Tapered Roller Bearings - TS (Tapered Single) Metric Timken X30308 - Y30308

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 30308 Cone Part Number X30308M Cup Part Number Y30308M Design Unit Metric Cage Material Stamped Steel Related Assembly Number(s) 30308-90KA4 Dimensions d - Bore 40 mm D - Cup Outer Diameter 90 mm B - Cone Width 23.000 mm C - Cup Width 20.000 mm T - Bearing Width 25.250 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 2.030 mm r - Cup Backface "To Clear" Radius2 1.52 mm da - Cone Frontface Backing Diameter 46.5 mm db - Cone Backface Backing Diameter 50 mm Da - Cup Frontface Backing Diameter 84.10 mm Db - Cup Backface Backing Diameter 80.01 mm Ab - Cage-Cone Frontface Clearance 3.6 mm Aa - Cage-Cone Backface Clearance 1.3 mm a - Effective Center Location3 -5.8 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 30300 N C1 - Dynamic Radial Rating (1 million revolutions)5 117000 N C0 - Static Radial Rating 102000 N Ca90- Dynamic Thrust Rating (90 million revolutions)6 17900 N Factors K - Factor7 1.69 e - ISO Factor8 0.35 Y - ISO Factor9 1.74 G1 - Heat Generation Factor (Roller-Raceway) 30.1 G2 - Heat Generation Factor (Rib-Roller End) 11.6 Cg - Geometry Factor10 0.0762