Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken LM258649D - LM258610

Описание

TDI bearings have a one-piece double inner race and two single outer races and are typically supplied complete with an outer race spacer as a pre-set assembly. The bearing can be used at fixed positions on rotation shaft applications. For rotating housing application it can be used to float on the stationary shaft. Specifications Series LM258600 Cone Part Number LM258649D Cup Part Number LM258610 Design Unit Inch Cage Material Stamped Steel Note This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components. Related Assembly Number(s) LM258649D-90014 Dimensions d - Bore 12.5000 in D - Cup Outer Diameter 16.6250 in B - Double Cone Width 5.0625 in C - Cup Width 2.1250 in T - Bearing Width across Cups 5.0625 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.06 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 13.12 in Db - Cup Backface Backing Diameter 15.67 in Ab - Cage-Cone Frontface Clearance 0.14 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 57500 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 386000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 100000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 31400 lbf Factors K - Factor7 1.83 e - ISO Factor8 0.32 Y1 - ISO Factor9 2.11 Y2 - ISO Factor10 3.15 Cg - Geometry Factor11 0.174 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary