Tapered Roller Bearings - Single Cups - Metric Timken Y30308UM
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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 30308U Cup Part Number Y30308UM Design Units METRIC Dimensions D - Cup Outer Diameter 90 mm C - Cup Width 20 mm Abutment and Fillet Dimensions r - Cup Backface "To Clear" Radius1 1.52 mm Da - Cup Frontface Backing Diameter 84.10 mm Db - Cup Backface Backing Diameter 80.01 mm Factors K - Factor2 1.69 e - ISO Factor3 0.35 Y - ISO Factor4 1.74 G1 - Heat Generation Factor (Roller-Raceway) 31.6 G2 - Heat Generation Factor (Rib-Roller End) 15.4 Cg - Geometry Factor5 0.0775