Bearings
Bearing Type: Hybrid ceramic bearing
Beads: 7 Black Ceramic Beads (Si3N4)
Bearings Ring: Stainless Steel
Cage: Nylon ,The material is suitable for highly corrosive environments or high speed scene.
Rolling elements:7 Blackceramic Beads, High Temperature and Abrasion resistance,High Revs.
Black Ceramic has better hardness and compressive strength than white Ceramic,that is why it expansive than White Ceramic Bearings.
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