80018 or 608zz

Bearing 608ZZ - ball radial closed type. There is a video bearing on the channel   It has one row of rolling elements - balls. Designed for radial loads acting perpendicular to the shaft axis. Sizes 8*22*7 mm. Closed with metal washers. Lubricant applied at the factory, the bearing does not need additional care. It is protected from dust, dirt and small particles of garbage. It has lower moisture protection than its analogue, covered with rubber caps. - 608 2rs video review

Widely represented by various brands, as it is popular. Marked mainly as 608 ZZ (Craft Lithuania, SNR France, FBJ Japan) or 608 2Z (ZKL Czech, SKF Sweden). Possible option 608-2ZR (ZVL Slovakia) or 608ZZ ABEC 1 (CX Poland).
Marking of the bearing is applied on metal covers and / or ends of the clips, by the method of electro-etching or embossing.

Choose, which bearings are better for rollers,  мPerhaps, focusing on price: the higher the price, the better the quality. Often, sellers offer high-precision (ABEC9, aka 2nd accuracy class according to GOST) bearings, which are sometimes several times more expensive than usual, asserting that "they are better." Is it true or not - you can read in our article.

Bearing specifications:

Internal diameter d - 8 mm;

Outer diameter D - 22 mm;

Height / width B - 7 mm;

Bearing weight m - 0,012 kg;

Dynamic load rating Co - 3,3 kN;

Статическая грузоподъемность C — 1,4 кН;

The maximum rotational speed for plastic lubricant npl - 32000 r / min.

 The maximum rotational speed with liquid lubricant nж is 38000 rpm.

Most popular as bearings for roller skates. Also find application in household appliances, the manual electric tool, toy models.

There are also other design variations of this bearing:

• open - 608 (18 according to GOST);
• open with stainless steel elements - w608 (GOST 18YU);
• covered with rubber covers - 608 rs (GOST 180018);
• closed with rubber lids with a thermal gap - 608 rs c3 (GOST 180018-70);
• closed with metal lids with a thermal gap - 608 zz c3 (GOST 80018-70).

The site MIC-Bearing presents a wide range of bearing 608 in various modifications. Availability and prices are current at the time of ordering.