688 688Z 688 ZZ 8 16 5mm chrome steel deep groove

Type: Ball is_customized: Yes Seals Type: ZZ/RS Brand Name: ZWZ Number of Row: Single Row Precision Rating: ABEC-5 Structure: Deep Groove Bore Size: 16MM Outside Diameter: 8MM Model Number: 688ZZ Place of Origin: Shandong, China (Mainland)