Generic MR74zz 4x7x2.5mm Metal Double Shielded Ball Bearings (Pack of 10)
Miniature Ball Bearings, Deep Groove Ball Bearings, Thin Groove Ball Bearings are the most common type of rolling bearing and are used in a wide variety of applications.
For applications that require high-speed, low-friction torque, low vibration, low noise environment product is a broad use of the bearing.
Suitable for all types of RC Cars, Roller Skate, Bicycle, industrial equipment, small rotary motors, etc.