H7001ctap4 High-Precision Spindle Angular Contact Ball Bearing

• Customization: Available
• Contact Angle: 15°
• Aligning: Aligning Bearing
• Model NO.: H7001CTAP4
• 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 H7001CTAP4 High-Precision Spindle Angular Contact Ball Bearing

(Custom configurations available upon request.)

Key Features
P4 (ABEC-7) Precision Class – for high-accuracy spindle systems
Angular Contact Design (15°) – supports combined radial and axial loads
CTA Phenolic Cage – lightweight, low noise, excellent high-speed stability
High Speed Capability – low friction and reduced heat generation
High Rigidity & Accuracy – improved machining precision
Suitable for Matched Sets – DB / DF / DT preload arrangements available

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

Bearing Type	Angular Contact Ball Bearing (Spindle Bearing)
Model	H7001CTAP4
Inner Diameter (d)	12 mm
Outer Diameter (D)	28 mm
Width (B)	8 mm
Precision Class	P4 (ABEC-7)
Contact Angle	15°
Cage Type	CTA Phenolic Cage
Seal Type	Open type (sealed version available on request)
Lubrication	High-speed grease / oil-air lubrication
Primary Application	CNC & engraving machine spindles

High-Precision Ceramic and Stainless Steel Bearings Manufacturer

The H71900 CTA-RZP4 (HQ1H71900CTA-RZP4) is a high-precision angular contact ball bearing specifically designed for high-speed spindle applications, such as engraving machines and CNC equipment.

Manufactured to P4 (ABEC-7) accuracy, this bearing ensures excellent rotational accuracy, low vibration, and minimal temperature rise, making it ideal for precision machining and fine engraving operations.

The bearing features a CTA phenolic cage, which provides low inertia and stable performance at high speeds.
The RZ low-friction seals offer effective contamination protection while maintaining high rotational speed capability.
With optimized internal geometry and contact angle, the bearing supports combined radial and axial loads with outstanding stiffness.

Specification

Bearing	Boundary dimensions			a=15°				a=25°
				Load ratings
						Limiting speeds		Load ratings
	d	D	B	Cr	Cor	Grease                    Oil		Cr	Cor
	MM			KN		R/min		KN
H71800CTAP4	10	19	5	1.8	1.1	75000	120000	1.7	1.1
H71900CTAP4	10	22	6	2.9	1.8	70000	110000	2.7	1.7
H7000CTAP4	10	26	8	4	2.4	67000	100000	3.8	2.3
H7200CTAP4	10	30	9	6.4	3.8	56000	85000	6.3	3.7
H71801CTAP4	12	21	5	2	1.4	70000	110000	1.9	1.3
H71901CTAP4	12	24	6	3.2	2.2	63000	95000	3.1	2.1
H7001CTAP4	12	28	8	5	3	60000	90000	4.8	2.8
H7201CTAP4	12	32	10	7.2	4.5	53000	80000	6.9	4.3
H71802CTAP4	15	24	5	2.2	1.8	60000	90000	2.1	1.7
H71902CTAP4	15	28	7	4.8	3.4	53000	80000	4.6	3.2
H7002CTAP4	15	32	9	5.3	3.3	50000	75000	5.1	3.1
H7202CTAP4	15	35	11	9.1	5.8	48000	70000	8.8	5.6
H71803CTAP4	17	26	5	2.3	1.9	53000	80000	2.1	1.8
H71903CTAP4	17	30	7	5.1	3.8	50000	75000	4.8	3.6
H7003CTAP4	17	35	10	6.7	4.9	45000	67000	6.4	4.7
H7203CTAP4	17	40	12	11.3	7.4	40000	60000	10.9	7.1
H71804CTAP4	20	32	7	3.9	3.4	45000	67000	3.7	3.2
H71904CTAP4	20	37	9	7.4	5.8	40000	60000	7	5.6
H7004CTAP4	20	42	12	9.6	6.3	38000	56000	9.2	6
H7204CTAP4	20	47	14	13.1	9.6	34000	50000	12.6	9.2
H71805CTAP4	25	37	7	4.2	4.1	38000	56000	3.9	3.9
H71905CTAP4	25	42	9	7.6	6.5	34000	50000	7.2	6.2
H7005CTAP4	25	47	12	12.9	8.7	34000	50000	12.3	8.3
H7205CTAP4	25	52	15	16.8	13.'	30000	45000	16.1	12.5
H71806CTAP4	30	42	7	4.4	4.8	32000	48000	4.1	4.5
H71906CTAP4	30	47	9	8	7.6	30000	45000	7.6	7.2
H7006CTAP4	30	55	13	15.7	11..6	28000	43000	14.9	10.9
H7206CTAP4	30	62	16	23.4	18.8	24000	38000	22.3	18
H71807CTAP4	35	47	7	4.6	5.5	26000	40000	4.3	5.2
H71907CTAP4	35	55	10	11	10.9	26000	40000	10.4	10.3
H7007CTAP4	35	62	14	19.3	17.5	20000	34000	18.3	16.6
H7207CTAP4	35	72	17	25.8	22.9	18000	30000	24.5	21.9
H71808CTAP4	40	52	7	4.8	6.2	24000	38000	4.5	5.8
H71908CTAP4	40	62	12	14	14.2	20000	34000	13.3	13.5
H7008CTAP4	40	68	15	19.9	19.1	19000	32000	18.9	18.2
H7208CTAP4	40	80	18	34.1	30.9	17000	28000	32.5	29.5
H71809CTAP4	45	58	7	4.9	6.7	20000	34000	4.6	6.3
H71909CTAP4	45	68	12	14.7	16.1	18000	30000	13.9	15.2

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