WEIWEIBEIER 608RS 7mm/8mm Full Ceramic Bearing ZrO2/Si3n4 Bearing Skateboard 7mm Quad Skates Bearing Inline Skates Bearings ABEC11 (Size : 1pc Si3n4 627-2rs)

Description

• Feature: High speed ,anti-dust,anti-rust,self-lubrication,low noise, for skaters and industry use.
• 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.

Dimensions:
608 bearing:8 x 22 x 7mm (Inner Diameter: 8mm, Outer Diameter: 22mm, Width:7mm)
627 bearing:7 x 22 x 7mm (Inner Diameter: 7mm, 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
Material& Color of Seal
White Ptfe seal
Numbers of Balls
7 ceramic Balls
Seal Type:
Dual-side ptfe shield / Open Style
Impact Load:
180kg~210kg

Contents:
1 pc bearing

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