Bearing Finder Customizable search tool featuring exhaustive data sets, comprehensive partinterchanges and interactive CAD drawings CAD (0) ▾ Cart is empty Request CAD files By Keyword By Competitor Part Number By Item # | All Categories Inner Ring for Cylindrical Roller Bearings Open Image All Categories > Cylindrical Roller Bearings > Components for Cylindrical Roller Bearings > Inner Ring for Cylindrical Roller Bearings > Item # MA1311 All CategoriesAll Categories Cylindrical Roller BearingsCylindrical Roller Bearings Components for Cylindrical Roller BearingsComponents for Cylindrical Roller Bearings Inner Ring for Cylindrical Roller BearingsInner Ring for Cylindrical Roller Bearings Item # MA1311 Item # MA1311, Plain Inner Ring, No Rollers MA1311Plain Inner Ring, No Rollers Request Information Email This Page Download PDF Download PDF Printable Page Close Window Unit of Measure Imperial Metric Both Order Now | Technical Specifications | Dimensional Specifications Order Now Ordering Options N/A Find a Distributor Contact NTN Customer Support Specialist Order through NTN DOL (Authorized Distributors Only) Technical Specifications Type N/A Inner Ring Bore Type N/A Round Material N/A Hardened Alloy Steel Precision Ground N/A Yes Tolerance N/A ISO Class 0 (RBEC 1) Weight N/A 0.794 lb0.360 kg Dimensional Specifications Plain Inner Ring, No Rollers - Dimensions B N/A 2.1654 in55.000 mm A N/A 2.8118 in71.420 mm W N/A 1.1417 in29.000 mm R N/A 0.0799 in2.030 mm Required Fields * First Name * Last Name * Email * Confirm Email * User Type Design / consultant Distributor Manufacturer MRO / end user Company Zip/Postal Code Country AFGHANISTANAland IslandsALBANIAALGERIAAMERICAN SAMOAANDORRAANGOLAANGUILLAANTARCTICAANTIGUA AND BARBUDAARGENTINAARMENIAARUBAAUSTRALIAAUSTRIAAZERBAIJANBAHAMASBAHRAINBANGLADESHBARBADOSBELARUSBELGIUMBELIZEBENINBERMUDABHUTANBOLIVIABOSNIA AND HERZEGOWINABOTSWANABOUVET ISLANDBRAZILBRITISH INDIAN OCEAN TER.BRUNEI DARUSSALAMBULGARIABURKINA FASOBURUNDICAMBODIACAMEROONCANADACAPE VERDECAYMAN ISLANDSCENTRAL AFRICAN REPUBLICCHADCHILECHINACHRISTMAS ISLANDCOCOS (KEELING) ISLANDSCOLOMBIACOMOROSCONGOCOOK ISLANDSCOSTA RICACOTE D'IVOIRECROATIACUBACYPRUSCZECH REPUBLICDEMO. PEOPLE'S REP. KOREADemocratic Republic of CongoDENMARKDJIBOUTIDOMINICADOMINICAN REPUBLICECUADOREGYPTEL SALVADOREQUATORIAL GUINEAERITREAESTONIAETHIOPIAFAEROE ISLANDSFALKLAND ISLANDSFED. STATES MICRONESIAFIJIFINLANDFRANCEFRENCH GUIANAFRENCH POLYNESIAFRENCH SOUTHERN TER.GABONGAMBIAGEORGIAGERMANYGHANAGIBRALTARGREECEGREENLANDGRENADAGUADELOUPEGUAMGUATEMALAGuernseyGUINEAGUINEA-BISSAUGUYANAHAITIHEARD AND MC DONALD ISL.HONDURASHONG KONGHUNGARYICELANDINDIAINDONESIAIRANIRAQIRELANDIsle of ManISRAELITALYJAMAICAJAPANJerseyJORDANKAZAKHSTANKENYAKIRIBATIKUWAITKYRGYZSTANLAOSLATVIALEBANONLESOTHOLIBERIALIBYAN ARAB JAMAHIRIYALIECHTENSTEINLITHUANIALUXEMBOURGMACAOMACEDONIAMADAGASCARMALAWIMALAYSIAMALDIVESMALIMALTAMARSHALL ISLANDSMARTINIQUEMAURITANIAMAURITIUSMAYOTTEMEXICOMONACOMONGOLIAMontenegroMONTSERRATMOROCCOMOZAMBIQUEMYANMARNAMIBIANAURUNEPALNETHERLANDSNETHERLANDS ANTILLESNEW CALEDONIANEW ZEALANDNICARAGUANIGERNIGERIANIUENORFOLK ISLANDNORTHERN MARIANA ISL.NORWAYNOT ON THE LISTOMANPAKISTANPALAUPalestinian TerritoryPANAMAPAPUA NEW GUINEAPARAGUAYPERUPHILIPPINESPITCAIRNPOLANDPORTUGALPUERTO RICOQATARREPUBLIC OF KOREAREPUBLIC OF MOLDOVAREUNIONROMANIARUSSIAN FEDERATIONRWANDASaint BarthelemySAINT KITTS AND NEVISSAINT LUCIASaint MartinSAINT VINCENT & GRNDNSSAMOASAN MARINOSAO TOME AND PRINCIPESAUDI ARABIASENEGALSerbiaSEYCHELLESSIERRA LEONESINGAPORESLOVAKIASLOVENIASO. GA & SO. SNDWCH ISL.SOLOMON ISLANDSSOMALIASOUTH AFRICASPAINSRI LANKAST. HELENAST. PIERRE AND MIQUELONSUDANSURINAMESVALBARD & JAN MAYEN ISL.SWAZILANDSWEDENSWITZERLANDSYRIAN ARAB REPUBLICTAIWANTAJIKISTANTHAILANDTimor-LesteTOGOTOKELAUTONGATRINIDAD AND TOBAGOTUNISIATURKEYTURKMENISTANTURKS & CAICOS ISLANDSTUVALUUGANDAUKRAINEUNITED ARAB EMIRATESUNITED KINGDOMUNITED REP. OF TANZANIAUnited States Minor Outlying IslandsUNITED STATES OF AMERICAURUGUAYUZBEKISTANVANUATUVATICAN CITYVENEZUELAVIETNAMVIRGIN ISLANDS (BRITISH)VIRGIN ISLANDS (U.S.A.)WALLIS & FUTUNA ISLANDSWESTERN SOMOAYEMENZAMBIAZIMBABWE I agree to receive other relevant information via email * No Yes Submit