Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken M667947DW - M667911

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 M667900 Cone Part Number M667947DW Cup Part Number M667911 Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) M667947DW-902A9 Dimensions d - Bore 16.1250 in D - Cup Outer Diameter 21.5000 in B - Double Cone Width 6.3750 in C - Cup Width 2.6875 in T - Bearing Width across Cups 6.3749 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.06 in r - Cup Backface "To Clear" Radius2 0.250 in da - Cone Frontface Backing Diameter 16.97 in Db - Cup Backface Backing Diameter 20.08 in Ab - Cage-Cone Frontface Clearance 0.19 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 98500 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 661000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 171000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 70400 lbf Factors K - Factor7 1.4 e - ISO Factor8 0.42 Y1 - ISO Factor9 1.62 Y2 - ISO Factor10 2.41 G1 - Heat Generation Factor (Roller-Raceway) 4200 Cg - Geometry Factor11 0.223 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary