Inside Diameter: 3mm - Outside Diameter: 10mm - Width: 4mm;Bearing Material: Stainless Steel 440C, Ball Material: Ceramic SI3N4, ABEC#7/ISOP4;Enclosure: Two Seals, Enclosure Material: Rubber Seal;Retainer Material: Stainless Steel, Radial Play: C3, Lubrication: LD Dry Lube

• SMR103C-2OS/P58 #7 LD, 3x10x4 mm, Stainless Steel Ceramic Hybrid Radial Bearing

SMR103C-2OS/P58 #7 LD, 3x10x4 mm, Stainless Steel Ceramic Hybrid Radial BearingBoca Bearing Company