Post by tommy on Jul 23, 2013 16:18:54 GMT -7
Boca Bearing has both inch and metric sizes for the hobbyist .Their phone number is 1 800 332 3256.Fax 1 800 409 9191.Also try www.bocabearings.com They have different types and grades of bearings also with different prices, and you may find some one who knows his bearings.(pun fun).