100 Pack 608-2RS Skateboard Bearing, Rolling Bearings, 8x22x7mm 608rs Bearing

First let me say I am a Forensic Engineer, next let me say that I have been in a wheelchair for almost 40 years. With that said, I have never in my life come across a product as bad as these!!!!! I purchased these less than 4 months ago and have had to replace them 4 times due to bearing failure. My application is not even a difficult one as all I am doing is putting them in the front tires of my wheelchair, yet they keep failing. They are cheap but you will spend more money replacing them than whatever you may have saved buying them. DO NOT BUY THESE UNLESS YOU WANT TO REPLACE THEM EVERY 1-2 MONTHS OR LESS.......THEY REALLY ARE THAT BAD.

side seals are plastic and some are a bit deformed and interfere with the balls. About 1 every 15 or so are like this

These bearings are not the greatest. I purchased them for use as a piece of a filament dispenser for a 3D printer. Basically, snap into place and spin. Thats all they had to do. The bearings felt oily yet werent actually very well lubricated inside at all. They also smell noxious, as contrasted with the ones I ended up buying after these, which spin immaculately and have only a subtle and inoffensive scent. Soaking these bad boys in Mineral Spirits did not help. The inside diameter is also wrong. Its like half a millimeter too large. This might be fine if all youre doing is making mediocre fidget spinners, but for use in an application where you expect to pop these onto something, they will be loose. Worth it to spend the same price for half the number of bearings from a decent seller, especially if you only need a few.

Ordered the 100 pack and only received 50. Without hesitation they sent me another order of 100 as soon as I messaged them. Definitely buying more soon, Im a 4th generation roller rink owner and these work great in the rentals after a good cleaning and some white lithium grease.

You get what you pay for. I realize these are only ABEC 1 rated. But, wow are they sloppy. the 8mm hole has a decent amount of variation. turned a shaft to fit the 1st bearing perfectly, the next wouldnt go on, and the next was loose.Once a shaft is fitted to the hole, ALL i tested (gave up after about 20) have more wable than Id expect. IE, spin it on a fixed shaft, and the outside casing doesnt spin even close to true with the inner casing. Some were pushing almost 1/6th inch.

I bought these to use in DIY tools with parts I’ve made on a mill or lathe. I made the mistake of not reading all the reviews. If you want cheap bearings in bulk, this is a great buy. If you want any kind of quality, keep looking. They came in two packs of five tubes of ten bearings each. Every single one of them has some kind of rust. I didn’t expect any rust. If I’m going through the trouble of hand carving metal on a manual mill or manual lathe to build a tool, I don’t want to use rusty parts. I doubt I’ll ever buy these again. The only reason they got a second star was because of the low price per bearing. I’m sure I can find something to do with them, I just can’t use them in anything I ever want to sell if I want to build any kind of reputation for quality work.

Yup, they are bearings. But would not give above a C rating for condition, even at this price. Packing was lacking. All just in a big bag. I found at least 3 different labels on the seals so thinking its a mixed batch of brands. Probably why some seem ok and some not so much. Also cleanliness control was lacking somewhere. as several of them have heavy grit all over. Normally would not care that much, but considering the seal is questionable on many of them as well, its likely the grit got into some. Wanted to use out of the bag, not have to clean and re-lube before use. One seal was missing a part altogether, and others have gap where you can see the bearing inside. Would have been just as well to get non-sealed bearings.

Great Product at a great price.

85/100 worked. 15 either broken or wont rotate. If this was a hug school exam Id say hey, solid B! But it isnt, so I gave it 3 stars instead of 4. If you need 100 working bearings youll want to order more than one package. If you only needed half, like I did, this works out ok.

So I opened the a contaner, each one has a set of ten. First thing I noticed is the seals looked odd. So I pop one out, they are plastic, not rubber of any kind. Thereis very very little grease inside, could be a good thing or bad depending on your use. My intened use is for a bearing to last so I need grease inside. So I check 10 more same thing. That takes me to the biggest problem. These called seals you can see the balls inside with the seals in place from the factory. No way will they seal in the grease or keep dirt out.