I changed one pulley bearing with SKF 6302-2RS-C3 and another using a Nachi 6302-2NSE-C3. The Nachi internal race is a little bit wider and you might not need to have the washer, but I applied 1 anyways. I bought two distinct bearings in order to see which a person lasts https://directory-cube.com/listings13168262/5-simple-techniques-for-upper-lip-threading-salon-in-west-roseville