Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken LM282549D - LM282510

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 LM282500 Cone Part Number LM282549D Cup Part Number LM282510 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) LM282549D-90010 Dimensions d - Bore 27.8750 in D - Cup Outer Diameter 36.6250 in B - Double Cone Width 10.7500 in C - Cup Width 4.5625 in T - Bearing Width across Cups 10.7500 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 29.17 in Db - Cup Backface Backing Diameter 34.61 in Ab - Cage-Cone Frontface Clearance 0.34 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 270000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 1810000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 470000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 154000 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) 18200 G2 - Heat Generation Factor (Rib-Roller End) 1090 Cg - Geometry Factor11 0.338 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary