Tapered Roller Bearings - Single Cups - Imperial Timken 12520
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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 12500 Cup Part Number 12520 Design Units Imperial Dimensions D - Cup Outer Diameter 1.9380 in C - Cup Width 0.625 in Abutment and Fillet Dimensions r - Cup Backface "To Clear" Radius1 0.06 in Da - Cup Frontface Backing Diameter 1.81 in Db - Cup Backface Backing Diameter 1.67 in Factors K - Factor2 1.81 e - ISO Factor3 0.32 Y - ISO Factor4 1.86 G1 - Heat Generation Factor (Roller-Raceway) 8.6 G2 - Heat Generation Factor (Rib-Roller End) 6.21 Cg - Geometry Factor5 0.0495