Tapered Roller Bearings - TS (Tapered Single) Imperial Timken EE720128 - 720236

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 720000 Cone Part Number EE720128 Cup Part Number 720236 Design Unit Inch Cage Material Pin-Type Related Assembly Number(s) EE720128-90020 Dimensions d - Bore 12.8125 in D - Cup Outer Diameter 23.5000 in B - Cone Width 5.3750 in C - Cup Width 3.8750 in T - Bearing Width 5.3750 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.25 in r - Cup Backface "To Clear" Radius2 0.250 in da - Cone Frontface Backing Diameter 14.13 in db - Cone Backface Backing Diameter 14.53 in Da - Cup Frontface Backing Diameter 21.61 in Db - Cup Backface Backing Diameter 21.02 in Ab - Cage-Cone Frontface Clearance 0.38 in Aa - Cage-Cone Backface Clearance 0.77 in a - Effective Center Location3 -0.66 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 193000 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 744000 lbf C0 - Static Radial Rating 1030000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 139000 lbf Factors K - Factor7 1.38 e - ISO Factor8 0.42 Y - ISO Factor9 1.42 G1 - Heat Generation Factor (Roller-Raceway) 3160 G2 - Heat Generation Factor (Rib-Roller End) 183 Cg - Geometry Factor10 0.205