Chrome steel yoyo ball bearing with 8 balls R188KK

Chrome steel yoyo ball bearing with 8 balls R188KK

product information:

Structure:Ball

Type:Ball

Brand Name:YWS

Internal diameter:6.35mm

External diameter:12.7mm

Width:4.762mm

size:6.35X12.7X4.762mm

Load Rating(Cr):960 N

Load Rating(Cor):350 N

Weight:0.006kg

Material:Chrome steel/GCr15/Stainless steel/ceramic

Sealing type: You can choose Metal seal Or Rubber seal

Is customized: Yes (Drawings required)

Related accessories: Oil seal,Circlip and housings etc.

Wholesale and freight: To provide you with accurate solutions

Product description：

Model: R188UU / R188 Type: Deep groove ball bearings Inside diameter: 6.35 (mm) Outside diameter: 12.70 (mm) Thickness: 4.762(mm) Weight: 0.006 (kg) Cage material: bearing steel Use features: high speed Uses: General Rolling out a few: single Roller type: deep groove raceway Sample or spot: spot Cheng Material: bearing steel YOYO ball bearings, R188 bearings, precision bearings KK, U-groove bearing shaft

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As a professional bearing products supplier with many years experiences,we could offer many kinds of good quality ball bearings. We are open to all sincere buyers, for further information, welcome to make inquiry, thank you for taking time to read our information! 

The Application: the R188KK bearing is mainly used in the yo-yo toy.

The YO YO ball bearing introduction:

Yo yo ball bearing is dedicated to the Yo Yo ball (also known as yo yo) custom bearing, have the ordinary type, special type and special strengthen version type.
The most common type of Yo Yo ball bearing bearing, is the steel deep groove ball bearings, the bearings belongs to miniature bearing, inner diameter from 3mm-6mm range. This bearing has high speed, mostly be open, but also used as the sealed type.
The special type of Yo Yo ball bearing belongs to non standard inch bearings, outer circle is U-shaped, also known as KK bearing. The best advantage of the bearing is U-shaped groove design conforms to the yo yo use characteristics, the Yo Yo ball speed smooth.
The special enhanced version of the Yo Yo ball bearing is also called KK high precision bearings, just as its name implies is KK bearing with high precision, accuracy and material is the main factors, influencing the performance of the bearing, directly determine the bearing of the price, running time naturally longer than other bearings. The biggest advantage of this special bearing is that when the ball is played, the rope will be in the center of the bearing as much as possible, reducing the friction between the rope and the ball.

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