Premium Four Point Angle Contact Bearing for Extended Durability

• Customization: Available
• Contact Angle: 15°
• Aligning: Aligning Bearing
• Model NO.: QJ1018
• 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
• Package Size: 10.00cm * 2.00cm * 10.00cm
• Package Gross Weight: 0.020kg

Product Description

Key Features of Four Point Angle Contact Ball Bearing

(Custom configurations available upon request.)

Compact Design:
The extra light-duty construction allows for efficient use in space-constrained applications without compromising load capacity.
Four-Point Contact Geometry:
The unique design provides simultaneous contact on four points, enabling excellent handling of combined axial and radial loads.
High Precision:
Manufactured to super-precision standards (ABEC-5 and ABEC-7), ensuring minimal friction and exceptional rotational accuracy.
Material Excellence:
Made from premium materials such as high-carbon chromium steel (GCr15), stainless steel, or hybrid ceramic for enhanced durability and resistance to wear.
Low Friction and Smooth Operation:
Optimized for minimal frictional torque, providing higher efficiency and reduced energy consumption.
High-Speed Performance:
Designed for operations at high rotational speeds while maintaining stability and reliability.
Temperature Tolerance:
Operates efficiently in a broad temperature range (-40°C to +150°C), making it versatile for various environments.
Versatile Lubrication Options:
Available with grease or oil lubrication, including dry film lubrication for specialized needs.
 
 
Applications:
Aerospace and Defense:
Ideal for use in gyroscopic systems, flight control mechanisms, and satellite systems due to their high precision and load-handling capabilities.
Medical Devices:
Utilized in high-speed medical instruments such as scanners and surgical robots where precision and compact size are critical.
Automotive Sector:
Applied in performance engines, turbochargers, and transmissions for their lightweight and efficient design.
Machine Tools:
Suitable for precision machinery and robotics, ensuring smooth and accurate performance in automated systems.
Renewable Energy:
Used in wind turbines and solar tracking systems to enhance durability and performance under varying loads.
Packaging and Printing:
Offers superior reliability in high-speed packaging and printing equipment.

 

Material	Chrome Steel (GCr15), Stainless Steel (440C), or Hybrid Ceramic
Bore Diameter Range	10 mm to 50 mm
Outer Diameter Range	30 mm to 80 mm
Width Range	5 mm to 15 mm
Contact Angle	35° to 45°
Load Capacity	Optimized for axial and light radial loads
Speed Rating	Up to 15,000 RPM
Cage Material	Nylon (PA66), Steel, or Brass
Lubrication	Grease, Oil, or Dry Lubrication
Seal Type	Open or Sealed (2RS)
Operating Temperature	-40°C to +150°C
Accuracy Grade	ABEC-5, ABEC-7

Bearing type		Boundary Dimensions (mm)				Load Rating (KN)	Speed Rating (r/min)		Weight (Kg)
New Model	Old Model	d	D	B	rmin		Grease	Oil
QJ1018X1	176718	90	139.5	24	1.5	74	2900	3900	1.38
QJ1018	176118	90	140	24	1.5	74	2900	3900	1.38
QJ218	176218	90	160	30	2	120	2600	3600	2.72
QJ1020X1	176720	100	149.5	24	1.5	78	2600	3600	1.54
QJ1020	176120	100	150	24	1.5	78	2600	3600	1.54
QJ220	176220	100	180	34	2.1	131	2400	3400	3.9
QJ1022X1	176722	110	169.5	28	2	109	2300	3100	2.35
QJ1022	176122	110	170	28	2	109	2300	3100	2.35
QJ222	176222	110	200	38	2.1	163	2000	3000	4.84
QJ1024X1	176724	120	179.5	28	2	114	2100	2900	2.59
QJ1024	176124	120	180	28	2	114	2100	2900	2.2
QJ224	176224	120	215	40	2.1	189	1800	2600	6.93
QJ1026X1	176726	130	199.5	33	2	146	1900	2800	4
QJ1026	176126	130	200	33	2	146	1900	2800	4
QJ226	176226	130	230	40	3	199	1700	2400	8.2
QJ1028X1	176728	140	209.5	33	2	158	1800	2400	4.21
QJ1028	176128	140	210	33	2	158	1800	2400	4.21
QJ228	176228	140	250	42	3	221	1500	2000	10.5

QJ1040X1	176740	200	309.5	51	2.1	304	1000	1400	14.75
QJ1040	176140	200	310	51	2.1	304	1000	1400	15
QJ240	176240	200	360	58	4	393	900	1300	26.93
QJ1844	176844	220	300	60	3	161	1000	1400	12.94
QJ1944X1	176944	220	309.5	60	3	214	1000	1400	14.74
QJ1044X1	176744	220	339.5	56	3	448	1000	1400	18
QJ1044	176144	220	340	56	3	448	1000	1400	18
–	176144K	220	309.5	60	2.1	235	1060	1400	14.74
QJ1048X3	176748K	240	329.5	60	3	227	1000	1400	15.3
QJ1848	176848	240	340	60	4	268	950	1300	18
QJ1048X1	176748	240	359.5	56	3	458	950	1300	21
QJ1048	176148	240	360	56	3	458	950	1300	21
QJ1952X1	176952	260	369.5	60	4	293	950	1300	21.4
QJ1052X1	176752	260	399.5	65	4	510	850	1200	31
QJ1052	176152	260	400	65	4	510	850	1200	29.5
QJ1856	176856	280	275	65	4	235	850	1200	21
QJ1056X1	176756	280	389.5	65	4	540	800	1000	32.9
QJ1056	176156	280	420	65	4	540	800	1000	33.5
QJ1860	176860	300	420	65	4	353	800	1000	29.1
QJ1060X1	176760	300	459.5	74	4	630	700	950	41.8

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