Tapered Roller Bearings - Single Cups - Metric Timken Y30312M
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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 30312M Cup Part Number Y30312M Design Units METRIC Full Timken Part Number 30312 Dimensions D - Cup Outer Diameter 130 mm C - Cup Width 26 mm Abutment and Fillet Dimensions r - Cup Backface "To Clear" Radius1 2.54 mm Da - Cup Frontface Backing Diameter 121.90 mm Db - Cup Backface Backing Diameter 116.08 mm Factors K - Factor2 1.69 e - ISO Factor3 0.35 Y - ISO Factor4 1.74 G1 - Heat Generation Factor (Roller-Raceway) 75.8 G2 - Heat Generation Factor (Rib-Roller End) 22.2 Cg - Geometry Factor5 0.0668