Structure: Spherical Type: Roller Brand Name: XKTE Bore Size: 0 - 130 mm Outside Diameter: 0 - 75 mm Model Number: 22215 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: 1.75kg Application: Conveyors Service: OEM Customized Services Feature: Long Life Width: 31mm