Tapered Roller Bearings - TS (Tapered Single) Imperial Timken 9278 - 9220

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 9200 Cone Part Number 9278 Cup Part Number 9220 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2 11/16 in D - Cup Outer Diameter 6-3/8 in B - Cone Width 1.8125 in C - Cup Width 1.2500 in T - Bearing Width 1.9375 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 3.5 in db - Cone Backface Backing Diameter 4.17 in Da - Cup Frontface Backing Diameter 6.04 in Db - Cup Backface Backing Diameter 5.43 in Ab - Cage-Cone Frontface Clearance 0.18 in Aa - Cage-Cone Backface Clearance 0.33 in a - Effective Center Location3 0 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 20600 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 79300 lbf C0 - Static Radial Rating 74200 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 24900 lbf Factors K - Factor7 0.82 e - ISO Factor8 0.71 Y - ISO Factor9 0.85 G1 - Heat Generation Factor (Roller-Raceway) 102.5 G2 - Heat Generation Factor (Rib-Roller End) 16.1 Cg - Geometry Factor10 0.0984