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Koyo NK45/20A Needle Roller Bearing, Outer Ring and Roller, Open, Oil Hole, Steel Cage, Metric, 45mm ID, 55mm OD, 20mm Width, 9400rpm Maximum Rotational Speed
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Koyo NK45/20A Needle Roller Bearing, Outer Ring and Roller, Open, Oil Hole, Steel Cage, Metric, 45mm ID, 55mm OD, 20mm Width, 9400rpm Maximum Rotational Speed
High load-carrying capacity with a reduced cross-section for use in restricted spaces.
Koyo NK45/20A Needle Roller Bearing, Outer Ring and Roller, Open, Oil Hole, Steel Cage, Metric, 45mm ID, 55mm OD, 20mm Width, 9400rpm Maximum Rotational Speed
Item #: 124536226

Koyo NK45/20A Needle Roller Bearing, Outer Ring and Roller, Open, Oil Hole, Steel Cage, Metric, 45mm ID, 55mm OD, 20mm Width, 9400rpm Maximum

Item #: 124536226

JMD 6071

Price Details

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*All items will import from US

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Order now and get it around Monday, September 07
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High load-carrying capacity with a reduced cross-section for use in restricted spaces.
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What Stands Out

High Load Capacity
The Koyo NK45/20A needle roller bearing features a robust design capable of supporting high radial loads, ensuring reliable performance in heavy-duty applications.
Precision Engineering
Manufactured with exacting standards, this bearing allows for smooth, efficient operation at speeds up to 9400rpm, minimizing friction and wear in various machinery.
Versatile Design
The open design with an oil hole facilitates easy lubrication, enhancing longevity and maintenance. Its steel cage construction further ensures durability in diverse environments.

Product Details

Shop Koyo NK45/20A Needle Roller Bearing, Outer Ring and Roller, Open, Oil Hole, Steel Cage, Metric, 45mm ID, 55mm OD, 20mm Width, 9400rpm Maximum Rotational Speed online at a best price in Jamaica. B007EE0RDA
Brand NameKoyo
Bearing NumberNK45/20A
Bearing TypeRoller Bearing
UPC605790187933
Global Trade Identification Number00605790187933
Part NumberNK45/20A
ManufacturerKoyo Torrington
ModelNK45/20A
Unit Count1 Count
Included Componentsbearing
Item Dimensions2.17 x 2.17 x 0.79 inches (5.5 x 5.5 x 2 cm)
Material TypeAlloy Steel
Compatible LubricantOil
Specification MetISO 1206
BrandKoyo
MaterialAlloy Steel
Item dimensions L x W x H2.17 x 2.17 x 0.79 inches (5.5 x 5.5 x 2 cm)

Who Should Buy?

Suitable For
  • Mechanical Engineers

    Ideal for engineers designing machinery requiring bearings with high-speed capabilities and compact dimensions.

  • Motorcycle Enthusiasts

    Great for motorcycle repairs where lightweight, efficient bearings are crucial for enhancing performance.

  • Manufacturing Equipment

    Perfect for use in automated systems where durability and speed are essential for operational efficiency.

Not Suitable For
  • Heavy Machinery

    Not suitable for heavy-duty applications requiring robust bearings that can withstand excessive loads.

Product Description

Koyo NK45/20A Needle Roller Bearing, Outer Ring and Roller, Open, Oil Hole, Steel Cage, Metric, 45mm ID, 55mm OD, 20mm Width, 9400rpm Maximum Rotational Speed

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the Koyo NK45/20A Needle Roller Bearing used for?

    Answer: The Koyo NK45/20A Needle Roller Bearing is primarily used in machinery to reduce friction between moving parts. Its design allows for a lightweight setup while effectively supporting radial loads, making it ideal for applications in automotive, industrial equipment, and automation systems. The open type with an oil hole allows for lubrication, enhancing its longevity and efficiency, especially in high-speed settings. Its compact size enables it to fit in tight spaces, making it versatile for various engineering projects.
  • Question: What materials are used in the Koyo NK45/20A Needle Roller Bearing?

    Answer: This bearing features a steel cage that provides durability and strength, ensuring optimal performance under significant loads. The use of high-quality steel not only contributes to its robust design but also allows for higher operational speeds, reaching up to 9400rpm. Additionally, the bearing's surface finishing is optimized to reduce wear over time, ensuring that it maintains performance even in heavy-duty applications. This combination of materials is key to its reliability in various mechanical systems.
  • Question: What are the dimensions of the Koyo NK45/20A Needle Roller Bearing?

