Structure: Deep Groove Type: Ball Brand Name: XKTE Bore Size: 0 - 30 mm Outside Diameter: 0 - 72 mm Model Number: 6306KA Precision Rating: ABEC-1 Seals Type: Open Number of Row: Single Row Place of Origin: Shandong, China (Mainland) Certificate: ISO9001:2015 Material: Chrome Steel GCR15 Weight: 0.346kg Width: 19mm Application: Conveyors Service: OEM Customized Services Retainer: Nylon Retainer