How much would it cost to fix the bearings in a 1989 toyota truck?

heres a link to it. http://inlandempire.craigslist.org/cto/2325347472.html but she didnt put what type of toyota it was can someone tell me how much it would b to fix it?How much would it cost to fix the bearings in a 1989 toyota truck?They don't say what bearings they are talking about. If it's the engine bearings then you need a new engine.