    Answer: The Koyo NK45/20A Needle Roller Bearing has a bore diameter (ID) of 45mm, an outer diameter (OD) of 55mm, and a width of 20mm. These dimensions make it suitable for applications requiring precise load handling and fit. The metric sizing ensures compatibility with a wide range of component systems found in European and international machinery. Knowing the exact dimensions helps in selecting the right bearing to prevent mechanical failures caused by improper fitting.
  • Question: Can I use Koyo NK45/20A in high-speed applications?

    Answer: Yes, the Koyo NK45/20A Needle Roller Bearing is rated for maximum speeds of up to 9400rpm, making it suitable for high-speed machinery. This capacity ensures that the bearing can efficiently handle rotational movements without overheating or excessive wear. It's ideal for applications in electric motors, conveyor systems, and automotive engines where speed is crucial. Regular lubrication and maintenance further enhance its performance in such demanding environments.
  • Question: How does the oil hole feature benefit the Koyo NK45/20A Needle Roller Bearing?

    Answer: The open design with an oil hole allows for direct lubrication to the bearing, which is essential for maintaining its performance and longevity. This feature enables easy access for grease or oil, ensuring that the rollers operate smoothly even at high speeds. Proper lubrication reduces friction and heat build-up, preventing premature wear. In settings where machines operate continuously, this attribute is particularly advantageous to sustain operational efficiency.
  • Question: What are the benefits of using a steel cage in needle roller bearings?

    Answer: Using a steel cage in the Koyo NK45/20A enhances the bearing's structural integrity and load-bearing capacity. The steel cage ensures that the rollers are evenly spaced and aligned, reducing the risk of roller clash and extending the bearing's service life. This configuration is essential in high-load applications, allowing for superior performance under heavy operational conditions. The robustness of the steel cage also contributes to its ability to withstand vibrations and impacts, making it suitable for rugged environments.
  • Question: Is the Koyo NK45/20A suitable for DIY projects?

    Answer: Absolutely, the Koyo NK45/20A Needle Roller Bearing can be an excellent choice for various DIY projects, particularly those involving mechanical assemblies and custom machinery builds. Its compact design and high load capacity make it versatile for applications like custom bikes, robotics, and home-built machines. The ease of lubrication and operational efficiency can add value to personal projects that require reliable movement and reduced friction.
  • Question: What makes Koyo a trusted brand for bearings?

    Answer: Koyo is renowned for its innovation and quality in bearing manufacturing, contributing to its reputation as a trusted brand in the industry. With a focus on advanced engineering practices and quality control, Koyo bearings, including the NK45/20A, are designed to meet stringent performance standards. Their extensive experience ensures that customers receive products tailored for efficiency and durability, thus making them a preferred choice for manufacturers and engineers alike.
  • Question: What industries commonly use the Koyo NK45/20A Needle Roller Bearing?

    Answer: The Koyo NK45/20A is widely used across various industries, including automotive, aerospace, manufacturing, and robotics. Its features make it ideal for applications in gearboxes, conveyors, and electric motors where high precision and load-bearing capabilities are vital. Industries that demand reliable bearings for continuous operations find the NK45/20A particularly beneficial, ensuring that machinery functions smoothly and efficiently.
  • Question: Where can I buy Koyo NK45/20A Needle Roller Bearing?

    Answer: You can buy the Koyo NK45/20A Needle Roller Bearing from Ubuy in Jamaica. Ubuy offers a wide range of Koyo products, ensuring you can find the specific bearing you need. Their platform provides user-friendly navigation and detailed product information, making your selection process easier. Plus, Ubuy typically offers various delivery options, ensuring you receive your bearing promptly and efficiently.

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JMD 6071

Order now and get it around Monday, September 07

QTY:

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Features & Benefits

  • Designed for high dynamic and static loads.
  • Optimized for restricted spaces with a reduced cross-section.
  • Features a steel cage for reduced friction, vibration, and noise.
  • Made from through-hardened, high-carbon chromium steel for durability.
  • Includes a lubrication groove and oil hole for easy maintenance.
  • Max rotational speed of 9400 rpm for efficient performance.

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