Конический роликоподшипник Timken LM120749 (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 Cone Part Number LM120749 Design Units Imperial Cage Type Stamped Steel C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 67300 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 17500 lbf Dimensions d - Cone Bore 4 in B - Cone Width 1.2500 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius3 0.09 in da - Cone Frontface Backing Diameter 4.25 in db - Cone Backface Backing Diameter 4.41 in Ab - Cage-Cone Frontface Clearance 0.06 in Aa - Cage-Cone Backface Clearance 0.05 in a - Effective Center Location4 -0.23 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)5 10000 lbf C1 - Dynamic Radial Rating (1 million revolutions)6 38700 lbf C0 - Static Radial Rating 65700 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 4620 lbf Factors K - Factor8 2.17 G1 - Heat Generation Factor (Roller-Raceway) 194.3 G2 - Heat Generation Factor (Rib-Roller End) 80.2 Cg - Geometry Factor9 0.13