---
title: "608zz Bearings — $139K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/608zz-bearings"
last_updated: "2026-08-07T16:34:03.763Z"
locale: en
meta:
  description: "Niche score 49/100 · $139K/yr market · 74K searches/yr · $10.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · $139K/yr market · 74K searches/yr · $10.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "608zz Bearings — $139K/yr Amazon US Niche (2026) - Flapen"
---

# **608zz bearings**

**Skip it**

A concentrated shelf (top 5 take 74% of clicks) — this niche doesn't clear our bar today.

Market size 31Growth 41Conversion 99Competition 22Returns 95Price range 42Avg price 35Brand share 43Review moat 75Quality gap 33

**Conversion**

**Incredible****18.6%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Incredible****1.0%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****509.31**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****79%**

top-5 brand share — brands hold most of the demand

**Price range**

**Okay****$5.55–$21.78**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Growth**

**Okay****+13.1%**

90-day search growth — must beat 0% to launch

**Avg price**

**Okay****$10.17**

avg listing price — sweet spot $15–$100

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$139K**

$139K/yr · 74K searches

**Competition**

**Bad****74%**

top-5 click share — a locked-up shelf

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

According to Flapen's Amazon United States niche tracking, 608zz bearings is a $139K/yr Amazon United States market (74K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jan. Verdict: Skip it — 49/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **608zz bearings market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**13K–15K**</dd><dd>avg 750–1,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$127K–$153K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**18.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#95**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**92%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**57 months**</dd>

<dt>**Avg seller age**</dt><dd>**186 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**11 **▼falling

**Sellers**

**58**

**Top-5 brand share**

**79%**

Top 20: 100%

**Top-5 click share**

**74%**

Top 20: 100%

**Open market**

**16%**

- YAMASO28% - Muwamdf25% - SACKORANGE14% - SHKI8% - Kinetallum5% - Dianrui5% - Open — no brand owns it (5 brands, 16%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +13.1% search growth over the last 90 days.

2K2KHoliday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 2.0×

[**Open Trend **](https://flapen.com/research/us/sports-outdoors/608zz-bearings/trend)

## **Top 608zz bearings search terms**

- **608zz bearings**48K/yr+17.1%17.2% conv. - **608zz**13K/yr+8.8%15.5% conv. - **608zz bearing**11K/yr+11.5%12.7% conv. - **bearing 608zz**3K/yr-31.9%16.7% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/608zz-bearings/search-terms)

