Product Description


Product Description

Bicycle headsetAngular Contact Bearing(ACB)is application for 1″, 1-1/8″, 1-1/4″ and 1-1/2″internal & semi-intergrated headsets.

Bicycle Brand: Cannondale;Giant;Kona;Marin;Niner;Pivot;Scott;Specialized;Trek;Yeti.etc

Item No.:  MH-P08

Type: Bicycle headset Bearing

Material: chrome steel GCr15 / AISI52100.

Bore diameter: 30.15mm Outer diameter : 41.8mm Width(Height/Thickness):6.5mm

Size: 30.15*41.8*6.5mm

Cage/retainer : Nylon PA66+25%GF.
Seal : rubber seal, double-sealed.

Balls: chrome steel GCr15 / AISI52100.

Lubrication: Mobil XHP-222 or HTHS #2.



Item No. Bore diameter
Outer diameter
MH-P08 30.15 41.8 6.5 2 Rubber seals(NBR)


Detailed Photos



   Our company provides high-precision homemade bearing of ordinary material, including deep groove ball bearing and full complement cylindrical roller bearings.
 The material refers to high-quality bearing steel, thermal treatment technology is put under strict control, and it is CZPT to carry out cryogenic treatment. And full complement cylindrical roller bearings adopts advanced roller CZPT for thermal treatment. Other technologies are all processed by full-automatic and semiautomatic equipment, and the production technology and quality control are arranged as per P5 precision. It products widely support home and abroad manufacturers of electric tools, mechanical equipment, automobile components, etc.

Manufacture Equipment


Company Profile


 HangZhou WOLEE induststial Co., Ltd. was founded in 2015. It is a professional company which engages in import and export of industrial components and is a professional production base with joint stocks.

 The company mainly operates bearings and other industrial components such as chain, CZPT rail, gear and micro gearbox. Its products are widely used in the fields of metallurgy, mining, papermaking, petrochemical, power, railway, aviation, cement, textile, machinery, etc., it has lots of clients among these fields and has accumulated rich experience to meet different demands of all sectors. At present, its trade scale expands increasingly, its clients are all across the world, and it wins the trust of home and abroad clients by virtue of good reputation.

 The company adheres to the tenet of “people first, quality first, credit first and reputation first” and provides each client with top service.

 It heartily hopes to join hands with you to create a wonderful world.

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Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
US$ 10/Piece
1 Piece(Min.Order)


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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

deep groove ball bearing

How do deep groove ball bearings contribute to the smooth operation of electric motors?

Deep groove ball bearings play a crucial role in ensuring the smooth operation of electric motors. Their specific design features and capabilities contribute to the overall performance and efficiency of electric motors. Here’s a detailed explanation of how deep groove ball bearings contribute to the smooth operation of electric motors:

  • Reduced Friction:
  • Deep groove ball bearings are designed to minimize friction between the rotating components of an electric motor. The smooth rolling motion of the steel balls within the deep raceway reduces frictional resistance, resulting in less energy loss and efficient power transmission. This leads to smoother operation and improved overall motor performance.

  • Low Noise and Vibration:
  • Deep groove ball bearings help dampen vibrations and reduce noise generation in electric motors. The precise alignment of the inner and outer rings, combined with the smooth rolling motion of the balls, minimizes vibrations that can cause noise. This results in quieter motor operation, which is particularly important in applications where noise reduction is desired, such as in household appliances or office equipment.

  • High-Speed Capability:
  • Electric motors often require high-speed rotation to achieve efficient performance. Deep groove ball bearings are designed to handle high rotational speeds, allowing electric motors to operate at their intended speeds without compromising performance or reliability. The smooth and continuous rolling motion of the balls within the deep raceway enables the motor to achieve and maintain high speeds with minimal friction and heat generation.

  • Radial Load Support:
  • Deep groove ball bearings are capable of supporting both radial and axial loads. In electric motors, radial loads are common due to the weight and forces exerted on the rotating shaft. Deep groove ball bearings efficiently transmit and distribute these radial loads, providing support and stability to the motor’s rotating components. This ensures smooth and balanced operation, reducing the risk of premature wear or damage to the motor’s internal parts.

  • Long Service Life:
  • Deep groove ball bearings are designed for durability and long service life in electric motors. They are typically manufactured using high-quality materials and precision engineering techniques. This results in bearings that can withstand continuous operation, high-speed rotation, and various operating conditions without significant wear or performance degradation. The long service life of deep groove ball bearings contributes to the smooth and reliable operation of electric motors over extended periods.

  • Versatility and Availability:
  • Deep groove ball bearings are available in a wide range of sizes, configurations, and materials to suit different electric motor designs and applications. This versatility allows motor manufacturers to select the most appropriate bearing based on factors such as load requirements, speed capabilities, and operating conditions. The availability of deep groove ball bearings from numerous suppliers ensures easy sourcing and replacement options, further contributing to the smooth operation of electric motors.

In summary, deep groove ball bearings contribute to the smooth operation of electric motors through reduced friction, low noise and vibration levels, high-speed capability, effective support of radial loads, long service life, versatility, and availability. By incorporating deep groove ball bearings into electric motor designs, manufacturers can optimize performance, efficiency, and reliability, resulting in smooth and trouble-free motor operation in a wide range of applications.

deep groove ball bearing

What advantages do deep groove ball bearings offer compared to other types of bearings?

