I have found for you two places that may be able to give you what you
want.
McMaster-Carr
http://www.mcmaster.com/
A Catalog sales company. I've used them many times before. They have a
staggering list of items for sale. Here are a few part numbers that
might interest you
(19.05 mm - 3/4")
6490K12 Polyurethane Ball 3/4" Diameter $ 3.43 Each
(15.875 mm - 5/8")
96385K61 Pure Gum Rubber Ball 5/8" Diameter, 45-50A Durometer $ 4.86
per 10 Pack
96405K71 Neoprene Rubber Ball 5/8" Diameter, 55A - 60A Durometer $
5.56 per 10 Pack
8945K31 Silicone Balls 5/8" Diameter, 60A Durometer $ 9.43 per 10
Pack
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Another company which may have what you want is (are) Minnesota Rubber
and QMR Plastics.
http://www.mnrubber.com/factbook/4-20.htm
Minnesota Rubber
3630 Wooddale Ave
Minneapolis, MN 55416
(952) 927-1400
FAX (952) 927-2192
QMR Plastics
434 Highland Dr.
River Falls, WI 54022
(715) 426-4700
FAX: (715) 426-5115
They have a joint website, listing a range of ball sizes from 2.362 mm
to 25.400 mm and they also do custom sizes. While they have a web
presence, it seems they are a more traditional company, so you would
probably have to call and get a catalog, or have an internal sales
rep. help you.
Search Strategy:
rubber balls metric
://www.google.com/search?sourceid=navclient&querytime=T&q=rubber+balls+metric |