## **Top 608zz bearings products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$14K20%$28K30%$42K40%$56K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![YAMASO 20Pcs 608ZZ Ball Bearings Bearing Steel and Metal Double Shielded Miniature Deep Groove Ball Bearings (8mm x 22mm x 7mm)](https://m.media-amazon.com/images/I/41dxrgyRhdL.jpg)**YAMASO 20Pcs 608ZZ Ball Bearings Bearing Steel and Metal Double Shielded Miniature Deep Groove Ball Bearings (8mm x 22mm x 7mm)**YAMASO**$6.82**4.6★133 rev](https://www.amazon.com/dp/B0DYNNW8N8) [2![608 ZZ Ball Bearings(10PCS) 608ZZ Metal Double Shielded Miniature Deep Groove Skateboard Ball Bearings (8mm x 22mm x 7mm)](https://m.media-amazon.com/images/I/51+0FkMNlKL.jpg)**608 ZZ Ball Bearings(10PCS) 608ZZ Metal Double Shielded Miniature Deep Groove Skateboard Ball Bearings (8mm x 22mm x 7mm)**Muwamdf**$5.55**4.6★801 rev](https://www.amazon.com/dp/B07H83VV6B) [3![20 PCS 608 -ZZ Ball Bearings Double Metal Sealed Miniature Deep Groove Ball Bearings (8mm x 22mm x 7mm) (608 ZZ)](https://m.media-amazon.com/images/I/41sNeAoQU9L.jpg)**20 PCS 608 -ZZ Ball Bearings Double Metal Sealed Miniature Deep Groove Ball Bearings (8mm x 22mm x 7mm) (608 ZZ)**SACKORANGE**$5.60**4.4★2,016 rev](https://www.amazon.com/dp/B07CVBSC9Y) [4![SHKI 20 Pcs 608 2RS Ball Bearings Bearing Steel and Double Rubber Sealed Miniature Deep Groove Ball Bearings (8mm x 22mm x 7mm) (608 2RS)](https://m.media-amazon.com/images/I/41BYfJNmMoL.jpg)**SHKI 20 Pcs 608 2RS Ball Bearings Bearing Steel and Double Rubber Sealed Miniature Deep Groove Ball Bearings (8mm x 22mm x 7mm) (608 2RS)**SHKI**$7.27**4.6★2,056 rev](https://www.amazon.com/dp/B09PKD8QZZ) [5![Dianrui 38 PCS 608RS & 608ZZ Ball Bearings Assortment Kit Small Bearings Carbon Steel Deep Groove Bearing for Furniture Wheel Roller Skates 3D Printing and ect (8mm x 22mm x 7mm)](https://m.media-amazon.com/images/I/518Sln9+uZL.jpg)**Dianrui 38 PCS 608RS & 608ZZ Ball Bearings Assortment Kit Small Bearings Carbon Steel Deep Groove Bearing for Furniture Wheel Roller Skates 3D Printing and ect (8mm x 22mm x 7mm)**Dianrui**$10.18**4.4★154 rev](https://www.amazon.com/dp/B0GCM2LM74)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![SHANDERBAR 10 Pcs 608zz Bearings 8mm x 22mm x 7mm Bearing Steel Double Shielded Miniature Deep Groove Ball Bearings Small Skateboard Roller Bearing for 3D Printers Skates & DIY Projects](https://m.media-amazon.com/images/I/51rPsRbK7RL.jpg)**SHANDERBAR 10 Pcs 608zz Bearings 8mm x 22mm x 7mm Bearing Steel Double Shielded Miniature Deep Groove Ball Bearings Small Skateboard Roller Bearing for 3D Printers Skates & DIY Projects**SHANDERBAR**$7.11**21 rev3mo ago](https://www.amazon.com/dp/B0GVK48C4T) [![Dianrui 38 PCS 608RS & 608ZZ Ball Bearings Assortment Kit Small Bearings Carbon Steel Deep Groove Bearing for Furniture Wheel Roller Skates 3D Printing and ect (8mm x 22mm x 7mm)](https://m.media-amazon.com/images/I/518Sln9+uZL.jpg)**Dianrui 38 PCS 608RS & 608ZZ Ball Bearings Assortment Kit Small Bearings Carbon Steel Deep Groove Bearing for Furniture Wheel Roller Skates 3D Printing and ect (8mm x 22mm x 7mm)**Dianrui**$10.18**154 rev7mo ago](https://www.amazon.com/dp/B0GCM2LM74) [![Kinetallum 60PCS 6 Sizes Deep Groove Ball Bearings Assortment 608ZZ 693ZZ 695ZZ 626ZZ 627ZZ 6000ZZ Steel Ball Bearing Double Shielded Bearings Pre-Lubricated 3 5 6 7 8 10MM ID for 3D Printers](https://m.media-amazon.com/images/I/516jar0sGAL.jpg)**Kinetallum 60PCS 6 Sizes Deep Groove Ball Bearings Assortment 608ZZ 693ZZ 695ZZ 626ZZ 627ZZ 6000ZZ Steel Ball Bearing Double Shielded Bearings Pre-Lubricated 3 5 6 7 8 10MM ID for 3D Printers**Kinetallum**$14.98**25 rev7mo ago](https://www.amazon.com/dp/B0GCP35C9K) [![Kinetallum 20PCS 608ZZ Deep Groove Ball Bearings Steel 8mm x 22mm x 7mm Miniature Ball Bearing Double Shielded Bearings Pre-Lubricated for 3D Printers Skateboards](https://m.media-amazon.com/images/I/51VLGDhXXSL.jpg)**Kinetallum 20PCS 608ZZ Deep Groove Ball Bearings Steel 8mm x 22mm x 7mm Miniature Ball Bearing Double Shielded Bearings Pre-Lubricated for 3D Printers Skateboards**Kinetallum**$7.06**25 rev7mo ago](https://www.amazon.com/dp/B0GCNS4XW2) [![harmiey 100 Pack 608zz Bearings 8mm x 22mm x 7mm Double Metal Sealed Shielded Deep Groove Ball Bearing for 3D Print Projects Skateboards DIY Project or Replacemen](https://m.media-amazon.com/images/I/51Mxzd-FxGL.jpg)**harmiey 100 Pack 608zz Bearings 8mm x 22mm x 7mm Double Metal Sealed Shielded Deep Groove Ball Bearing for 3D Print Projects Skateboards DIY Project or Replacemen**harmiey**$21.78**61 rev1y ago](https://www.amazon.com/dp/B0F5HXKYZR)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![SHANDERBAR 10 Pcs 608zz Bearings 8mm x 22mm x 7mm Bearing Steel Double Shielded Miniature Deep Groove Ball Bearings Small Skateboard Roller Bearing for 3D Printers Skates & DIY Projects](https://m.media-amazon.com/images/I/51rPsRbK7RL.jpg)**SHANDERBAR 10 Pcs 608zz Bearings 8mm x 22mm x 7mm Bearing Steel Double Shielded Miniature Deep Groove Ball Bearings Small Skateboard Roller Bearing for 3D Printers Skates & DIY Projects**SHANDERBAR**$7.11**4.3★**▲ 182%**](https://www.amazon.com/dp/B0GVK48C4T) [![Kinetallum 60PCS 6 Sizes Deep Groove Ball Bearings Assortment 608ZZ 693ZZ 695ZZ 626ZZ 627ZZ 6000ZZ Steel Ball Bearing Double Shielded Bearings Pre-Lubricated 3 5 6 7 8 10MM ID for 3D Printers](https://m.media-amazon.com/images/I/516jar0sGAL.jpg)**Kinetallum 60PCS 6 Sizes Deep Groove Ball Bearings Assortment 608ZZ 693ZZ 695ZZ 626ZZ 627ZZ 6000ZZ Steel Ball Bearing Double Shielded Bearings Pre-Lubricated 3 5 6 7 8 10MM ID for 3D Printers**Kinetallum**$14.98**4.6★**▲ 143%**](https://www.amazon.com/dp/B0GCP35C9K) [![Dianrui 38 PCS 608RS & 608ZZ Ball Bearings Assortment Kit Small Bearings Carbon Steel Deep Groove Bearing for Furniture Wheel Roller Skates 3D Printing and ect (8mm x 22mm x 7mm)](https://m.media-amazon.com/images/I/518Sln9+uZL.jpg)**Dianrui 38 PCS 608RS & 608ZZ Ball Bearings Assortment Kit Small Bearings Carbon Steel Deep Groove Bearing for Furniture Wheel Roller Skates 3D Printing and ect (8mm x 22mm x 7mm)**Dianrui**$10.18**4.4★**▲ 139%**](https://www.amazon.com/dp/B0GCM2LM74) [![Miecaoy 608z-Bearings Sealed Deep-Groove Ball - Miniature 8x22x7mm Double Sealed Rubber Roller Skates Bearing](https://m.media-amazon.com/images/I/41aCG-Oew-L.jpg)**Miecaoy 608z-Bearings Sealed Deep-Groove Ball - Miniature 8x22x7mm Double Sealed Rubber Roller Skates Bearing**Miecaoy**$9.48**4.7★**▲ 117%**](https://www.amazon.com/dp/B092R8G8V5) [![Kinetallum 20PCS 608ZZ Deep Groove Ball Bearings Steel 8mm x 22mm x 7mm Miniature Ball Bearing Double Shielded Bearings Pre-Lubricated for 3D Printers Skateboards](https://m.media-amazon.com/images/I/51VLGDhXXSL.jpg)**Kinetallum 20PCS 608ZZ Deep Groove Ball Bearings Steel 8mm x 22mm x 7mm Miniature Ball Bearing Double Shielded Bearings Pre-Lubricated for 3D Printers Skateboards**Kinetallum**$7.06**4.6★**▲ 80%**](https://www.amazon.com/dp/B0GCNS4XW2)

