Tapered Roller Bearings - TS (Tapered Single) Imperial Timken EE129120X - 129172

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 129000 Cone Part Number EE129120X Cup Part Number 129172 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 12 in D - Cup Outer Diameter 17.246 in B - Cone Width 3.0312 in C - Cup Width 2.1250 in T - Bearing Width 3.0000 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.25 in r - Cup Backface "To Clear" Radius2 0.190 in da - Cone Frontface Backing Diameter 12.91 in db - Cone Backface Backing Diameter 13.15 in Da - Cup Frontface Backing Diameter 16.3 in Db - Cup Backface Backing Diameter 15.98 in Ab - Cage-Cone Frontface Clearance -0.02 in Aa - Cage-Cone Backface Clearance 0.56 in a - Effective Center Location3 0.29 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 52200 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 201000 lbf C0 - Static Radial Rating 401000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 37200 lbf Factors K - Factor7 1.4 e - ISO Factor8 0.42 Y - ISO Factor9 1.44 G1 - Heat Generation Factor (Roller-Raceway) 1882.6 G2 - Heat Generation Factor (Rib-Roller End) 272.9 Cg - Geometry Factor10 0.171