How to clean the most precise parts of roller skates – bearings?

Yellow Indoor Roller Pulley

Among the hundreds of accessories for roller skates for women, the most precise is the bearing.

How to choose bearings?

  1. Basic bearing with fixed metal dust cover

    Value: Low cost, medium quality

    Features: It is inconvenient to disassemble the dust cover, and violent disassembly can easily lead to the deformation of the dust cover; the dustproof effect is good.

    These bearings are the cheapest, they generally have two metal dust caps, marked 627ZZ or 608ZZ, and it is very inconvenient to clean them. Therefore, it is better to directly choose a bearing with only one dust cover, choose 627Z or 608Z.

White Upper Color Glitter Wheel
2. Bearings with removable metal shields
Value: Average cost, good quality, removable dust cover
Features: It takes a lot of time to remove the dust cover, and the dustproof effect is not ideal.
Also as an all-metal bearing, but this bearing has an “elastic ring” that can be removed by jogging a lever, so it has a removable dust cover. Once the ring has been removed, the dust cover can be removed and the inside of the bearing can be cleaned. Once installed, the ring is almost invisible, you need to understand this function of the bearing to know it can be removed.
The elastic ring snaps into the groove, which holds the metal dust cover in place.
Pry up the elastic ring with a sharp object
Continue tilting the ring up three-quarters of the way until it comes out
Once the ring is removed, the dust cap will fall off under gravity
Open the bearing, you can see the stainless steel cage and 7 balls inside, and the dust cover is removed on the right

Boy's Outdoor Roller Skating
  1. Bearing with removable rubber dust cover

    Value: Excellent quality, easy-to-remove dust cover, excellent dust protection, plastic cage

    Features: Highest price, lighter than full metal bearings

    This bearing has only a rubber or metal dust cover and the cage is made of very strong and smooth nylon plastic. This bearing features a dust cover with a special fit with almost no gaps (I) to allow dust to enter the interior; the rubber dust cover has a thin, tight lip that does not create friction.

    Note that there is a thin layer of metal under the rubber dust cap to harden the rubber, do not bend it. To reinstall the dust cover, just press lightly with your fingers until the dust cover is seated.
  2. Mini bearing 688

    Value: Excellent quality, easy-to-remove dust cover, excellent dust protection, plastic cage

    Features: high price, lighter than 608 and 627 bearings, fast starting speed, mostly used for speed roller skating or roller skating blocking
  3. Miniature bearings 167

    Value: Excellent quality, easy-to-remove double-sided dust cover, excellent dust protection, plastic cage

    Features: high price, the lightest roller skating bearing on the market, fast starting speed, special bearing for roller skates to block

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