Bearing 6307 NTN



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Product detailed description
Bearing 6307 NTN – High-Quality, Durable Performance
The 6307 NTN is a premium deep groove ball bearing designed to provide reliable and efficient rotational movement in a wide range of industrial and mechanical applications. Manufactured by NTN, a globally recognized leader in bearing technology, this bearing combines precision engineering with robust materials to ensure long-lasting performance and minimal maintenance.
With standardized dimensions of 35 mm inner diameter, 80 mm outer diameter, and 21 mm width, the 6307 NTN fits perfectly into various machinery, automotive components, and equipment requiring smooth, high-speed operation. Its deep groove design supports both radial and axial loads, making it versatile for many applications.
Key Features of 6307 NTN
- Precision Engineering: Manufactured to exacting standards for consistent performance and reliability.
- Durability: High-quality steel construction resists wear, corrosion, and fatigue, extending service life.
- Versatility: Suitable for a broad range of applications, from electric motors to agricultural machinery.
- Low Friction: Optimized design reduces friction and heat generation, enhancing efficiency.
- Easy Installation: Standardized dimensions enable straightforward mounting and replacement.
Applications of 6307 NTN
The 6307 NTN is widely used in industries including automotive, manufacturing, construction, and household appliances. Its ability to handle moderate radial and axial loads makes it an ideal choice for:
- Electric motors and generators
- Pumps and compressors
- Conveyor systems
- Gearboxes and transmissions
- Machine tools and industrial equipment
Choosing the 6307 NTN ensures your machinery operates smoothly with reduced downtime and maintenance costs. Whether you are replacing worn bearings or designing new equipment, this NTN bearing offers dependable quality and performance.

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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.