Set of 2 6904-2RS sealed wheel bearings for gas and electric scooters. This bearing is also known as 6904RS.
This is a widely used size bearing and it can be used in various applications. Each bearing has 2 rubber seals to protect the bearing from dust or any possible contamination. Bearings are pre-lubricated with grease.
Note that 1 set is required for each wheel.
Outer Diameter: 37 mm
Inner Diameter: 20 mm
Width: 9 mm