>> P.21
Shield/sealsymbolsZZNosymbolOpentypeSteelplateshieldSteelplateshield(snapringfixed)SteelplateshieldSteelplateshieldRubbersealRubberseal(non-contacttype)Rubberseal(contacttype)ZHKSDSeep.32fordetailsIndicatedtwicewhenmountingonbothsides.Ex.:ZZ,DD,etc.SupplementarysymbolsNoise/specialsymbolsMTRetainersymbolsRMTSDWYLow-noisemotorspecificationsSpecialdesignspecificationsWiderthanstandardtypeNarrowerthanstandardtypeRHMNRibbonretainer(steelplate)Crownretainer(steelplate)Resinretainer(polyamide/reinforced)Seep.33fordetailsOtherresinmaterialsarealsoavailableforresinretainers.21