Tapered Roller Bearings - TS (Tapered Single) Imperial Timken EE420850 - 421450

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 EE420850 Cup Part Number 421450 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 8 1/2 in D - Cup Outer Diameter 14.5000 in B - Cone Width 3.1249 in C - Cup Width 2.5 in T - Bearing Width 3.2500 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.06 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 9.29 in db - Cone Backface Backing Diameter 9.29 in Da - Cup Frontface Backing Diameter 13.21 in Db - Cup Backface Backing Diameter 13.03 in Ab - Cage-Cone Frontface Clearance 0.14 in Aa - Cage-Cone Backface Clearance 0.34 in a - Effective Center Location3 -0.24 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 64300 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 248000 lbf C0 - Static Radial Rating 409000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 44200 lbf Factors K - Factor7 1.45 e - ISO Factor8 0.4 Y - ISO Factor9 1.49 G1 - Heat Generation Factor (Roller-Raceway) 1150.5 G2 - Heat Generation Factor (Rib-Roller End) 128.2 Cg - Geometry Factor10 0.145