Bearing 6312 NTN



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Product detailed description
Bearing 6312 NTN
The 6312 NTN is a high-quality deep groove ball bearing designed to provide reliable performance in a wide range of industrial and mechanical applications. Manufactured by NTN, a globally recognized leader in bearing technology, this bearing is engineered to deliver optimal durability, precision, and efficiency.
Featuring a robust construction, the 6312 NTN is suitable for handling radial and axial loads, making it an ideal choice for electric motors, gearboxes, pumps, and various machinery. Its design ensures smooth rotation and reduced friction, contributing to extended service life and improved operational reliability.
Key Features and Benefits
- Precision Engineering: Manufactured with tight tolerances to ensure consistent performance and minimal vibration.
- High Load Capacity: Capable of supporting both radial and axial loads efficiently.
- Durable Materials: Made from high-grade steel to resist wear, corrosion, and fatigue.
- Versatile Applications: Suitable for various industrial machinery, automotive, and equipment needs.
- Easy Installation: Standard dimensions allow for seamless integration into existing systems.
Dimensions of 6312 NTN
The 6312 NTN follows international bearing standards with the following dimensions:
- Inner Diameter (d): 60 mm
- Outer Diameter (D): 130 mm
- Width (B): 31 mm
These standardized dimensions ensure compatibility with a wide range of equipment and facilitate easy replacement and maintenance.
Why Choose 6312 NTN?
Choosing the 6312 NTN means investing in a bearing that combines quality, reliability, and performance. NTN’s commitment to innovation and stringent quality control means this bearing meets the demands of modern machinery while minimizing downtime and maintenance costs. Whether you require a bearing for heavy-duty industrial use or precision equipment, the 6312 NTN is a dependable solution.
For optimal performance and longevity, it is recommended to install and maintain the bearing according to NTN’s guidelines and industry best practices.

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NTN Corporation: Leading Manufacturer of Bearings and Transmission Technology
NTN Corporation is a globally recognized manufacturer specializing in high-quality bearings and advanced transmission technology. Founded in 1918 in Osaka, Japan, NTN has a rich history of innovation and excellence, growing to become one of the leading suppliers in the rolling bearings industry worldwide.
Company History
Established over a century ago, NTN pioneered the development of precision bearings with a focus on durability and performance. Throughout its history, NTN has expanded its product portfolio and global presence, driven by continuous research and development to meet the evolving demands of industrial and automotive sectors.
Product Range
NTN offers a comprehensive range of products designed to optimize machinery performance and efficiency, including:
- Ball Bearings: Deep groove ball bearings, angular contact ball bearings, and self-aligning ball bearings.
- Roller Bearings: Cylindrical roller bearings, spherical roller bearings, tapered roller bearings, and needle roller bearings.
- Precision Bearings: Super-precision bearings for machine tools and robotics.
- Transmission Systems: Constant velocity (CV) joints and automotive drive shafts.
- Linear Motion Products: Linear guides and actuators for industrial automation.
- Other Components: Mounted units, bearing accessories, and custom-engineered solutions.
Main Focus and Technologies
NTN's core focus is to deliver reliable and innovative bearing solutions that enhance machine life and performance. The company invests heavily in advanced material technology, lubrication methods, and manufacturing precision to ensure optimal product durability and efficiency. NTN is also a pioneer in developing silicon nitride ceramic bearings, which offer superior resistance to corrosion and high-speed capability.
Application Areas
NTN bearings and transmission products are widely used across various industries worldwide, including:
- Automotive: Wheel hub bearings, CV joints, transmission components, and electric vehicle parts.
- Industrial Machinery: Machine tools, conveyors, pumps, and compressors.
- Aerospace: Precision bearings for aircraft engines and control systems.
- Railway: Bearings for rolling stock and rail infrastructure.
- Energy: Wind turbines, hydroelectric equipment, and power generation machinery.
- Robotics & Automation: High-precision bearings aiding in smooth and accurate robotic movement.
Company Headquarters
NTN Corporation is headquartered in Osaka, Japan. The company operates numerous manufacturing plants, research centers, and sales offices worldwide to support its diverse customer base.