Bearings 10PCS 608 Black Ceramic Bearings 7 Balls ABEC-9 High Rev Skateboard/Longboard/Inline Skate/HandSpinner Bearing

BearingsBearingsBearing Type:Hybrid ceramic bearing Beads: 7 Black Ceramic Beads Suit For Inline Skate / SkateBoard /Freeline Skate / Drift Board / LongBoard Rolling elements: 7 Blackceramic Beads, High Temperature, Abrasion resistance,High Revs. Black Ceramic has better hardness and compressive strength than white Ceramic,that is why it expansive than White Ceramic Bearings. bearing ring:High Quality bearing steel Cage: Nylon ,The material is suitable for highly corrosive environments or high speed scene. Shield: two-sided dust cover Size: 8 * 22 * 7 (Inner * Outer * Height) / Unit: mm Limiting speed: 22,000 rev / min Comparison of Tolerance Class: ABEC-9 Notice: The Bearings is Hybrid Black Ceramic bearings,Please donot use the bearing to play jump or other strong impact action.And donot need to use Lubricants.

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