SUOFEILAIMU Full Ceramic 608 Bearing Inline Roller Skates Board Bearing 608 Skate Speed Skating 8x22x7mm Si3n4 Zro2 Ceramic 608 (Color : 1pc 608 Si3n4 Open)

Description

• 1) White ceramic Zro2 balls has the features of: anti-rust, anti-dust, self-lubricated, high tenacity, high flexural strength,high abrasion performance and can bear high temperature.
• 2) Black ceramic Si3n4 balls has all the features better than Zro2 balls, most importantly, si3n4 balls can bear higher temperature,
• when the bearing is under very fast speed rotation,the balls won't expand. So that it can help to ensure a faster speed and longer life of the bearing.
• Feature: High speed ,anti-dust,anti-rust,self-lubrication,low noise, for skaters and industry use.

Dimensions: 8 x 22 x 7mm
(Inner Diameter: 8mm, Outer Diameter: 22mm, Width:7mm)
Material of Inner & Outer Ring Balls Zirconium oxide ZrO2) full White Ceramic or Silicon Nitride(Si3N4) full black Ceramic
Material of the Retainer : Ptfe cage
Numbers of Balls: 7 ceramic Balls
Seal Type: open type
Impact Load: 180kg~210kg
Contents: 1 pc bearing

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