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NiArt Fidget Spinner Bearings with Caps 20 Pack, Chrome Steel DIY Set - size: ONLY 20 BLACK Cap Bearings

NiArt Fidget Spinner Bearings with Caps 20 Pack, Chrome Steel DIY Set - size: ONLY 20 BLACK Cap Bearings

$13.26 USD
$13.26 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.

About this item

  • [Package Content] This package includes 20pcs MR137 precision high-speed ball bearing with blue plastic seals and 20 pairs of ball bearing caps in black color (diameter: approx. 2.1cm). MR137 Steel Ball Bearing sizes: I.D.(inner diameter)=7mm; O.D. (outer diameter)= 13mm; Thickness:4mm.
  • [Premium Quality] The bearing is made of high-quality stainless steel and plastic for durability and resistance to deformity under heavy loads. Inner and outer races are machine polished for smooth, high-speed rolling. This bearing provides higher speeds, precision, and durability, reducing replacement and maintenance costs.
  • [Radial Ball Bearing] MR137 bearings are sealed on one side to protect against contaminants like dust and water out of the apparatus and retain lubrication. Stainless steel races ensure durability and corrosion resistance. Single-row radial ball bearing for applications that support radial and axial loads.
  • [Spinner Cap & Wide Application] Caps made with ABS plastic are lightweight but durable, compatible with MR137 bearings. Easy to install and uninstall the two components. This bearing set can be used in a wide variety of applications, including fidget spinner creation, replacement, and more DIY projects, perfect for fidget spinner frame replacement when your original caps/bearings are lost. You could also DIY your unique fidget spinner with this bearing set.
  • [Safety Disclaimer] We do not accept any responsibility or liability for misuse of this product. All our products are extensively tested to comply with rigorous and stick QC standards. We recommend proper supervision as we cannot be liable for misuse or accidents. Small parts disclaimer: These accessories contain small parts, not for children under 3 years in case of swallowing or choking.

Low stock: 10 left

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    Olivia Bennett — San Diego, California

    The website was easy to browse, and the collections were organized clearly. I found what I was looking for without having to search through unrelated items. The overall shopping experience felt simple and convenient.

  • ★★★★★

    Ethan Parker — Austin, Texas

    My order arrived securely packaged and matched the information shown on the product page. I also appreciated the helpful updates throughout the ordering and delivery process. I would feel comfortable shopping here again.

  • ★★★★★

    Megan Collins — Denver, Colorado

    Sketchora offers a wide variety of creative supplies in one place. The product descriptions made it easier to compare different options and choose materials that suited the type of project I had in mind.

  • ★★★★★

    Ryan Mitchell — Portland, Oregon

    I had a smooth experience from checkout to delivery. The store feels thoughtfully organized, and it was easy to explore different categories for future projects. Everything was straightforward and easy to understand.

FAQ

What types of art supplies does Sketchora offer?


Sketchora offers supplies for drawing, painting, calligraphy, sculpting, printmaking, airbrushing, crafting, and studio organization. Our collections may include pencils, markers, paints, brushes, paper, canvas, modeling tools, easels, storage products, and creative project kits.

How can I choose the right product for my project?


Review the product description, dimensions, material, included components, recommended surfaces, and compatibility information before ordering. Paints, papers, tools, and accessories can perform differently depending on the medium, technique, and intended use.

How long does order processing take?


Orders are generally processed within 1–3 business days. Processing may take up to 5 business days during busy periods, holidays, or periods of unusually high order volume.

How much does shipping cost?


Sketchora charges a flat shipping fee of $6.90 per order. The applicable shipping charge will be displayed during checkout before payment is completed.

How long does delivery take?

Estimated delivery within the United States is generally 5–10 business days after shipment. International delivery may take approximately 10–20 business days. Delivery times are estimates and may be affected by carriers, customs, weather, or address issues.

How can I track my order?


When tracking information becomes available, it will be sent to the email address provided at checkout. Tracking activity may take some time to appear after the shipping carrier receives the package.

Can I change or cancel my order?


Contact us as soon as possible, preferably within 12 hours of placing the order. We will try to help, but changes and cancellations cannot be guaranteed once processing or shipment has begun.

What is your return policy?


Eligible products may be returned within 30 calendar days after delivery. Contact us before sending anything back because return authorization and return instructions are required. Approved returns should be shipped within 7 calendar days after authorization.

What should I do if my order arrives damaged or incorrect?

Contact us promptly with your order number, a description of the issue, and clear photos of the product and packaging. When reasonably possible, damaged, defective, missing, or incorrect items should be reported within 7 days of delivery.

Will product colors and sizes look exactly as shown online?


Minor differences may occur because of screen settings, lighting, material texture, manufacturing batches, or measurement methods. Review the product specifications carefully, and allow for reasonable variation in color, dimensions, packaging, and appearance.

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