Bearing B71903-C-T-P4S-UL FAG



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Product detailed description
bearing B71903-C-T-P4S-UL FAG: High-Precision Angular Contact Ball Bearing
The bearing B71903-C-T-P4S-UL FAG is a premium angular contact ball bearing designed for applications requiring exceptional precision and reliability. Manufactured by FAG, a globally recognized leader in bearing technology, this model is engineered to deliver outstanding performance in demanding industrial environments.
Specifically designed for high-speed operations, the B71903-C-T-P4S-UL FAG features an optimized internal design and high-quality materials that ensure durability and long service life. Its ultra-light (UL) configuration reduces weight without compromising strength, making it ideal for applications where minimizing inertia is critical.
Key Features and Benefits
- Designation: B71903-C-T-P4S-UL FAG
- Bearing Type: Angular Contact Ball Bearing
- Precision Class: P4S (Super Precision)
- Contact Angle: Typically 40°, optimized for combined radial and axial loads
- Seal Type: C (Contact seal on one side)
- Material: High-grade bearing steel for enhanced wear resistance
- Ultra-Light (UL): Reduced mass for improved dynamic response
- Performance: High rotational speeds with superior accuracy and low noise
Dimensions and Specifications
The bearing B71903-C-T-P4S-UL FAG has precise dimensions that make it suitable for incorporation into machinery requiring tight tolerances. The key dimensions are as follows:
- Inside Diameter (Bore): 17 mm
- Outside Diameter: 30 mm
- Width: 7 mm
These dimensions conform to the standard 71903 bearing series, ensuring compatibility with a wide range of mechanical assemblies.
Applications
The B71903-C-T-P4S-UL FAG bearing is widely used in sectors such as:
- Machine tool spindles
- Aerospace equipment
- Precision measuring instruments
- Robotics and automation systems
- High-speed motors and pumps
Its ability to handle combined axial and radial loads at high speeds makes it an excellent choice for applications demanding precise rotational accuracy and long-term operational stability.
Why Choose the B71903-C-T-P4S-UL FAG Bearing?
Choosing the bearing B71903-C-T-P4S-UL FAG means investing in a high-quality component that enhances the reliability and efficiency of your machinery. Its advanced design and superior materials reduce maintenance needs and downtime, offering excellent value over the product lifecycle.
Whether you need a bearing for a new equipment build or a replacement part, the B71903-C-T-P4S-UL FAG stands out as a smart solution for precision and performance.

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FAG Bearings and Transmission Technology Manufacturer
About FAG
FAG is a globally recognized manufacturer specializing in high-precision bearings and advanced transmission technology. Founded in 1883 in Schweinfurt, Germany, FAG has built a reputation for innovation, quality, and durability in the field of rolling bearings and related components. As part of the Schaeffler Group since 2001, FAG continues to leverage cutting-edge engineering to serve a broad range of industries worldwide.
Company History
FAG was established by Friedrich Fischer, an innovator who developed the first ball grinding machine in 1883, revolutionizing the bearing industry. The name FAG stands for Fischers Aktien-Gesellschaft. Over more than a century, the company expanded from producing simple ball bearings to an extensive product portfolio addressing diverse industrial needs. Throughout its history, FAG has been synonymous with precision technology, driving advancements in bearing development and quality standards.
Product Range
FAG offers an extensive selection of products known for reliability and performance, including:
- Ball Bearings: Deep groove, angular contact, and thrust ball bearings designed for various load conditions.
- Roller Bearings: Cylindrical, spherical, and tapered roller bearings for high load capacities.
- Precision Bearings: Bearings optimized for high-speed and high-accuracy applications.
- Transmission Technology: Products such as clutches, synchronizers, and other drivetrain components.
- Maintenance and Diagnostic Tools: To ensure optimal bearing performance and longevity.
Main Focus and Technologies
FAG focuses on developing bearing solutions that enhance machine efficiency, reduce friction, and extend service life. The company integrates advanced materials, innovative manufacturing processes, and digital monitoring systems to produce state-of-the-art components. Key technological highlights include:
- High-Precision Bearings: Manufactured with exacting tolerances for aerospace, automotive, and industrial machinery.
- Condition Monitoring: Sensor-equipped bearings and smart systems for predictive maintenance.
- Specialized Lubrication Solutions: To maximize durability and minimize downtime.
Application Areas
FAG's products are utilized in numerous industries, including:
- Automotive Industry: Engine, transmission, and chassis components relying on precision bearings.
- Aerospace: Bearings designed for demanding environments and high-speed applications.
- Industrial Machinery: Heavy-duty bearings for manufacturing and production equipment.
- Energy Sector: Bearings for wind turbines, power generation, and mining machinery.
- Railways and Transportation: Robust solutions for trains and commercial vehicles.
Company Headquarters
The headquarters of FAG is located in Schweinfurt, Germany, maintaining its strong historical roots. The location is a central hub for design, manufacturing, research, and global distribution activities.