Tapered Roller Bearings - TS (Tapered Single) Imperial Timken L725349 - L725311

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 L725300 Cone Part Number L725349 Cup Part Number L725311 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 5 in D - Cup Outer Diameter 6.7500 in B - Cone Width 1.0000 in C - Cup Width 0.7200 in T - Bearing Width 1.0000 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.13 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 5.28 in db - Cone Backface Backing Diameter 5.47 in Da - Cup Frontface Backing Diameter 6.61 in Db - Cup Backface Backing Diameter 6.3 in Ab - Cage-Cone Frontface Clearance 0.1 in Aa - Cage-Cone Backface Clearance 0.09 in a - Effective Center Location3 0.36 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 8750 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 33700 lbf C0 - Static Radial Rating 55300 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 7130 lbf Factors K - Factor7 1.23 e - ISO Factor8 0.48 Y - ISO Factor9 1.26 G1 - Heat Generation Factor (Roller-Raceway) 186.6 G2 - Heat Generation Factor (Rib-Roller End) 77.7 Cg - Geometry Factor10 0.153