Tapered Roller Bearings - TS (Tapered Single) Imperial Timken EE470078X - 470128

Описание

This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft. Specifications Series 470000 Cone Part Number EE470078X Cup Part Number 470128 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 7 in D - Cup Outer Diameter 12.875 in B - Cone Width 3.6250 in C - Cup Width 2.5 in T - Bearing Width 3.5625 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.380 in r - Cup Backface "To Clear" Radius2 0.250 in da - Cone Frontface Backing Diameter 7.91 in db - Cone Backface Backing Diameter 8.54 in Da - Cup Frontface Backing Diameter 12.08 in Db - Cup Backface Backing Diameter 11.57 in Ab - Cage-Cone Frontface Clearance 0.01 in Aa - Cage-Cone Backface Clearance 0.51 in a - Effective Center Location3 -0.86 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 59200 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 229000 lbf C0 - Static Radial Rating 354000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 37100 lbf Factors K - Factor7 1.6 e - ISO Factor8 0.37 Y - ISO Factor9 1.64 Cg - Geometry Factor10 0.13