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NiArt Fidget Spinner Bearings with Caps 16 Pack, Chrome Steel DIY Set
✅ In stock
⭐ Lowest price we've tracked
📉 Price recently dropped
S
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 3, 2026 6:57 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💎 All-Time Low!- 💎Verdict: All-Time Low!. Buy now — this is as cheap as it has ever been.
- 💰The current price is 22% below what this product typically costs — a notable saving over its usual going rate.
- 🏷️A 25% cut from the official retail price adds further appeal.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
24.42/28
Recent Value
22/22
Market Standing
15.29/20
Deal Strength
20/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
Attom Tech
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓[Package Content] This package includes 16pcs MR137 precision high-speed ball bearing with blue plastic seals and 16 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.
⚙️ Specifications
2.5 x 2.5 x 0.5 inches
Resin Casting Molds
B0B6TWH992
4.5
See Top 100 in Toys & Games
B0B6TWH992
Attom Tech
Resin Casting Molds
Product Dimensions
2.5 x 2.5 x 0.5 inches
Item model number
Resin Casting Molds
ASIN
B0B6TWH992
Customer Reviews
4.4
Best Sellers Rank
See Top 100 in Toys & Games
Item Weight
3.2 ounces
Manufacturer
Attom Tech
