... GradeLubricating oilsize 31 up to 81 with oil, size 91 up to 101 without oil.Heat treatmenttempering, cementiting, quenching,etc.Brand of ... bearingsHRB,LYC,ZWZ,NSK or other brandBrand of oil sealNAK or other brandNoise (MAX)60~68dB Temp. rise (MAX ... )40Temp. rise (Oil)(MAX)50Vibration≤20µmREC series single stage helical gearmotorModelShaft Dia ...