Bearing NH 311 KOYO



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Product detailed description
Bearing NH 311 KOYO: Reliable Performance for Industrial Applications
Bearing NH 311 KOYO is a high-quality needle roller bearing designed to deliver exceptional durability and precision in various mechanical systems. Manufactured by KOYO, a renowned leader in bearing technology, this bearing is engineered to meet the rigorous demands of industrial machinery, automotive components, and heavy-duty equipment.
The NH 311 KOYO bearing features a robust needle roller design that allows for high load capacity in a compact form. Its needle rollers are uniformly distributed, ensuring smooth rotation and minimizing friction. This makes the bearing ideal for applications where space is limited but high radial load support is required.
Key Features and Benefits
- High Load Capacity: The needle roller configuration supports heavy radial loads efficiently, enhancing the reliability of your machinery.
- Compact Design: Its slim cross-section helps save space without compromising on strength or performance.
- Durability: Manufactured with premium-grade materials and precision engineering, it ensures long service life even under challenging conditions.
- Easy Installation: The NH series design facilitates straightforward mounting and maintenance, reducing downtime.
- Versatility: Suitable for a wide range of applications including gearboxes, automotive transmissions, agricultural machinery, and industrial equipment.
Dimensions of Bearing NH 311 KOYO
The NH 311 KOYO bearing has the following standardized dimensions:
- Inside Diameter (d): 55 mm
- Outside Diameter (D): 72 mm
- Width (B): 16 mm
These precise dimensions ensure compatibility with a variety of housings and shafts, making the NH 311 KOYO a versatile choice for engineers and maintenance professionals.
Why Choose Bearing NH 311 KOYO?
Choosing the NH 311 KOYO bearing means investing in a product trusted for its quality and performance worldwide. Its needle roller design reduces friction and wear, contributing to energy efficiency and lower operating costs. Additionally, the bearing’s design supports high-speed operations while maintaining stability and load capacity.
Whether you are upgrading existing machinery or designing new equipment, the NH 311 KOYO bearing offers an excellent balance of strength, precision, and compactness. Ensure your operations run smoothly by selecting this reliable bearing from KOYO’s trusted product range.

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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.