Tapered Roller Bearings - TS (Tapered Single) Metric Timken X30238 - Y30238

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 Cup Part Number Y30238 Design Unit Metric Cage Material Stamped Steel Related Assembly Number(s) 30238-90KA1 Dimensions d - Bore 190 mm D - Cup Outer Diameter 340 mm B - Cone Width 55 mm C - Cup Width 46 mm T - Bearing Width 60.000 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 5 mm r - Cup Backface "To Clear" Radius2 4 mm da - Cone Frontface Backing Diameter 214.9 mm db - Cone Backface Backing Diameter 222 mm Da - Cup Frontface Backing Diameter 318.5 mm Db - Cup Backface Backing Diameter 310 mm Ab - Cage-Cone Frontface Clearance 10.7 mm Aa - Cage-Cone Backface Clearance 3.8 mm a - Effective Center Location3 7.1 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 273000 N C1 - Dynamic Radial Rating (1 million revolutions)5 1050000 N C0 - Static Radial Rating 1390000 N Ca90- Dynamic Thrust Rating (90 million revolutions)6 203000 N Factors K - Factor7 1.34 e - ISO Factor8 0.44 Y - ISO Factor9 1.38 G1 - Heat Generation Factor (Roller-Raceway) 940.6 G2 - Heat Generation Factor (Rib-Roller End) 103.1 Cg - Geometry Factor10 0.139