**~~View all trending →~~**

## **What buyers say about 608zz bearings**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**33%

*“The structural build quality is excellent”*

**Value For Money**24%

*“Great value”*

**Size-Overall**9%

*“fit true to size”*

**Advertised Vs Actual Product**6%

*“Just as advertised”*

**Efficiency**4%

*“Worked for us”*

**Ease Of Use**3%

*“easy to use”*

**Durability**3%

*“feel durable”*

**Adhesion/Stickiness**2%

*“have had no sticking issues”*

**Design-Overall**2%

*“Built for its purpose”*

**Strength**1%

*“Good bearings”*

### **What buyers complain about **

**Size-Overall**24%

*“are very tight”*

**Quality-Overall**18%

*“Low quality”*

**Functionality-Overall**8%

*“Not for skateboards or any sort of fast scenarios”*

**Stiffness**7%

*“Too stiff”*

**Ease Of Use**6%

*“Since I couldn't spin them with my fingers”*

**Product Condition**3%

*“Received used product”*

**Advertised Vs Actual Product**3%

*“Good bearings 608Z advertises at 608 ZZ so I didnt like that”*

**Assembly/Installation**2%

*“Unable to install in roller skate wheels”*

**Weight Heavy**2%

*“which is a significant difference. 36% heavier”*

**Flexibility**2%

*“Too stiff”*

### **Top return reasons **

**Size-Overall**58%

**Defective Material/Parts**12%

**Advertised Vs Actual Product**10%

**Functionality-Overall**6%

**Quality-Overall**3%

**Value For Money**3%

**Compatibility-Overall**2%

**Stiffness**1%

**Product Condition**1%

**Maintenance And Repair**1%

## **Common questions**

<dl>

<dt>**Is 608zz bearings profitable to sell on Amazon United States?**</dt><dd>The niche generates $139K/yr across 13 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +13.1%. Flapen's verdict: Skip it (49/100).</dd>

<dt>**How competitive is the 608zz bearings niche?**</dt><dd>11 brands and 58 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 79% of demand.</dd>

<dt>**What do buyers complain about in 608zz bearings?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Functionality-Overall. The return rate is 1.0%.</dd>

<dt>**When does demand for 608zz bearings peak?**</dt><dd>Demand peaks in Jan; the busiest month runs 2.0× the quietest.</dd>

<dt>**What does it cost to enter the 608zz bearings niche?**</dt><dd>Listings span $5.55–$21.78; the average listing price is $10.17 (sweet spot $15–$100). The average incumbent carries 509 reviews — the moat a new listing must climb.</dd>

</dl>

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