These ball bearings are made of high quality Chrome Steel and are pre-lubricated with grease from the factory and are available in RS (Rubber Seals). ZZ (Metal Shields) and open configurations.. The 6300-2RS Series ball bearing has two contact rubber seals, one on each side of the ball bearing. The 6300-ZZ Series bearing has two non-contact metal shields, one on each side of the ball bearing. If your application requires a 6300 Series ball bearing with only one seal or shield you can simply remove one of the shields or seals. This 6300 Series ball bearing is a high quality ABEC 1 product and can operate efficiently in many demanding applications.

These ball bearings are made of high quality Chrome Steel and are pre-lubricated with grease from the factory and are available in RS (Rubber Seals). ZZ (Metal Shields) and open configurations.. The 6300-2RS Series ball bearing has two contact rubber seals, one on each side of the ball bearing. The 6300-ZZ Series bearing has two non-contact metal shields, one on each side of the ball bearing. If your application requires a 6300 Series ball bearing with only one seal or shield you can simply remove one of the shields or seals. This 6300 Series ball bearing is a high quality ABEC 1 product and can operate efficiently in many demanding applications.