Insert Ball Bearing OEM/ODM

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About FTM
Shaoxing Shangyu Flight Seiko Machinery Co., Ltd. Shaoxing Shangyu Flight Seiko Machinery Co., Ltd.
"Spin eternity, inherit excellence, and create the future together."

Shaoxing Shangyu Flight Seiko Machinery Co., Ltd. (FTM), founded in 2006, is a professional China Insert Ball Bearing Manufacturers and OEM/ODM Insert Ball Bearing Suppliers.And it an enterprise focusing on the R&D, manufacturing and customization of non-standard bearings, high-precision bearings (import substitution) and bearing accessories and mechanical parts. With more than 30 years of technical design experience, FTM has earned reputation in the field of high-quality bearings. Our professional technical team provides domestic and foreign customers with high-quality bearing solutions in engineering machinery, textile machinery and other fields.

Relying on years of professional manufacturing and technical skills, FTM actively introduces advanced CNC machine tools from Japan to ensure product processing accuracy and stability. In addition, FTM bearing product research is guided by a doctor of tribology. We adhere to the corporate philosophy of innovation and development, and our products are exported to many countries and regions around the world. We have long been supporting and producing various types of bearings for many world-renowned companies, maintaining good production relationships. Rotate forever, inherit excellence, and create the future together. Choose FTM, and we will be your choice for bearing solutions.

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Insert Ball Bearing Industry knowledge

1.How are insert ball bearings designed to handle radial and axial loads simultaneously?
Insert ball bearings, also known as radial insert ball bearings or Y-bearings, are specifically designed to handle both radial and axial loads simultaneously. 
Concentricity of Bearing and Housing:
Insert ball bearings are designed to fit snugly into a corresponding housing, ensuring proper alignment between the inner race of the bearing and the shaft. This concentricity helps distribute radial loads evenly across the bearing.
Spherical Outer Ring:
Unlike traditional ball bearings with flat outer races, insert ball bearings feature a spherical outer ring. This design allows the bearing to accommodate misalignment between the shaft and the housing, which can occur due to shaft deflection or housing misalignment. The spherical outer ring also helps distribute axial loads evenly across the bearing.
Self-Aligning Capability:
The spherical outer ring provides the insert ball bearing with self-aligning capability. This means that the bearing can adjust to minor misalignments between the shaft and the housing during operation, reducing the risk of premature wear and damage.
Ball Bearings and Raceway Design:
Insert ball bearings typically have deep groove ball bearings incorporated into their design. These ball bearings are arranged in a specific pattern within the bearing to efficiently distribute both radial and axial loads. Additionally, the raceways of the bearing are designed to accommodate these ball bearings and facilitate smooth rotation under load.
Sealing and Lubrication:
Proper sealing and lubrication are crucial for ensuring the longevity and performance of insert ball bearings under combined radial and axial loads. Seals help prevent contaminants from entering the bearing, while lubrication reduces friction and dissipates heat. This ensures smooth operation and minimizes wear, even under challenging operating conditions.

2.What types of seals and lubricants are commonly used in insert ball bearings?
Several types of seals and lubricants are commonly used in insert ball bearings to ensure proper operation and longevity. 
Rubber Seals (RS or 2RS): Rubber seals provide effective protection against contaminants such as dust, dirt, and moisture. They are commonly used in insert ball bearings for general-purpose applications where moderate sealing performance is sufficient.
Metal Shields (ZZ or 2Z): Metal shields provide enhanced protection against larger particles and moderate levels of contamination. They are suitable for applications where additional shielding is required without sacrificing too much friction.
Non-Contact Seals (LLU or 2RS1): Non-contact seals, often made of synthetic rubber or polyamide, create a minimal contact seal with the inner ring, reducing friction and extending bearing life. They offer excellent protection against contamination while maintaining low torque characteristics.
Labyrinth Seals: Labyrinth seals consist of intricate pathways that obstruct the entry of contaminants. They are highly effective in environments with high levels of contamination or where frequent maintenance is not feasible.
Felt Seals: Felt seals provide basic protection against contamination and are commonly used in low-speed applications where cost-effectiveness is prioritized over advanced sealing performance.
Grease: Grease is the most common lubricant used in insert ball bearings. It consists of a base oil thickened with a soap or non-soap agent to enhance its viscosity and adhesion properties. Grease provides excellent lubrication and sealing properties, reducing friction and preventing metal-to-metal contact between bearing components.
Oil: Oil lubrication is less common in insert ball bearings but may be used in high-speed or high-temperature applications where grease may not perform optimally. Oil lubrication offers superior heat dissipation and can provide better performance under extreme operating conditions.
Solid Lubricants: Solid lubricants, such as graphite or molybdenum disulfide, may be added to grease or used as coatings on bearing surfaces to reduce friction and wear. Solid lubricants are particularly beneficial in applications with heavy loads or where lubricant replenishment is challenging.

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