6806 2RS Deep Groove Ball Bearing dimensions: Bore Diameter 30mm, Outside Diameter 42mm, Width 7mm. It is made of 100% Chrome Steel and Pre-Lubricated with High-Quality Grease, ideal for use in High, and Low-temperature settings.
This deep groove ball bearing has a rubber seal on both sides connected to the inner ring to stop dust from entering. If your application requires a ball bearing with one seal or opened without seals, you can easily remove one or both seals.