... :wheel and pin bearing Concise design, convenient use, reliable in quality, best for your choice. Feature:1.Size:13-90mm2.Good quality and ... kinds of rod ends bearing,linear bearing, guides, flange etc. and good quality wheel and pin bearing. sizeKR13KR16KR19KR22KR26KR30KR32KR35KR40KR47KR52KR62KR72KR80KR85KR90KRV13KRV16KRV19KRV22KRV26KRV30KRV32KRV35KRV40KRV47KRV52KRV62KRV72KRV80KRV85KRV90