Tapered Roller Bearings - TS (Tapered Single) Imperial Timken 478W - 472A

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 475 Cone Part Number 478W Cup Part Number 472A Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2.5591 in D - Cup Outer Diameter 4.7244 in B - Cone Width 1.1420 in C - Cup Width 0.9230 in T - Bearing Width 1.1418 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.09 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 2.87 in db - Cone Backface Backing Diameter 3.03 in Da - Cup Frontface Backing Diameter 4.53 in Db - Cup Backface Backing Diameter 4.17 in Ab - Cage-Cone Frontface Clearance 0.12 in Aa - Cage-Cone Backface Clearance 0.04 in a - Effective Center Location3 -0.16 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 7890 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 30500 lbf C0 - Static Radial Rating 41900 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 5200 lbf Factors K - Factor7 1.52 e - ISO Factor8 0.38 Y - ISO Factor9 1.56 G1 - Heat Generation Factor (Roller-Raceway) 77.2 G2 - Heat Generation Factor (Rib-Roller End) 23 Cg - Geometry Factor10 0.108