Inner seal for green bearings

I'd avoid Jim's unless you like crazy shipping charges that aren't disclosed before you buy.

Here are some other places that may be able to help out.

http://www.billrolikenterprises.com/products.asp?pg=5

http://www.brewersperformance.com/products.asp?cat=74

Or Cass, aka Dr. Diff 406-883-4772