20Pcs 608 ZZ Skate Bearings 8mmx22mmx7mm Made of Chrome Steel with Dual Seals for Roller Skates Skateboards Scooters, 3D Print Filament, Fan Motors,air Conditioner Deep Groove Ball Bearings
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Availability:
Only 5 left in stock, order soon!
Arrives
Thursday, Jun 19
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Item Package Quantity: 20
Size: 608ZZ
Features
- Chrome Steel Special PackagingTo ensure reliability andmech longer ages, bearings are made of High-Quality Supreme chrome steel AISI 52100 which is more durable than carbon steel, not only strength but also with dual shields for optimum lubrication and reduction of contaminants. Bearings are stacked in specially transparent boxes, which are handy for storing and organizing counting until you need them,easy to put bearings in your pocket and take out.
- Pre-lubricated Neat and tidyLubricated with cosmoline waxy coatinge and grease at manufacture to protect them antirust during shipping. Wash them in the sink with dish soap water, when you still feel gummy sticky or stiff. If necessary, clean and wipe off outside grease with paper towels and WD- 40(degreaser Goo Gone other agent solvent) to remove grease, bearings will spin freely. For safety, cleaning must be done outside well away from any ignition sources.
- Widely UsedSuitable for skateboards, roller inline skates, roller blades, scooters, Bandsaw shark wheels, 3d printing program filament spool holders roller guides, fidget spinner,repair motor small micro rotary trolling motor wall mounted air conditioner unit floor fan blower air purifier motor, treadmill shopvac motor radiator fan, shopping cart medical walker whee, luggage wheel wheelchair CNC router sander, power tool ect.
- Optimum Assembly100% - Dimensional tolerance inspection. Inner Bore:8mm,Outer Diameter:22mm, Width:7mm. Exterior design:Double seals Grease make you think them cannot spin fast with a touch stiff when holding in hands, but will free-up during prolonged actual use. Bearings needed "break-in" to spin well.They can spin pretty well by soaking in Goo Gone and adding a little lubricant
Brand: KERUKEXI
Material: Supreme chrome steel AISI 52100
Item Dimensions LxWxH: 0.87 x 0.87 x 0.28 inches
Item Weight: 11 Grams
Bearing Number: 608ZZ
Product Dimensions : 0.87 x 0.87 x 0.28 inches; 0.39 Ounces
Item model number : 608 zz 8x22x7
Date First Available : April 3, 2023
Manufacturer : KERUKEXI
Country of Origin : China
Best Sellers Rank: #131,986 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #94 in Skateboard Bearings
#94 in Skateboard Bearings:
Customer Reviews: 4.5 4.5 out of 5 stars 68 ratings
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Jun 19
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Item Package Quantity: 20
Size: 608ZZ
The media could not be loaded. The bearings are ZZ bearings having a steel cover on both sides. They are very easy rolling bearings. I bought them for use on a 3-D printer. You can see by the video that even with very low tension and very slow movement the wheels move smoothly. I am very happy with the bearings for the cost.
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Reviewed in the United States on April 29, 2023 by P F
I replaced the top sintered bronze bushing on two ShopVacs with these bearings. They are a slightly loose fit in the bearing boss so you have to use a little shim material so they won’t spin in the boss. Durability unknown but my ShopVacs are back in action. The bronze bushings are not available as a replacement part.
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Reviewed in the United States on March 18, 2023 by Michael Guerra
Worked nicely for the shop vac bushing conversion.
Reviewed in the United States on February 7, 2023 by Jack
Item Package Quantity: 12
Size: 608RS
Smooth spins and function well
Reviewed in the United States on April 6, 2023 by K
Item Package Quantity: 22
Size: 608ZZ
I had visions of doing a bunch of scientific tests, but my one son reminded me that I have no way of controlling for all the variables. Also, the son for whom I bought these bearings wanted to use them right away. So this is what I can tell you. He says these are "definitely" smoother and quieter than his old bearing. He likes the feel so far. I can't speak to the longevity. Keep in mind his old bearings were in poor shape.
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Reviewed in the United States on November 5, 2022 by centsworth
Item Package Quantity: 22
Size: 608ZZ
I bought these for various 3D printing projects, the first of which was a pair of spool rollers for low-resistance feeding of 3D printing filament (see enclosed photos). The bearings were supplied in a pair of snap-top tubes with 11 bearings per tube. Also enclosed was a single white glove sized for someone with far smaller hands than mine. The bearings are of good quality. Every one I took out was visually without flaws and turned very smoothly. I say "turned" rather than "spun" because the lubricant in them is a bit too viscous to let them spin freely. That's typically what I've found for 608 ZZ bearings. For my application, the lubricant seems perfect. For those unfamiliar with the terminology, a 608 series bearing has an 8mm ID x 22mm OD x 7mm width. The letters that follow describe the type of seal/shield. 608-2RS (often referred to as 608 RS) are sealed-for-life bearings with two rubber shields, one per side; the grease within the bearing cannot get out and contaminants cannot get in. The 608 ZZ bearings have a metal shield pressed into each side to stop larger contaminants from entering and damaging the bearing. Generally speaking, for use in a clean environment, choose a ZZ bearing. For use in a dirty environment, choose a 2RS (AKA RS) bearing, recognizing that there will likely be some small increase in rolling resistance. If you're making a fidget spinner or have some application where the top concern is bringing rolling resistance to a minimum, use an open bearing and choose your lubricant wisely. Again, the above are very general recommendations, and not the last word in bearing choice. There are more variants of 608 bearings than I can touch on here, varying in number of balls, ball material, race material, cage material, whether there is a cage at all, seal material and design, and so on. If you're a 3D printing hobbyist who just wants some 608 bearings for general use, these 608 ZZ bearings are a great choice. I have zero complaints about these bearings and I am frankly shocked that bearings of this quality can be manufactured, packaged, and shipped at such low prices. I wholeheartedly recommend these.
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Reviewed in the United States on September 6, 2022 by Miss Sissy Miss Sissy
Item Package Quantity: 22
Size: 608ZZ
This is a great price for 22 bearings. I will use them in my roller skates, which requires 16 total for a full swap-out. That leaves me 6 as spares. They spin smoothly, but don't have a lot of free spin. That's not uncommon, as bearings often arrived lubed with grease. The grease is thick and keeps them from spinning freely in your hand, but after actual installation and usage, the grease heats up and thins out and spins fine. Grease doesn't leak out like thin oil, either, so the bearings stay lubed longer. These bearings are sealed with metal shields on both sides, so they aren't cleanable like a rubber-shielded bearing is. Basically, use these as long as they spin well, then discard and replace when they get dirty and spin gritty. They're inexpensive so you can afford to replace them as needed.
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Reviewed in the United States on August 25, 2022 by Rob M.
Item Package Quantity: 22
Size: 608ZZ
These will come in handy for various 3D printing projects that I have lined up. They are super smooth with minimal drag right out of the box. So far have only used them for testing, but they seem great so far! Will update after extended usage
Reviewed in the United States on November 5, 2022 by Kerby & Erin