Bearing 7312 B KOYO



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Product detailed description
Bearing 7312 B KOYO – High-Performance Angular Contact Bearing
The 7312 B KOYO is a premium angular contact ball bearing designed for applications requiring high precision, reliability, and durability. Manufactured by KOYO, a globally recognized leader in bearing technology, this bearing is engineered to deliver exceptional performance in demanding mechanical environments.
Featuring a single-row angular contact design, the 7312 B KOYO is ideal for handling combined radial and axial loads, making it suitable for use in electric motors, gearboxes, machine tools, and high-speed spindles. Its robust construction ensures excellent stiffness and stability under varying load conditions, contributing to extended service life and reduced maintenance requirements.
Key Features and Benefits
- Precision Engineering: Manufactured to strict ISO standards, ensuring consistent quality and performance.
- High Load Capacity: Designed to support both radial and axial loads effectively.
- Durable Construction: Made from high-grade steel for enhanced wear resistance and longevity.
- Optimized Contact Angle: Provides excellent axial load support and rotational accuracy.
- Versatile Application: Suitable for a wide range of industrial machinery and equipment.
Product Dimensions
The 7312 B KOYO conforms to the standard dimensions for 7312 series angular contact ball bearings:
- Inner Diameter (d): 60 mm
- Outer Diameter (D): 110 mm
- Width (B): 22 mm
Applications
Thanks to its superior design and build quality, the 7312 B KOYO is widely used in:
- Electric motors and generators
- Machine tool spindles
- Gearboxes and transmissions
- Pumps and compressors
- Precision instrumentation
Choosing the 7312 B KOYO guarantees reliable operation, reduced downtime, and improved machinery efficiency. Whether for industrial, automotive, or manufacturing sectors, this bearing stands out as a trustworthy component engineered to meet the highest standards.

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KOYO: Leading Manufacturer of Bearings and Transmission Technology
KOYO is a globally recognized manufacturer specializing in high-quality bearings and advanced transmission technology. Founded in 1921, KOYO has established itself as a pioneer in the industry with nearly a century of expertise and innovation.
Company History
Since its inception in Japan, KOYO has consistently evolved to meet the changing demands of industrial applications. In the mid-20th century, KOYO expanded its technology portfolio by incorporating cutting-edge manufacturing processes that enhanced product durability and performance. Today, KOYO is part of JTEKT Corporation, a leader dedicated to automotive components and industrial products.
Product Range
The extensive KOYO product lineup addresses a wide array of bearing and transmission needs:
- Ball Bearings: Deep groove, angular contact, and thrust ball bearings designed for smooth rotational performance.
- Roller Bearings: Cylindrical, tapered, spherical, and needle roller bearings suitable for heavy load and shock resistance.
- Automotive Bearings: Specialized bearings for wheel hubs, transmission systems, and engine components.
- Precision Bearings: High-accuracy bearings for machine tools, robotics, and aerospace applications.
- Transmission Technology: Gearboxes, steering systems, and other transmission-related components tailored for industrial and automotive sectors.
Main Focus and Technologies
KOYO is committed to delivering innovative bearing solutions that optimize machinery efficiency and reliability. Key technologies include:
- Advanced Material Science: Use of high-grade steel and ceramics to extend bearing life.
- Sealing Technology: Enhanced seals to prevent contamination and maintain lubrication integrity.
- Smart Bearings: Integration of sensors for predictive maintenance and condition monitoring.
- Low Friction Designs: Bearings engineered to reduce energy loss and heat generation.
Application Areas
KOYO bearings and transmission components serve a diverse range of industries, including:
- Automotive Industry: Engines, transmissions, wheels, and chassis applications.
- Industrial Machinery: Manufacturing equipment, conveyors, and heavy machinery.
- Aerospace: High-precision bearings for aircraft systems.
- Robotics and Automation: Compact, precision bearings for robotic arms and automation systems.
- Renewable Energy: Bearings for wind turbines and solar tracking systems.
Company Headquarters
KOYO's headquarters are located in Japan, reflecting its strong roots in Japanese manufacturing excellence. As part of the JTEKT Corporation network, KOYO benefits from a global presence with production and sales facilities distributed worldwide to support regional markets effectively.