Tapered Roller Bearings - TS (Tapered Single) Imperial Timken EE420751 - 421417

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 420000 Cone Part Number EE420751 Cup Part Number 421417 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 7.5 in D - Cup Outer Diameter 14.1732 in B - Cone Width 3.4999 in C - Cup Width 2.5 in T - Bearing Width 3.6250 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.25 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 8.58 in db - Cone Backface Backing Diameter 8.94 in Da - Cup Frontface Backing Diameter 13.21 in Db - Cup Backface Backing Diameter 12.87 in Ab - Cage-Cone Frontface Clearance 0.14 in Aa - Cage-Cone Backface Clearance 0.72 in a - Effective Center Location3 -0.61 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 68100 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 263000 lbf C0 - Static Radial Rating 409000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 46800 lbf Factors K - Factor7 1.45 e - ISO Factor8 0.4 Y - ISO Factor9 1.49 G1 - Heat Generation Factor (Roller-Raceway) 1150 G2 - Heat Generation Factor (Rib-Roller End) 128 Cg - Geometry Factor10 0.145