Tapered Roller Bearings - TS (Tapered Single) Imperial Timken M272749 - M272710

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 M272700 Cone Part Number M272749 Cup Part Number M272710 Design Unit Inch Cage Material Pin-Type Related Assembly Number(s) M272749-90039 Dimensions d - Bore 18.8750 in D - Cup Outer Diameter 26.7500 in B - Cone Width 5.0625 in C - Cup Width 4.0000 in T - Bearing Width 5.0625 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.25 in r - Cup Backface "To Clear" Radius2 0.250 in da - Cone Frontface Backing Diameter 19.96 in db - Cone Backface Backing Diameter 20.31 in Da - Cup Frontface Backing Diameter 25.53 in Db - Cup Backface Backing Diameter 24.92 in Ab - Cage-Cone Frontface Clearance 0.41 in Aa - Cage-Cone Backface Clearance 0.31 in a - Effective Center Location3 -0.35 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 218000 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 839000 lbf C0 - Static Radial Rating 1660000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 124000 lbf Factors K - Factor7 1.76 e - ISO Factor8 0.33 Y - ISO Factor9 1.8 G1 - Heat Generation Factor (Roller-Raceway) 8110 G2 - Heat Generation Factor (Rib-Roller End) 508 Cg - Geometry Factor10 0.26