2X 4X 6803-2RS 6903-2RS HYBRID CERAMIC Si3N4 ABEC5 BALL BEARING KIT 6 PIECES,CERAMIC Si3N4 ABEC5 BALL BEARING KIT 6 PIECES 2X 4X 6803-2RS 6903-2RS HYBRID,Hybrid ceramic sealed ball bearing, Dual rubber seals provide a light no drag fit on the inner race, Black ceramic Si3N4 G5 grade balls provide the best wear resistance and lowest rolling resistance of hybrid style bearings.BALL BEARING KIT 6 PIECES 2X 4X 6803-2RS 6903-2RS HYBRID CERAMIC Si3N4 ABEC5.

2X 4X 6803-2RS 6903-2RS HYBRID CERAMIC Si3N4 ABEC5 BALL BEARING KIT 6 PIECES

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2X 4X 6803-2RS 6903-2RS HYBRID CERAMIC Si3N4 ABEC5 BALL BEARING KIT 6 PIECES
Hybrid ceramic sealed ball bearing, Dual rubber seals provide a light no drag fit on the inner race, Black ceramic Si3N4 G5 grade balls provide the best wear resistance and lowest rolling resistance of hybrid style bearings.