3x10x4 mm Full Ceramic, Zirconia ZrO2 Inner/Outer/Balls, Full Complement, Open, Lube Dry, ABEC #7

Retainer, C3 Fit, ABEC #5, Lube Dry.
Item: 623 Ball Bearing
Type: Full Ceramic Ball Bearing
Cage: PTFE
Balls: ZrO2 zirconium oxide ceramic
Inner/outer races: ZrO2 (zirconium oxide) Ceramic
Dimensions: 3mm x 10mm x 4mm/Metric
ID (inner diameter)/Bore: 3mm
OD (outer diameter): 10mm
Width/Height/thickness: 4mm
Size: 3 x 10 x 4 mm
Quantity: One Bearing