Will 5.5 Inch Tires Fit A 5 Inch Rims Will These Rims Fit On My 2001 Xterra.?

Will these rims fit on my 2001 xterra.? - will 5.5 inch tires fit a 5 inch rims

Hello I am a couple of new tires for my 2001 Nissan Xterra buy. The 18-inch wheels and tires are on my course is 16 years. I understand that I intend to buy new tires, but I wonder if they fit my Xterra.
They are:

Tires Manufacturer / Model: Nissan OEM

Wheel Size: 18x8

Wheel Lug / bolt pattern: 6 139.7 mm (6 to 5.5)

Rear Wheel Space: 5.5 Approx.

Shipping Bikes: silver alloy

The link is: http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&sspagename=STRK 3AMESE ViewItem 3AMEBIDX%% & = & item = 280,262,892,757