Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 87750C - 87112DC

Описание

The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore. Specifications Series 87000 Cone Part Number 87750C Cup Part Number 87112DC Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 7.5 in D - Cup Outer Diameter 11.1250 in B - Cone Width 1.875 in C - Double Cup Width 3.1250 in T - Bearing Width across Cones 4.2500 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 8.23 in Da - Cup Frontface Backing Diameter 10.51 in Aa - Cage-Cone Backface Clearance 0.32 in a - Effective Center Location3 0.15 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 23600 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 159000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 41200 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 16800 lbf Factors K - Factor8 1.41 e - ISO Factor9 0.42 Y1 - ISO Factor10 1.62 Y2 - ISO Factor11 2.42 Cg - Geometry Factor12 0.116