Product details Product Dimensions : 2.17 x 0.51 x 3.15 inches; 7.05 ounces Item model number : HC71911ETP4SUL BrandFAG Bearings Item dimensions L x W x H2.17 x 0.51 x 3.15 inches Item Weight0.2 Kilograms Item Thickness13 Millimeters ManufacturerFAG FAG HC71911-E-T-P4S-UL Angular Contact Ball Bearing, Precision Hybrid Ceramic, 55 mm ID, 80 mm OD 13 mm Width