Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 27880 - 27820D

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 27800 Cone Part Number 27880 Cup Part Number 27820D Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 27880-90014 Dimensions d - Bore 1 1/2 in D - Cup Outer Diameter 3.1510 in B - Cone Width 0.9330 in C - Double Cup Width 1.7700 in T - Bearing Width across Cones 2.2500 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.03 in r - Cup Backface "To Clear" Radius2 0.030 in db - Cone Backface Backing Diameter 1.89 in Da - Cup Frontface Backing Diameter 2.99 in Aa - Cage-Cone Backface Clearance 0.1 in a - Effective Center Location3 -0.1 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 4550 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 30500 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 7920 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 4370 lbf Factors K - Factor8 1.04 e - ISO Factor9 0.56 Y1 - ISO Factor10 1.2 Y2 - ISO Factor11 1.79 Cg - Geometry Factor12 0.0839