Structure: Spherical Type: Roller Brand Name: XKTE Bore Size: 0 - 180 mm Outside Diameter: 0 - 100 mm Model Number: 22220CC Precision Rating: P0 P6 P5 P4 P2 Seals Type: Open Number of Row: Double Row Place of Origin: Shandong, China (Mainland) Certification: ISO9001:2015 Material: Chrome Steel GCR15 Weight: 5kg Application: conveyors Service: OEM Customized Services Retainer: Iron Retainer Lubrication: Oil/greese