Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken LM451349D - LM451310

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 LM451300 Cone Part Number LM451349D Cup Part Number LM451310 Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) LM451349D-90045 Dimensions d - Bore 10 1/2 in D - Cup Outer Diameter 14 in B - Double Cone Width 4.3125 in C - Cup Width 1.7500 in T - Bearing Width across Cups 4.2499 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 11.06 in Db - Cup Backface Backing Diameter 13.19 in Ab - Cage-Cone Frontface Clearance 0.15 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 40900 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 275000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 71200 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 25200 lbf Factors K - Factor7 1.62 e - ISO Factor8 0.36 Y1 - ISO Factor9 1.87 Y2 - ISO Factor10 2.79 Cg - Geometry Factor11 0.154 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary