ProTek RC 13x19x4mm Ceramic Rubber Sealed "Speed" Bearing (2)

The ProTek RC 13x19x4mm Ceramic Rubber Sealed "Speed" Bearing is a hybrid ceramic ball bearing designed for RC racing applications. This pack includes two bearings with Chrome Steel inner and outer races and Si3N4 silicone nitride ceramic balls.

Features

• 13x19x4mm bearing size
• Rubber sealed design
• Hybrid construction with Chrome Steel inner and outer races
• Si3N4 silicone nitride ceramic balls
• Ceramic construction offers reduced friction and vibration, increased corrosion and wear resistance, and higher RPM capabilities compared with standard steel bearings
• Proper shimming and lubrication are important for long bearing life