SMR63-2RS ABEC 7 SI3N4 DRY Stainless Steel Ceramic Si3N4 Sealed Bearing 3mm x 6mm x 2.5mm Outer Diameter - 13 inch (13") Made from high-grade 52100 chrome

Made from high-grade 52100 chrome steel

1638ZZ Nachi Ball Bearing

also 110SS bearings are pre-lubricated with grease

measures an inner diameter of 1/8" inch

SMR63-2RS ABEC 7 SI3N4 DRY Stainless Steel Ceramic Si3N4 Sealed Bearing 3mm x 6mm x 2.5mm Outer Diameter - 13 inch (13") Made from high-grade 52100 chromeSMR63 2RS ABEC 7 SI3N4 DRY Stainless Steel Ceramic Si3N4 Sealed Bearing 3mm x 6mm x 2. 5mm SMR63 2RS ABEC 7 SI3N4 DRY Stainless Steel Ceramic Ball Bearing, Made of stainless steel and rubber sealed on both sides. Bearing balls are Si3N4 ceramic. Inner diameter is 3mm, outer diameter is 6mm and width is 2. 5mm. SMR63 2RS ABEC 7 SI3N4 DRY Ball Bearing Deep Groove Ball Bearing Material: Stainless Steel Ball Material: Ceramic Lubrication: Dry (None)