Four Point Angle Contact Ball Bearing

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

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Product Details
FAQS
Why Choose Us

Features and Applications of Extra Light Duty Super Precision Four-Point Contact Ball Bearings

Features:

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.

Bearing type		Boundary Dimensions (mm)				Load Rating (KN)	Speed Rating (r/min)		Weight (Kg)
New Model	Old Model	d	D	B	rmin	Load Rating (KN)	Grease	Oil	Weight (Kg)
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
QJ1030X1	176730	150	224.5	35	2.1	171	1600	2200	4.92
QJ1030	176130	150	225	35	2.1	171	1600	2200	4.92
QJ230	176230	150	270	45	3	235	1400	1900	12.4
QJ1032X1	176732	160	239.5	38	2.1	220	1500	2000	6.36
QJ1032	176132	160	240	38	2.1	220	1500	2000	6.36
QJ232	176232	160	290	48	3	276	1300	1800	14.7
QJ1034X1	176734	170	259.5	42	2.1	224	1400	1900	8.3
QJ1034	176134	170	260	42	2.1	224	1400	1900	8.33
QJ234	176234	170	310	52	4	297	1200	1700	18.1
QJ1036X1	176736	180	279.5	46	2.1	250	1200	1600	9.3
QJ1036	176136	180	280	46	2.1	250	1200	1600	11
QJ236	176236	180	320	52	4	304	1100	1500	18.87
QJ1038X1	176738	190	289.5	46	2.1	256	1100	1500	11.4
QJ1038	176138	190	290	46	2.1	256	1100	1500	11.4
QJ238	176238	190	340	55	4	346	1000	1400	22.7
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
QJ1060	176160	300	460	74	4	630	700	950	42
QJ1864	176864	320	440	65	4	358	700	950	30.7
QJ1064X1	176764	320	479.5	74	4	650	650	850	49.5
QJ1064	176164	320	480	74	4	650	650	850	50
QJ1068	176168	340	520	82	5	600	680	940	67.5
–	176741	205	282	38	2.1	145	1800	2900	7.4
–	176754	270	399.5	60	4	300	860	1150	27

1. What types of bearings do you offer?

We provide a wide range of bearings, including ball bearings, roller bearings, deep groove ball bearings, angular contact bearings, cylindrical roller bearings, self-aligning bearings, thrust bearings, needle bearings, and more. We also specialize in ceramic, hybrid, and custom-designed bearings.

2. Do you offer customized bearing solutions?

Yes, we provide OEM and custom bearing production services tailored to your specific needs. Share your requirements with us, and our expert team will help you design and manufacture the perfect bearing solution.

3. What materials are used in your bearings?

Our bearings are manufactured using high-quality materials such as Gcr15, stainless steel (304, 316, 440C), silicon nitride (Si3N4), zirconia (ZrO₂), PEEK, PTFE, and other advanced materials to ensure durability, precision, and reliability in various applications.

4. Can you provide samples before placing a bulk order?

Yes, we offer sample bearings for testing and evaluation. Please contact us with your sample request, and we’ll be happy to assist you.

5. What industries do you serve?

We cater to a diverse range of industries, including automotive, aerospace, agriculture, machinery, food processing, medical equipment, industrial automation, and renewable energy.

6. Do you export your products?

Yes, we export bearings worldwide, including to Europe, North America, Asia, and other regions. Our products comply with international quality standards and have been well-received by customers globally.

7. What is your minimum order quantity (MOQ)?

Our MOQ varies depending on the product type and customization requirements. For standard products, we offer flexible MOQ options. Contact us for details specific to your needs.

8. What is your production lead time?

Lead times depend on the type of bearing and order quantity. Standard bearings are typically ready for shipment within 2-4 weeks, while customized orders may take longer. We strive to deliver orders promptly to meet your deadlines.

9. How do you ensure product quality?

Our bearings are manufactured under strict quality control measures, including ISO certifications, precision testing, and rigorous inspections. Each product is tested to ensure compliance with international standards.

10. What payment methods do you accept?

We accept multiple payment methods, including wire transfer (T/T), PayPal, and credit cards. Contact our sales team for further assistance regarding payment options.

11. Do you provide technical support?

Yes, our experienced team offers technical support and guidance to help you choose the right bearing for your application. We’re also available for after-sales service and maintenance inquiries.

12. How can I place an order?

You can place an order by contacting us through our website, email, or phone. Our sales team will guide you through the process and ensure a seamless transaction.

13. Can I track my shipment?

Yes, once your order is shipped, we will provide a tracking number and details to help you monitor your shipment until it arrives at your destination.

14. What is your return policy?

We accept returns for defective or damaged bearings within a specified timeframe. Please review our return policy or contact our customer service team for assistance.

15. How can I contact you for more information?

You can reach us via email, phone, or through the contact form on our website. Visit our Contact Us page for detailed information.

1. Extensive Experience

With over a decade of expertise in the bearing industry, we have established ourselves as a trusted supplier delivering high-quality products to clients worldwide.

2. Premium Quality

Our bearings are manufactured using top-grade materials and cutting-edge technology, ensuring durability, precision, and compliance with international standards like ISO and ANSI.

3. Wide Product Range

We offer a comprehensive selection of bearings, including ball bearings, roller bearings, ceramic bearings, hybrid bearings, and custom-designed solutions to meet the diverse needs of our customers.

4. Customization and OEM Services

We specialize in custom manufacturing and OEM services tailored to your unique requirements. Share your specifications, and we’ll create the perfect solution for your application.

5. Competitive Pricing

As a direct manufacturer, we offer competitive pricing without compromising on quality, ensuring exceptional value for our customers.

6. Global Reach

Our bearings are trusted by clients in Europe, North America, Asia, and beyond. We have a well-established global logistics network to deliver products efficiently and on time.

7. Technical Expertise and Support

Our professional team provides technical guidance to help you select the right bearing for your application. We also offer excellent after-sales support for maintenance and troubleshooting.

8. Strict Quality Control

Every bearing undergoes rigorous testing and inspection to ensure optimal performance and reliability in demanding environments.

9. Environmentally Friendly Manufacturing

We are committed to sustainability, using eco-friendly processes and materials to reduce our environmental impact while maintaining product excellence.

10. Customer-Centric Approach

Your satisfaction is our top priority. We build lasting partnerships with our clients by providing exceptional service, quick responses, and tailored solutions.

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Angular contact bearing/