15-Pack Bearings 6004 Full Ceramic Si3N4 Bearing 20x42x12mm Inner Diameter - 2 3/16 inch (2.1875") Equal Koyo 6820

Equal Koyo 6820

Dimensions (inches) a e i g l s b z Bi n 5-1/8" 3-57/64" 5/8" 1/2" 1-5/32" 7/16" 2-11/16" 1-13/32" 1-11/32" 9/16"

Set of 8 Skateboard

SMR74-2RS Bearing Outer Diameter (OD): 7mm

15-Pack Bearings 6004 Full Ceramic Si3N4 Bearing 20x42x12mm Inner Diameter - 2 3/16 inch (2.1875") Equal Koyo 68206004 Full Ceramic Ball Bearing Ceramic Si3N4 Pack of 15 6004 Full Ceramic Ball Bearing, measures an inner diameter of 20mm, outer diameter is 42mm and the width is 12mm, Bearing is made from Ceramic. 6004 Ball Bearing Full Ceramic Ball Bearing Inner outer races: Si3N4 Ceramic Balls: Si3N4 Ceramic Cage Material: PTFE (Polytetrafluoroethylene) Dimensions: 20mmx42mmx12mm Metric ID (inner diameter) Bore: 20mm OD (outer diameter): 42mm Width: 12mm