- Single-row bearing for supporting radial loads
- Shields on both sides of the bearing to keep lubricant in and contaminants out
- Carbon steel for durability and resistance to deformity under heavy loads
- 34,000 rpm limit with grease lubrication
- Dimensions suitable for use in such applications as skateboards, inline skates, and scooters
VXB 608 ZZ Skateboard Bearings, Double Shielded, Silver (Pack of 8)
|Price:||$9.25 & FREE Shipping on orders over $35. Details|
Specifications for this item
|Inside Diameter||8 mm|
|Outside Diameter||22 mm|
|Overall Width||7 mm|
|Item Weight||3.2 ounces|
|Number of Items||1|
This 608ZZ bearing is a double shielded miniature ball bearing measuring 8x... See more product details
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This 608ZZ bearing is a double shielded miniature ball bearing measuring 8x22x7. This single-row bearing is built to support radial loads and has a revolutions per minute (RPM) limit of 34,000 with greased lubrication. It is made from carbon steel for durability and resistance to deformity under heavy loads. This bearing is shielded on both sides to keep lubricant in and contaminants out. The 608ZZ bearing is suitable for use in such applications as skateboards, inline skates, and scooters and comes in a pack of eight.
Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads. These elements can be one of the following types: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. All rolling bearings are open, shielded, or sealed. Sealed bearings are lubricated with oil or grease in the bearing factory, while open and shielded bearings are meant to be lubricated in place, with periodic reapplication of lubrication, based on use. The shield protects the working parts of the bearing from environmental debris that may be introduced and could reduce the ball bearing speed and lifespan. Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others.
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Top Customer Reviews
In my case, they're also the perfect thing for my cheap wally world window a/c unit that uses these in the fan motor, with spares for future replacements. (run nearly 24/7, factory set lasted 1 year, current ones from another place 3 years & just starting to squeal on occasion. Now for the adventure of tearing the thing down again and finding out how long these will last!)
2012-03-24 update: These do not hold up well in a motor. One of the ones I put in my a/c fan motor just chewed itself up.
2013-05-17 update: Second pair doing much better than first. I had re-lubed them with thicker oil this time, which seems to have done the trick. Likely the factory lube was just too thin for the application. (higher rpms + higher heat + skateboard quality lube = bearing quickly going dry)
2014-10-06 update: a/c is dead now, too much freon has seeped out. Overall, this pack of 8 bearings was well worth it, they stretched the life of the unit several years past what it would've been originally.
The shielding around the bearing is sturdy enough to clamp between two nuts when holding it onto an all-thread shaft, and the rotation is very smooth and noiseless, if requiring more force to turn than would be true of a more expensive bearing. For my woodworking project these have served wonderfully as low-duty bearing for low-speed belt/pulley based power transfer.
They were not worth even trying.
Most Recent Customer Reviews
I used these bearings to replace the bearings in the front wheel of my Batcaddy remote control golf cart X-4R. The absolute perfect replacement. Read morePublished 1 day ago by Les M.
These work great. I made a pickup winder and these are what i pressed into the machined sides to hold the shaft for the armature. I am very impressed with the quality.Published 4 days ago by Ebenezer
Bought these to act as wheels for a mobil countertop i made. They roll just as described.Published 12 days ago by Amazon Customer
Paired these up with a set of Blue Bellies wheels. These things roll silently and don't mark up the floor at all.Published 28 days ago by Alex K
Ironically, I am using these on a Craftsman bandsaw. They seem to work really well for this and I don't have to spend a fortune to replace them when they get gunked up.Published 28 days ago by Amazon Customer
These bearings run almost as good as my much more expensive bones swiss bearings. Only reason I switched is because I accidentally bent a few of the shields that caused them to... Read morePublished 29 days ago by Sheniqua Stevens
I used these bearings for 3D printer filament spool hubs, not in a skateboard, but they spin very fast and fit my needs well. Read morePublished 1 month ago by Hodgepodgerama