Bore Size: 0-28mm Outside Diameter: 0-52mm Precision Rating: P0 P6 P5 P4 P2 Seals Type: Open of Row: Single Row Material: Chrome Steel GCr15 Cage: Steel Application: Automotive Service: OEM Service Stock: Large Seal: Open Feature: Long Life Vibration: V1 V2 V3 V4 Lubrication: Grease Product Name: HR320 28XJ Bearing