Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken LM247748D - LM247710

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 LM247700 Cone Part Number LM247748D Cup Part Number LM247710 Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) LM247748D-902A7 Dimensions d - Bore 9.6250 in D - Cup Outer Diameter 12.875 in B - Double Cone Width 3.6250 in C - Cup Width 1.5000 in T - Bearing Width across Cups 3.6250 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 10.12 in Db - Cup Backface Backing Diameter 12.2 in Ab - Cage-Cone Frontface Clearance 0.16 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 33000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 222000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 57500 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 18200 lbf Factors K - Factor7 1.82 e - ISO Factor8 0.32 Y1 - ISO Factor9 2.1 Y2 - ISO Factor10 3.13 G1 - Heat Generation Factor (Roller-Raceway) 1170 Cg - Geometry Factor11 0.135 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary