[Vwdiesel] 81 Rabbit - wheel bearings

[Rolf Pechukas]

found bearing here:

http://www.autohausaz.com/search/product.aspx? 
sid=s5vucbbrf3al10m0buwgnu3f&makeid=800026 at VW&modelid=1285017 at RABBIT% 
20CUSTOM&year=1981&cid=14 at Brake%20%26%20Wheel%20Hub&gid=1672 at Wheel% 
20Bearing

need 1 each per wheel, right?
4 total?

anywhere else to buy?
anything else I'll need?
grease? have white lithium, is that adequate?

thanks
-- 

Rolf in MA