Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken L281149D - L281110

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 L281100 Cone Part Number L281149D Cup Part Number L281110 Design Unit Inch Cage Material Pin-Type 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) L281149D-904A1 Dimensions d - Bore 26.0000 in D - Cup Outer Diameter 32.0000 in B - Double Cone Width 6.9375 in C - Cup Width 2.875 in T - Bearing Width across Cups 6.9375 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.13 in r - Cup Backface "To Clear" Radius2 0.250 in da - Cone Frontface Backing Diameter 26.88 in Db - Cup Backface Backing Diameter 30.59 in Ab - Cage-Cone Frontface Clearance 0.27 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 159000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 1070000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 278000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 90700 lbf Factors K - Factor7 1.76 e - ISO Factor8 0.33 Y1 - ISO Factor9 2.03 Y2 - ISO Factor10 3.02 G1 - Heat Generation Factor (Roller-Raceway) 12600 G2 - Heat Generation Factor (Rib-Roller End) 984 Cg - Geometry Factor11 0.297 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary