1,CF30wheel and pin bearing ,also is our typical series. 2,the inner ... to 35mm is our scape 3.the precision 1,CF530wheel and pin bearing,also is our typical series.2,the inner ... standard4,we can accept nonstandard parts5,the nut is silvery, and pin is balck normal6.the detail data please visit our ... we can help,tell me please.8.welcome inquiry. CF30 wheel and pin bearing