Tapered Roller Bearings - TS (Tapered Single) Imperial Timken EE780688 - 781400

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 780000 Cone Part Number EE780688 Cup Part Number 781400 Design Unit Inch Cage Material Pin-Type Dimensions d - Bore 6.8750 in D - Cup Outer Diameter 14 in B - Cone Width 2.375 in C - Cup Width 1.6250 in T - Bearing Width 2.4375 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.190 in r - Cup Backface "To Clear" Radius2 0.190 in da - Cone Frontface Backing Diameter 8.11 in db - Cone Backface Backing Diameter 8.07 in Da - Cup Frontface Backing Diameter 12.68 in Db - Cup Backface Backing Diameter 12.60 in Ab - Cage-Cone Frontface Clearance 0.26 in Aa - Cage-Cone Backface Clearance 0.27 in a - Effective Center Location3 -0.01 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 51100 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 197000 lbf C0 - Static Radial Rating 243000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 34900 lbf Factors K - Factor7 1.46 e - ISO Factor8 0.4 Y - ISO Factor9 1.5 G1 - Heat Generation Factor (Roller-Raceway) 646.5 G2 - Heat Generation Factor (Rib-Roller End) 79.5 Cg - Geometry Factor10 0.118