Series 74-Single Row Angular Contact Ball Bearings OEM/ODM


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Series 74-Single Row Angular Contact Ball Bearings

  • Design Variants
  • Misalignment
  • Cage
  • Tolerance
  • Internal clearance
r1,r2 Min r3,r4 Min Dynamic load Cr Static load Cor Grease lubrication Oil lubrication Weight
1.5 0.6 70 42.2 6300 8500 0.933
2 1 73.6 49.7 6000 8000 1.41
2 1 57.2 45.3 6000 8000 1.4
2 1 87 55 5300 7000 1.77
2.1 1.1 132 95.3 4300 5600 3.55
2.1 1.1 118 86.3 4300 5600 3.56
3 1.1 150 131 3600 4800 5.22
7416 AC
3 1.1 182 170 3200 4300 8.72
4 1.5 233 214 2600 3600 12.2

Ningbo DHK Precision Bearing Co., Ltd.

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    Patented Technology

Ningbo DHK Precision Bearing Co., Ltd. (“DHK” for short) is a specialist enterprise engaged in the R&D, manufacture and sales of bearings. Is a famous China Series 74-Single Row Angular Contact Ball Bearings Factory and OEM/ODM Series 74-Single Row Angular Contact Ball Bearings Company. And is located in Ningbo Zhenhai Economic Development Zone with convenient transportation. Since the establishment for over a decade, "technology", "quality" and "service" have always been the initial issues in our mind for the sake of development. We provide reliable products and special customized services for global enterprises in heavy industry and have got the Satisfaction and won good reputation of a number of enterprises at home and abroad.

DHK mainly produces cylindrical roller bearings, conical roller bearings, self-aligning roller bearings, ball bearings, as well as various kinds of non-standard bearings and bearings with specially treated surface. So far, DHK’s bearings have been widely applied in such fields as engineering machinery, industrial pump, machine tool, compression engine, gear case, wind power and metallurgy in developed European and American countries.

DHK has the measuring room and inspection room of bearings in the industry and has introduced top-end inspection equipment worldwide and established the QC system in China,thus guaranteeing product quality in an all-round way.


DHK has passed IATF16949 quality system certification and ISO14001 environmental management system certification;and DHK is a national high-tech enterprise.

  • Certificate
  • Environmental Managementsystem Certificate
  • Occupational Health And Safetymanagement System Certificate
  • Measurement Management System
  • Invention patent1
  • Invention patent2
  • Invention patent3
  • High-tech enterprises

Latest News

Industry Knowledge Expansion

1. Versatility Across Industries of Series 74 Single Row Angular Contact Ball Bearings
Series 74 Single Row Angular Contact Ball Bearings exemplify versatility, serving as vital components across a myriad of industries. Their adaptability stems from a combination of robust design, precise engineering, and exceptional performance characteristics. In automotive applications, Series 74 bearings find use in wheel hubs, transmission systems, and steering mechanisms, where their ability to withstand heavy loads and high speeds ensures reliable operation and safety. Similarly, in the aerospace sector, these bearings are employed in critical aircraft components such as landing gear assemblies and engine systems, where their precision and durability are paramount for ensuring flight safety and performance. Beyond traditional sectors, Series 74 bearings have also carved a niche in emerging industries such as renewable energy and electric vehicles. In wind turbines, for instance, they facilitate smooth rotation of rotor blades under varying wind conditions, contributing to the efficiency and reliability of renewable energy generation. Similarly, in electric vehicle drivetrains, these bearings support the transmission of power from the motor to the wheels, enabling seamless propulsion while withstanding the rigorous demands of acceleration and deceleration. The versatility of Series 74 bearings extends further into medical equipment, where their precision and reliability are critical for the smooth operation of diagnostic and therapeutic devices. From MRI machines to surgical robots, these bearings play a pivotal role in ensuring precision motion control, thereby enhancing patient outcomes and the efficacy of medical procedures. Their compatibility with sterilization protocols and ability to operate in sterile environments make them indispensable in medical applications where hygiene is paramount.

2. Enhanced Axial Load Capacity
One of the hallmark features of Series 74 Single Row Angular Contact Ball Bearings is their remarkable axial load capacity, which sets them apart from conventional ball bearings. This enhanced capability is attributed to their unique design, wherein the contact angle between the ball and raceway is optimized to distribute axial loads evenly across the bearing assembly. By efficiently distributing axial loads, Series 74 bearings minimize stress concentrations and prevent premature wear, thereby extending the service life of machinery and equipment. This feature is particularly advantageous in applications involving combined radial and axial loads, such as machine tools, conveyor systems, and gearboxes, where conventional bearings may falter under the demanding operating conditions. The enhanced axial load capacity of Series 74 bearings enables engineers to design more compact and lightweight systems without compromising performance or reliability. This not only reduces material and manufacturing costs but also enhances the overall efficiency and functionality of machinery and equipment across various industries. The ability of Series 74 bearings to accommodate higher axial loads opens up new possibilities for design optimization and innovation. Engineers can leverage this capability to enhance the performance of existing systems or develop entirely new solutions that push the boundaries of what is achievable in terms of speed, load capacity, and precision.