>> P.401
■틈새롤러플로워의레이디얼내부틈새는표6에따릅니다.■fit롤러플로워는일반적으로외륜회전하중부분에사용되며,축과의권장fit는표7과같습니다.인치계열은치수표에기재되어있습니다.■최대정허용하중롤러플로워에부하할수있는하중은니들롤러베어링으로서의정격하중보다외륜의강도에의해결정되는경우가있습니다.따라서최대정허용하중이정해져있습니다.표5최소실측내접원경Fwsmin의허용차Fw호칭내접내경mm∆Fwsmin최소실측내접원경의치수차을(를)초과이하상하6101830501018305080+22+27+33+41+49+13+16+20+25+30단위μm표6레이디얼내부틈새의값호칭번호(1)미터계열분리형롤러플로워비분리형롤러플로워(2)복렬원통롤러플로워비분리형롤러플로워최소최대인치계열레이디얼내부틈새NAST6RNAST8R~NAST12RNAST15R~NAST25RNAST30R~NAST40RNAST45R,NAST50R─────NART5RNART6R~NART12RNART15R~NART20RNART25R~NART40RNART45R,NART50R──────────NURT15R~NURT30-1RNURT35R~NURT40-1RNURT45R~NURT50-1R──────────CRY12R~CRY56RCRY64R55101015202530354520253040504550606070단위μm주1)총롤러,원통외륜,실드형및씰형에도적용합니다.(2)C루브롤러플로워에도적용합니다.주1)C루브롤러플로워에도적용합니다.표7권장fit(미터계열)베어링의형식축의공차역클래스분리형롤러플로워내륜없음내륜부착k5,k6g6,h6비분리형롤러플로워(1)복렬원통롤러플로워401
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