Rated 5 out of 5 stars.
This is a brand new Timken deep groove ball bearing, model 6010-2RS.

The \2RS\ means it's rubber sealed on both sides to keep dirt out and grease in.

The dimensions are 50mm inside diameter, 80mm outside diameter, and 16mm wide.

It's a high-quality Timken bearing, so you know it's reliable.

Perfect for a wide range of industrial or mechanical applications.
Country of manufacture is unknown, but it's genuine Timken.
