Manufacturer designation:

689

Interchange designations:

618/9;
1000089 

Design:

The ball bearing consists of two rings (internal and external) and rolling elements (balls), connected with a cage - separator. 

Application:

conveying equipment; robotics; 3D printers;
fidget spinner;
dental equipment;
rolling mills; skateboard; inline skating
ship rudder shafts;
aggregate crushers;
DC Motors; Blower; bend saw, hand piece, hobby;
RC Helicopters, RC Planes, RC Trucks, RC Cars