performs reliably across temperatures from -30°C to +150°C, suitable for both low and high-temperature environments.
Smooth and Quiet Operation
Precision-machined raceways and superior-grade balls ensure minimal noise and vibration during operation.
Pre-Lubricated
Delivered with high-performance grease, reducing maintenance needs and ensuring a longer operational lifespan.
Corrosion Resistance
Ideal for harsh environments such as marine, chemical processing, and food industries due to excellent corrosion resistance.
Customizable Options
Available with open, sealed (rubber or metal shields), or snap-ring configurations to meet specific application needs.
Applications
Commonly used in conveyor systems, medical devices, agricultural machinery, and packaging equipment.

 

Material	SS440C Stainless Steel
Flange Type	Integrated flange for secure mounting
Configuration	Single-row or double-row deep groove
Outer Diameter Range	10 mm to 100 mm
Bore Diameter Range	5 mm to 50 mm
Width	Standard and custom widths available
Load Capacity	Designed to handle radial and axial loads
Sealing Options	Open, metal shields (ZZ), rubber seals (2RS)
Temperature Range	-30°C to +150°C
Lubrication	Pre-lubricated with high-performance grease
Corrosion Resistance	Excellent, suitable for marine and chemical environments
Precision Class	ABEC-1, ABEC-3, or ABEC-5 depending on application requirements
Applications	Conveyor systems, medical equipment, food processing machinery, packaging machinery, and more
Applications	Medical devices, aerospace, precision instruments

Bearing Number	Bore (mm)	Outside Diameter (mm)		Width (mm)		Flange Dimensions (mm)		Basic Load Rating lbs
				open	enclosed
	d	D	Df	B	B1	C1      C2		Dynamic    Cr
SMF63	3	6	7.2	2	2.5	0.6	0.6	35	14
SF683	3	7	8.1	2	3	0.5	0.8	66	29
SMF83	3	8	9.2	2.5	–	0.6		64	24
SF693	3	8	9.5	3	4	0.7	0.9	64	24
SMF93	3	9	10.2*	2.5	4	0.6	0.8	99	42
SF603	3	9	10.5	3		0.7		99	42
SF623	3	10	11.5	4	4	1	1	99	42
SMF74	4	7	8.2	2	2.5	0.6	0.6	58	25
SMF84	4	8	9.2	2	3	0.6	0.6	88	33
SF684	4	9	10.3	2.5	4	0.6	1	99	42
SMF104	4	10	11.2*	3	4	0.6	0.8	99	42
SF694	4	11	12.5	4	4	1	1	123	57
SF604	4	12	13.5	4	4	1	1	167	77
SF624	4	13	15	5	5	1	1	224	108
SF634	4	16	18	5	5	1	1	300	140
SMF85	5	8	9.2	2	2.5	0.6	0.6	62	31
SMF95	5	9	10.2	2.5	3	0.6	0.6	112	46

SMF105	5	10	11.6	3	4	0.6	0.8	115	55
SMF115	5	11	12.6		4	–	0.8	123	57
SF685	5	11	12.5	3	5	0.8	1	123	57
SF695	5	13	15	4	4	1	1	187	90
SF605	5	14	16	5	5	1	1	229	110
SF625	5	16	18	5	5	1	1	300	140
SF635	5	19	22	6	6	1.5	1.5	400	190
SMF106	6	10	11.2	2.5	3	0.6	0.6	123	57
SMF126	6	12	13.2*	3	4	0.6	0.8	187	82
SF686	6	13	15	3.5	5	1	1.1	187	90
SF696	6	15	17	5	5	1.2	1.2	300	140
SF606	6	17	19	6	6	1.2	1.2	300	140
SF626	6	19	22	6	6	1.5	1.5	400	190
SMF117	7	11	12.2	2.5	3	0.6	0.6	101	46
SMF137	7	13	14.2°	3	4	0.6	0.8	198	88
SF687	7	14	16	3.5	5	1	1.1	202	103
SF697	7	17	19	5	5	1.2	1.2	235	120
SF607	7	19	22	6	6	1.5	1.5	385	180
SF627	7	22	25	7	7	1.5	1.5	580	290

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