Feature(may vary by option.)

●Bearings
●Feature: High speed, anti-dust, anti-rust, self-lubrication, low noise, for skaters and industry use.
●Super high Speed Roller Skate Bearing 608 Abec11 ZrO2 White full ceramic or Silicon Nitride(Si3N4) Black Full Ceramica Skateboard Bearing for Pro-skate,
●competition bike bicycle bearing, mountain bike bearing, 3D printer parts bearing 608 skates slalom inline skates wheels.
●Pls Note: one is Si3N4 black full ceramic bearing 608, the other is ZrO2 white ceramic bearing 608.

[2pcs Si3n4 608]

[2pcs Zro2 608]

Description

Bearings
Zirconium oxide 6082RS bearing
Specification: 6082RS
Size: 8*22*7mm
Bearing material: zirconia full ceramic
Bearing accuracy: ABEC-11
Number of balls: 7 balls
Seal Type: Dual-side ptfe shield
Cage: PTFE
Recommended for speed and professional competition, not suitable for intense jumps and other movements.
Impact Load: 180kg~210kg
Silicon nitride 6082RS bearing
Specifications： 6082RS
Size: 8*22*7mm
Bearing material: silicon nitride full ceramic
Seal Type: Dual-side ptfe shield
Bearing accuracy: ABEC-11
Number of balls: 7 balls
Cage：PTFE
Impact Load: 180kg~210kg