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684ZZ Miniature Deep Groove Ball Bearings 4x9x4mm (20 Pack), Double Metal Shielded Chrome Steel, Pre-Lubricated, for Micro Motors, RC Models, 3D Printers & Hobby Projects
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684ZZ Miniature Deep Groove Ball Bearings 4x9x4mm (20 Pack), Double Metal Shielded Chrome Steel, Pre-Lubricated, for Micro Motors, RC Models, 3D Printers & Hobby Projects
Low noise. High speed. High temperature resistance. Resistance to high load. Suitable for kinds of applications.
684ZZ Miniature Deep Groove Ball Bearings 4x9x4mm (20 Pack), Double Metal Shielded Chrome Steel, Pre-Lubricated, for Micro Motors, RC Models, 3D Printers & Hobby Projects
Item #: 36030932

684ZZ Miniature Deep Groove Ball Bearings 4x9x4mm (20 Pack), Double Metal Shielded Chrome Steel, Pre-Lubricated, for Micro Motors, RC Models, 3D

Item #: 36030932

IMP 17

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Order now and get it around Friday, July 17
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Low noise. High speed. High temperature resistance. Resistance to high load. Suitable for kinds of applications.
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What Stands Out

Compact Size
These 4mm x 9mm bearings are ideal for small projects, fitting perfectly in tight spaces without compromising performance.
Double Shielded
The double-shielded design protects against contaminants, ensuring longevity and reliability in various applications.
Pre-Lubricated
Pre-lubrication minimizes maintenance efforts, allowing for smooth operation and improved efficiency right out of the box.

Product Details

Shop 684ZZ Miniature Deep Groove Ball Bearings 4x9x4mm (20 Pack), Double Metal Shielded Chrome Steel, Pre-Lubricated, for Micro Motors, RC Models, 3D Printers & Hobby Projects online at a best price in Isle of Man. B086PTKF2P
  • 684ZZ Miniature Ball Bearings: Inner Diameter 4mm, Outer Diameter 9mm, Thickness 4mm
  • Smooth and Efficient Operation: Low noise, high speed, high temperature resistance, and high load resistance
  • Premium Material: 100% Chrome Steel for durability and resistance
  • Low Friction and Energy Efficient: Single-row, pre-lubricated, normal accuracy with low friction design
  • Suitable for Various Applications: Industrial equipment, micro motor, small rotary motor, and office equipment
  • Wide Usage: Motors, machinery, power transmission, instrumentation, household applications, and more
Item Weight0.2 lbs (90 grams)

Who Should Buy?

Suitable For
  • Hobbyists and DIYers

    Ideal for small projects requiring precision bearings, like model building or robotics.

  • Electronics Enthusiasts

    Perfect for replacing worn bearings in small motors or fans for devices and gadgets.

  • Hobby RC Vehicles

    Great for use in small remote-controlled cars, drones, or boats needing reliable performance.

Not Suitable For
  • Heavy Machinery

    Not suitable for industrial applications or heavy machinery that requires larger, robust bearings.

  • High-Speed Applications

    May not perform adequately in high-speed environments where advanced bearings are necessary.

  • Outdoor Use

    Not ideal for outdoor applications due to potential exposure to moisture and dirt.

Product Description

684ZZ Miniature Deep Groove Ball Bearings 4x9x4mm (20 Pack), Double Metal Shielded Chrome Steel, Pre-Lubricated, for Micro Motors, RC Models, 3D Printers & Hobby Projects

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the specifications of Donepart 684ZZ small bearings?

    Answer: The Donepart 684ZZ small bearings feature a size of 4mm x 9mm x 4mm, which is ideal for lightweight applications. These bearings are constructed with a double shield to protect against dust and debris, ensuring a longer lifespan. The pre-lubricated deep groove design allows for smooth rotation and reduced friction, making them suitable for use in motors, robotics, and other machinery where precision is key.
  • Question: What are the advantages of double shielded bearings?

    Answer: Double shielded bearings like the Donepart 684ZZ offer enhanced protection against contaminants. The shields help to keep dirt and moisture out, which aids in maintaining optimal performance over time. This feature is particularly beneficial for applications in harsh environments, as it helps to reduce wear and prolong the life of the bearing, leading to improved reliability and efficiency in machines or equipment.
  • Question: Where can I use Donepart 684ZZ small bearings?

    Answer: The Donepart 684ZZ small bearings are versatile and can be used in various applications, including toy manufacturing, hobbyist projects, and small machinery. Their compact size makes them a great choice for items such as electric toy cars, drones, and precision instruments where space is limited but reliable performance is essential.
  • Question: What materials are used in the construction of these bearings?

    Answer: The Donepart 684ZZ bearings are typically made from high-quality steel, which ensures durability and strength. The steel components are designed to withstand high speeds and loads, making them suitable for various mechanical applications. Additionally, the pre-lubrication reduces friction and wear, enhancing overall performance, which is crucial for devices requiring precision and longevity.
  • Question: How do I maintain small bearings like the Donepart 684ZZ?

    Answer: Maintenance of small bearings such as the Donepart 684ZZ involves periodic checks and cleaning. It is advisable to inspect the bearings for any signs of wear, contamination, or unusual noises that may indicate issues. Cleaning can be done using a damp cloth or appropriate solvent, followed by re-lubrication if necessary. Regular maintenance ensures optimal performance in applications, prolonging the lifespan of the bearings.
  • Question: Can the Donepart 684ZZ bearings handle high speeds?

    Answer: Yes, the Donepart 684ZZ bearings are designed to handle high speeds effectively due to their deep groove construction and pre-lubrication. This design minimizes friction and heat generation, making them suitable for applications like electric motors, where high rotational speeds are common. Users will find that these bearings maintain stability and performance, even under demanding conditions.
  • Question: Are these bearings suitable for use in hobby and DIY projects?

    Answer: Absolutely! The Donepart 684ZZ small bearings are perfect for hobby and DIY projects due to their size and reliability. Whether you're building RC cars, custom drones, or robotics projects, these bearings provide the necessary precision and durability to enhance performance. Their versatility makes them a favorite among hobbyists looking to ensure smooth operation in their creations.
  • Question: What is the load capacity of Donepart 684ZZ bearings?

    Answer: The load capacity of Donepart 684ZZ bearings is specifically tailored for lighter applications. While the exact load ratings can vary, these small bearings are robust enough for typical loads encountered in miniaturized machinery, robotics, and other compact applications. It's essential to consider the application's demands to ensure the bearings perform optimally without being overloaded.
  • Question: Can these bearings be used in outdoor applications?

    Answer: While the Donepart 684ZZ bearings are double shielded and pre-lubricated for protection, they are generally suited for indoor applications. If used outdoors, it’s recommended to provide additional protective housing to prevent exposure to moisture and extreme debris. This additional precaution helps maintain their performance and longevity in various environments.
  • Question: Where can I buy Donepart 684ZZ small bearings in Isle of Man?

    Answer: You can buy the Donepart 684ZZ small bearings at Ubuy in Isle of Man. Ubuy offers a wide selection of these high-quality bearings, making it simple for you to find the right product for your needs. Plus, you can take advantage of their user-friendly platform and customer service for any inquiries regarding your purchase.

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IMP 17

Order now and get it around Friday, July 17

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Features & Benefits

  • Double shielded and pre-lubricated deep groove ball bearing
  • Inner diameter: 4mm / 0.16'' and outer diameter: 9mm / 0.35''
  • Made from 100% chrome steel for durability and resistance
  • Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on.

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