NSK 6803ZZ Deep Groove Ball Bearing with single row, which is commonly used for industrial products, household, medical apparatus, motor, and so on. Product technical reference coefficient of NSK 6803 ZZ: Inner diameter : 8 mm Outer diameter : 22 mm Thickness : 7 mm Limited speed : 75000 r/min Referenced speed :L 38000 r/min Part stock list of NSK bearings are shown as follows: 608 * 628/9-Z 608-2RSH * 　 608-2RSL * 619/9-2Z 608-2Z * 609 * 608-2Z/C3WT * 609-2RSH * 608-RSH * 609-2RSL * 608-RSL * 609-2Z * 608-Z * 609-RSH * 630/8-2RS1 609-RSL * 628 * 609-Z * 628-2RS1 * 629 * 628-2RZ * 629-2RSH * 628-2Z * 629-2RSL * 628-RS1 * 629-2Z * 628-RZ * 629-RSH * 628-Z * 629-RSL * 638-2RZ 629-Z * 638-RZ EE 3 TN9 618/9 EEB 3-2Z 628/9-2RS1 61800 628/9-2Z 61800-2RS1 If you are interested in NSK deep groove ball bearing, please feel free to contact us,our email:bella@dksbearing.com.