Tapered Roller Bearings - Single Cones - Metric Timken X30238

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 30238 Cone Part Number X30238 Design Units METRIC Cage Type Stamped Steel C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 1830000 N C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 475000 N Full Timken Part Number 30238 Dimensions d - Cone Bore 190 mm B - Cone Width 55 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius3 5 mm da - Cone Frontface Backing Diameter 214.9 mm db - Cone Backface Backing Diameter 222 mm Ab - Cage-Cone Frontface Clearance 10.7 mm Aa - Cage-Cone Backface Clearance 3.8 mm a - Effective Center Location4 7.1 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)5 273000 N C1 - Dynamic Radial Rating (1 million revolutions)6 1050000 N C0 - Static Radial Rating 1390000 N Ca90- Dynamic Thrust Rating (90 million revolutions)7 203000 N Factors K - Factor8 1.34 G1 - Heat Generation Factor (Roller-Raceway) 940.6 G2 - Heat Generation Factor (Rib-Roller End) 103.1 Cg - Geometry Factor9 0.139