Tapered Roller Bearings - TS (Tapered Single) Imperial Timken EE425179A - 425299

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 425000 Cone Part Number EE425179A Cup Part Number 425299 Design Unit Inch Cage Material Pin-Type Related Assembly Number(s) EE425179A-902A1 Dimensions d - Bore 17.9840 in D - Cup Outer Diameter 29.9950 in B - Cone Width 5.6250 in C - Cup Width 4.0000 in T - Bearing Width 5.6250 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.630 in r - Cup Backface "To Clear" Radius2 0.250 in da - Cone Frontface Backing Diameter 19.53 in db - Cone Backface Backing Diameter 20.67 in Da - Cup Frontface Backing Diameter 28.26 in Db - Cup Backface Backing Diameter 27.40 in Ab - Cage-Cone Frontface Clearance 0.19 in Aa - Cage-Cone Backface Clearance 0.77 in a - Effective Center Location3 0.31 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 207000 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 798000 lbf C0 - Static Radial Rating 1400000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 156000 lbf Factors K - Factor7 1.32 e - ISO Factor8 0.44 Y - ISO Factor9 1.36 G1 - Heat Generation Factor (Roller-Raceway) 5741.9 G2 - Heat Generation Factor (Rib-Roller End) 326.2 Cg - Geometry Factor10 0.253