High-Precision Angular Contact Ball Bearing for Industry Use

• Customization: Available
• Contact Angle: 15°
• Aligning: Aligning Bearing
• Model NO.: H7201CTA-RZP4
• Separated: Separated
• Rows Number: Single
• Load Direction: Radial Bearing
• Material: Stainless Steel
• Temperature Range: -30°C to +150°C
• Corrosion Resistance: Excellent (Chemical and Saline Environments)
• 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

Product Description

Key Features of H7201CTA-RZP4 / HQ1H7201CTA-RZP4 High-Precision Angular Contact Ball Bearing

(Custom configurations available upon request.)

Key Features
P4 (ABEC-7) Precision – ideal for precision spindle systems
Angular Contact Design (15°) – supports combined radial and axial loads
CTA Phenolic Cage – lightweight, low noise, optimized for high speed
RZ Low-Friction Seals – contamination protection with minimal drag
High Speed & Low Heat Generation – stable spindle operation
High Rigidity & Accuracy – improved machining precision
Matched Sets Available – DB / DF / DT preload configurations

Typical Applications
Engraving machine spindles
CNC milling and drilling machines
High-speed motorized spindles
Precision woodworking machinery
Automation and micro-machining equipment

High-Precision Ceramic and Stainless Steel Bearings Manufacturer

The H7201CTA-RZP4 (HQ1H7201CTA-RZP4) is a high-precision angular contact ball bearing engineered for high-speed, high-accuracy spindle applications, such as engraving machines and CNC spindles.

Produced to P4 (ABEC-7) precision class, this bearing offers excellent running accuracy, low vibration, and stable thermal performance, ensuring consistent machining accuracy and superior surface finish.

The bearing is fitted with a CTA phenolic cage, which reduces centrifugal forces and improves stability at high speeds.
The RZ low-friction seals provide effective protection against dust and fine particles while maintaining high rotational speed capability.

Specification

Bearing	Boundary dimensions			Load ratings		Limiled Ssrea		Weight
						(KN)
						Axlalload
	d	D	B	Cr	Cor	Grease	Oil
H71900 CTA-RZP4	10	22	6	3.9	1.8	70000	110000	0.009
HQ1 H71900CTA-RZP4	10	22	6	3.9	1.8	75000	120000	0.008
JHQ1 H71900CTA-RZP4	10	22	6	3.9	1.8	80000	1250000	0.008
H700OCTA-RZP4	10	26	8	5.3	2.5	60000	90000	0.018
HQ1 H7000CTA-RZP4	10	26	8	5.3	2.5	65000	100000	0.016
JHQ1 H7000CTA-RZP4	10	26	8	5.3	2.5	70000	110000	0.016
H7200CTA-RZP4	10	30	9	6.95	3.35	56000	85000	0.029
HQ1 H7200CTA-RZP4	10	30	9	6.95	3.35	61000	95000	0.027
JHQ1 H7200CTA-RZP4	10	30	9	6.95	3.35	66000	105000	0.027
H71901CTA_RZP4	12	24	6	4.5	2.28	60000	90000	0.01
HQ1 H71901CTA-RZP4	12	24	6	4.5	2.28	65000	100000	0.009
JHQ1 H71901CTA-RZP4	12	24	6	4.5	2.28	70000	110000	0.009
H7001CTA-RZP4	12	28	8	5.85	2.9	53000	80000	0.02
HQ1 H7001CTA-RZP4	12	28	8	5.85	2.9	58000	90000	0.019
JHQ1 H7001CTA-RZP4	12	28	8	5..85	2.9	73000	100000	0.019
H7201CTA-RZP4	12	32	10	8	3.9	50000	75000	0.036
HQ1 H7201CTA-RZP4	12	32	10	8	3.9	55000	85000	0.034
JHQ1 H7201CTA-RZP4	12	32	10	8	3.9	60000	95000	0.034
H71902CTA-RZP4	15	28	7	5	2.9	50000	75000	0.015
HQ1 H71902CTA-RZP4	15	28	7	5	2.9	55000	85000	0.013
JHQ1 H71902CTA-RZP4	15	28	7	5	2.9	60000	95000	0.013
H7002CTA-RZP4	15	32	9	6.2	3.4	48000	70000	0.028
HQ1 H7002CTA-RZP4	15	32	9	6.2	3.4	53000	75000	0.026
JHQ1 H7002CTA-RZP4	15	32	9	6.2	3.4	63000	85000	0.026
H7202CTA-RZP4	15	35	11	965	5	45000	67000	0.043
HQ1 H7202CTA-RZP4	15	35	11	965	5	50000	77000	0.04
JHQ1 H7202CTA-RZP4	15	35	11	965	5	55000	87000	0.04
H71903CTA-RZP4	17	30	7	5.3	3.15	48000	70000	0.017
HQ1 H71903CTA-RZP4	17	30	7	5.3	3.15	53000	80000	0.01
JHQ1 H71903CTA-RZP4	17	30	7	5.3	3.15	62000	90000	0.017
H7003CTA-RZP4	17	35	10	8.65	4.9	43000	63000	0.037
HQ1 H7003CTA-RZP4	17	35	10	8.65	4.9	50000	75000	0.037
JHQ1 H7003CTA-RZP4	17	35	10	8.65	4.9	60000	85000	0.037
H7203CTA-RZP4	17	40	12	10.8	5.85	38000	56000	0.062
HQ1 H7203CTA-RZP4	17	40	12	10.8	5.85	43000	66000	0.059
JHQ1 H7203CTA-RZP4	17	40	12	10.8	5.85	48000	76000	0.059

Bearing Type	Angular Contact Ball Bearing
Model	H7201CTA-RZP4
Equivalent Model	HQ1H7201CTA-RZP4
Inner Diameter (d)	12 mm
Outer Diameter (D)	32 mm
Width (B)	10 mm
Precision Class	P4 (ABEC-7)
Contact Angle	15°
Cage Type	CTA Phenolic Cage
Seal Type	RZ (Low-Friction Rubber Seals)
Lubrication	High-speed grease (factory filled)
Primary Application	Engraving machine spindles, CNC spindles

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