Tapered Roller Bearings - TS (Tapered Single) Imperial Timken A4049 - A4138

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 A4000 Cone Part Number A4049 Cup Part Number A4138 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 0.4992 in D - Cup Outer Diameter 1.3775 in B - Cone Width 0.4326 in C - Cup Width 0.3437 in T - Bearing Width 0.4330 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.03 in r - Cup Backface "To Clear" Radius2 0.050 in da - Cone Frontface Backing Diameter 0.69 in db - Cone Backface Backing Diameter 0.69 in Da - Cup Frontface Backing Diameter 1.28 in Db - Cup Backface Backing Diameter 1.14 in Ab - Cage-Cone Frontface Clearance 0.07 in Aa - Cage-Cone Backface Clearance 0 in a - Effective Center Location3 -0.1 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 767 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 2960 lbf C0 - Static Radial Rating 2580 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 594 lbf Factors K - Factor7 1.29 e - ISO Factor8 0.45 Y - ISO Factor9 1.32 G1 - Heat Generation Factor (Roller-Raceway) 2.3 G2 - Heat Generation Factor (Rib-Roller End) 4.12 Cg - Geometry Factor10 0.0355