R8-2RS Deep Groove Ball Bearing, Inch Size 1/2" x1-1/8 x5/16, Precision Chrome Steel Material, Pick with 6 PCS R8RS Bearings for Wheelchair Grinder Wheel or Stroller Motor

["INCH SIZE Inside Diameter: 0.5 inch ,Outside Diameter: 1.125 inch ,Width: 0.3125 inch","METRIC SIZE Inside Diameter: 12.7 mm ,Outside Diamater: 28.575 mm ,Width: 7.938 mm","Deep Groove Geometry For High Speeds And Supporting Both Radial And Axial Loads","Rubber Seals On Both Sides Of The Bearing To Keep Lubricant In And Contaminants Out","Suitable For Use In Electric Motor Applications, Wheelchair Front Caster Forks, 2 X 72 Grinder Wheels, Lawn-Mower"]