Конический роликоподшипник Timken LM742749AA (одиночное внутреннее кольцо с роликами, дюймовые размеры)

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 LM742700 Cone Part Number LM742749AA Design Units Imperial Cage Type Stamped Steel C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 168000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 43600 lbf Dimensions d - Cone Bore 8 1/2 in B - Cone Width 1.8125 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius3 0.350 in da - Cone Frontface Backing Diameter 8.94 in db - Cone Backface Backing Diameter 9.57 in Ab - Cage-Cone Frontface Clearance 0.12 in Aa - Cage-Cone Backface Clearance 0.18 in a - Effective Center Location4 0.56 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)5 25000 lbf C1 - Dynamic Radial Rating (1 million revolutions)6 96600 lbf C0 - Static Radial Rating 200000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 20600 lbf Factors K - Factor8 1.21 G1 - Heat Generation Factor (Roller-Raceway) 866.9 G2 - Heat Generation Factor (Rib-Roller End) 225.2 Cg - Geometry Factor9 0.139