High-Speed Miniature Ball Bearing for Electric Pens, 3.175mm X 12mm X 4mm

• Customization: Available
• Temperature Range: -200°C to +400°C
• Corrosion Resistance: Excellent (Chemical and Saline Environments)
• Model NO.: R3.175ZZ
• 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: hybrid ceramic
• Trademark: LOWIFAR
• Origin: China
• HS Code: 848210
• Production Capacity: 500000PCS/Year
• Package Size: 10.00cm * 2.00cm * 10.00cm
• Package Gross Weight: 0.020kg

Product Description

Key Features of R3.175ZZ High Speed Miniature Deep Groove Ball Bearing for Electric Pen 3.175*12*4 mm

(Custom configurations available upon request.)

Product Description
The R3.175ZZ Miniature Deep Groove Ball Bearing is designed for high-speed and precision applications, especially suitable for electric pens, handheld tools, and compact motor systems. With a bore size of 3.175 mm, this bearing provides smooth rotation, low friction, and stable performance under high-speed operation.

Equipped with double metal shields (ZZ), it effectively prevents dust and contaminants from entering, ensuring long service life and consistent performance. The deep groove structure allows it to support both radial loads and limited axial loads.

 
Key Features
High-speed performance, ideal for electric pen applications
Miniature size for compact and lightweight designs
Deep groove design for smooth and stable rotation
Double metal shields (ZZ) for dust protection
Low noise and low vibration
High dimensional accuracy and reliability

Bearing Type	Miniature Deep Groove Ball Bearing
Model	R3.175ZZ
Inner Diameter (ID)	3.175 mm
Outer Diameter (OD)	12 mm
Width	4 mm
Shield Type	ZZ (Double Metal Shields)
Structure	Single Row
Speed Performance	High Speed
Noise Level	Low Noise
Precision Grade	Optional (ABEC-1 / ABEC-3 / ABEC-5)
Lubrication	Grease
Applications	Electric pens, micro motors, handheld tools, precision devices

Bearing Designation	Dimension								Weight
	d	d	D	D	B	B	rs min	rs min	Kg
	in	mm	in	mm	in	mm	in	mm
R2	3.175	0.125	9.525	0.375	3.969	0.1563	3.969	0.1563	37
R2A	3.175	0.125	12.7	0.5	4.366	0.1719	4.366	0.1719	47
R3	4.762	0.1875	12.7	0.5	3.969	0.1563	4.978	0.196	71
R4	6.35	0.25	15.875	0.625	4.978	0.196	4.978	0.196	85
R4A	6.35	0.25	19.05	0.75	5.556	0.2187	7.144	0.2813	90
R6	9.525	0.375	22.225	0.875	5.556	0.2187	7.144	0.2813	95
R8	12.7	0.5	28.575	1.125	6.35	0.25	7.938	0.3125	106
R10	15.875	0.625	34.925	1.375	7.144	0.2813	8.731	0.3437	141
R12	19.05	0.75	41.275	1.625	7.938	0.3125	11.112	0.4375	11
R14	22.225	0.875	47.625	1.875	9.525	0.375	12.7	0.5	18
R16	25.4	1	50.8	2	9.525	0.375	12.7	0.5
R18	28.575	1.125	53.925	2.125	9.525	0.375	12.7	0.5
R20	31.75	1.25	57.15	2.25	9.525	0.375	12.7	0.5
R22	34.925	1.375	63.5	2.5	11.112	0.4375	14.288	0.5625
R24	38.1	1.5	66.675	2.625	11.112	0.4375	14.288	0.5625
R144	3.175	0.125	6.35	0.25	2.779	0.1094	2.779	0.1094

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