Hf0610 Hf0612 Inner Rings IR1720 Ewc0809 One Way Needle Roller Clutch Bearings

• Customization: Available
• Cage: Without Cage
• Rows Number: Multiple
• Model NO.: HF0610
• Load Direction: Radial Bearing
• Style: Without Outer Ring
• Material: Bearing Steel
• Type: Closed
• Load Capacity: Handles High Radial Loads and Dynamic Conditions
• Sealing: Available with Sealed Designs for Contaminant
• Direction of Rotation: One-Way (Right-Hand Standard)
• Cage/Rollers: Needle Rollers with Spring Elements
• Recommended Shaft Hardness: ≥58–64 HRC
• Transport Package: Sealed in Plastic Bags, Packed in Foam-Lined Boxes
• Specification: Gcr15
• 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 HF0612 / HF0809 / EWC0809 One Way Needle Roller Clutch Bearings

(Custom configurations available upon request.)

One-Way Rotation Function
Allows free rotation in one direction while locking in the opposite. Ideal for overrunning, backstop, and indexing applications.
Knurled Outer Ring (HF0612)
HF0612 features a knurled (serrated) outer surface, enhancing friction fit in plastic or soft housings. Prevents slipping in light-duty assemblies.
Compact Design with High Torque Output
Small size with efficient torque transmission—perfect for limited-space applications like printers, copiers, and power tools.
Integrated Needle Rollers and Spring Retainer
Ensures quick engagement with low backlash and stable operation.
EWC Series (e.g., EWC0809)
Japanese standard miniature roller clutches, interchangeable with HF series but designed for higher precision and lower noise.

Bearing Designation		Mass =g	Dimensions(mm)				Permissble torque Ma perNm	Limiting speed
Plastic springs	Steel springs		Fw	D	C -0.3	r min.		Ngw min-	nGA min-
HF0306-KF		1	3	65	6	0.3	0.18	45000	8000
HF0306-KFR		1	3	65	6	0.3	0.06	45000	8000
HF0406-KF		1	4	8	6	0.3	0.34	34000	8000
HF0406-KFR		1	4	8	6	0.3	0.1	34000	8000
HF0612-KF	HF0612	3	6	10	12	0.3	1.76	23000	13000
HF0612-KFR	HF0612-R	3	6	10	12	0.3	0.6	23000	13000
HF0812-KF	HF0812	3.5	8	12	12	0.3	3.15	17000	12000
HF0812-KFR	HF0812-R	3.5	8	12	12	0.3	1	17000	12000
HF1012-KF	HF1012	4	10	14	12	0.3	5.3	14000	11000
	HF1216	11	12	18	16	0.3	12.2	11000	8000
	HF1416	13	14	20	16	0.3	17.3	9500	8000
	HF1616	14	16	22	16	0.3	20.5	8500	7500
	HF1816	16	18	24	16	0.3	24.1	7500	7800
	HF2016	17	20	26	16	0.3	28.5	7000	6500
	HF2520	30	25	32	20	0.3	66	5500	5500
	HF3020	36	30	37	20	0.3	90	4500	4500
	HF3520	40	35	42	20	0.3	121	3900	3900

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