149.225X 236.538MM TAPERED ROLLER BEARING , BASIC BEARING NAME MODIFICATION NAME TAPERED ROLLER RACES TWO RACES CAGE WITH CAGE STEEL CAGE MATERIAL SEALING WITHOUT SEALING SIMPLE MOUNTING RETAINING RING WITHOUT RETAINING RING INTERNAL DIAMETER 149.225 MM EXTERNAL DIAMETER 236.538 MM WIDTH 131.760 MM ADDITIONAL REQUIREMENTS SEE NOTE COMMERCIAL REFERENCE TIMKEN-HM231148+HM231111CD-TDO NOTE: – TDO TYPE, WITH SPACER; – DIMENSIONAL DRAWING INNOBRA INNOCENTI-S10804.