The radial ball bearing is A type of rolling-element bearing that uses balls to maintain the separation between the bearing races.

The 6302-2RS and 6302-ZZ is a 15mm ball bearing that are found in many applications.

The 6302-2RS ball bearing has two contact rubber seals one on each side of the ball bearing. The 6302-ZZ ball bearing has two non-contact metal shields one on each side of the ball bearing.

If your application requires a 6302 ball bearing with only one seal or shield you can get this ball bearing and take one of the shields or seals off. This 15mm ball bearing is high quality and can take electric motor demands if needed.