Deep groove ball bearings offer several advantages compared to other types of bearings, making them a popular choice for many applications. Here’s a detailed explanation of the advantages of deep groove ball bearings:

  • Versatility:
  • Deep groove ball bearings are highly versatile and can accommodate both radial and axial loads. This versatility allows them to be used in a wide range of applications, eliminating the need for multiple specialized bearings. Their ability to handle different load types simplifies inventory management and reduces the complexity of bearing selection.

  • High-Speed Performance:
  • Deep groove ball bearings are designed for high-speed operation. The smooth, low-friction rolling contact between the steel balls and the raceway grooves enables them to rotate at high speeds with minimal heat generation. This makes them suitable for applications that require fast rotational speeds, such as electric motors, turbines, and machine tool spindles.

  • Low Friction and Energy Efficiency:
  • Deep groove ball bearings offer low-friction operation due to the rolling contact between the balls and the raceway grooves. This results in reduced energy losses due to friction, making the bearings more energy-efficient. The low-friction characteristics contribute to improved system efficiency, reduced power consumption, and longer operating life.

  • Quiet and Smooth Operation:
  • Deep groove ball bearings provide quiet and smooth operation. The rolling contact between the balls and the raceway grooves produces less noise and vibration compared to other types of bearings. This makes deep groove ball bearings suitable for applications that require low-noise operation, such as household appliances, office equipment, and precision machinery.

  • Simple and Cost-Effective Installation:
  • Deep groove ball bearings are relatively easy to install and require minimal additional components. They can be easily mounted on shafts or in housing units using standard bearing mounting methods. This simplicity and ease of installation contribute to cost savings in terms of labor and equipment required for installation.

  • Wide Availability and Standardization:
  • Deep groove ball bearings are widely available and come in standardized sizes and configurations. This standardization simplifies the replacement process, as bearings with the same specifications can be easily sourced from various manufacturers. The wide availability and standardization of deep groove ball bearings contribute to shorter lead times, reduced downtime, and increased equipment availability.

In summary, deep groove ball bearings offer advantages such as versatility, high-speed performance, low friction, energy efficiency, quiet operation, simplicity of installation, and wide availability. These advantages make deep groove ball bearings a preferred choice in various applications across industries.

deep groove ball bearing

Can you provide insights into recent advancements in deep groove ball bearing technology?

Recent years have seen several advancements in deep groove ball bearing technology, driven by the constant pursuit of improved performance, durability, and efficiency. These advancements have been made possible through innovations in materials, manufacturing processes, and design techniques. Here are some insights into the recent advancements in deep groove ball bearing technology:

  • Advanced Materials:
  • New materials and alloys have been developed to enhance the performance of deep groove ball bearings. For example, the use of high-performance steels and ceramics has gained popularity. These materials offer enhanced strength, corrosion resistance, and high-temperature capabilities, allowing deep groove ball bearings to operate in demanding environments with improved reliability and longevity.

  • Surface Engineering and Coatings:
  • Advancements in surface engineering and coatings have contributed to the performance of deep groove ball bearings. Innovative coating technologies such as diamond-like carbon (DLC) coatings and various nano-coatings can reduce friction, improve wear resistance, and enhance the overall efficiency of bearings. These coatings also provide protection against contaminants and extend the bearing’s operating life.

  • Improved Manufacturing Processes:
  • Manufacturing techniques have been refined to achieve higher precision and quality in deep groove ball bearings. Advanced machining processes, such as precision grinding and superfinishing, enable tighter tolerances and smoother surface finishes. This results in improved bearing performance, reduced noise levels, and enhanced operational efficiency.

  • Design Optimization:
  • Design optimization has played a significant role in recent advancements in deep groove ball bearing technology. Computer-aided design (CAD) and finite element analysis (FEA) tools have enabled engineers to optimize bearing geometries, load distribution, and cage designs. These advancements have led to improved load-carrying capacity, reduced friction, and enhanced overall performance of deep groove ball bearings.

  • Sealing and Lubrication:
  • Advancements in sealing and lubrication technologies have improved the reliability and maintenance requirements of deep groove ball bearings. Effective sealing mechanisms, such as contact seals or non-contact seals, provide better protection against contamination and moisture ingress, extending the bearing’s service life. Additionally, advancements in lubrication techniques, such as the use of advanced greases and solid lubricants, enhance the bearing’s efficiency and reduce friction.

  • Sensor Integration:
  • Integration of sensors within deep groove ball bearings has emerged as a recent advancement. These sensors can monitor various parameters, such as temperature, vibration, and load, providing real-time data on bearing health and performance. This enables proactive maintenance and condition monitoring, allowing for timely interventions and preventing potential failures.

In summary, recent advancements in deep groove ball bearing technology have focused on the development of advanced materials, surface engineering and coatings, improved manufacturing processes, design optimization, sealing and lubrication techniques, as well as sensor integration. These advancements have resulted in deep groove ball bearings with enhanced performance, durability, and efficiency. As a result, industries across various sectors can benefit from these advancements, experiencing improved reliability, reduced maintenance, and optimized operational performance.

China Custom Spare Parts Axial Angular Ball Bearings for Bicycles Mh-P08 Headset Bearing   with Best SalesChina Custom Spare Parts Axial Angular Ball Bearings for Bicycles Mh-P08 Headset Bearing   with Best Sales
editor by CX 2024-02-19