Tapered Roller Bearings - TS (Tapered Single) Imperial Timken M268749 - M268710

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 M268700 Cone Part Number M268749 Cup Part Number M268710 Design Unit Inch Cage Material Pin-Type Related Assembly Number(s) M268749-90011 Dimensions d - Bore 16.3750 in D - Cup Outer Diameter 23.2500 in B - Cone Width 4.5000 in C - Cup Width 3.5000 in T - Bearing Width 4.5000 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 17.36 in db - Cone Backface Backing Diameter 17.76 in Da - Cup Frontface Backing Diameter 22.16 in Db - Cup Backface Backing Diameter 21.61 in Ab - Cage-Cone Frontface Clearance 0.33 in Aa - Cage-Cone Backface Clearance 0.34 in a - Effective Center Location3 -0.37 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 166000 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 642000 lbf C0 - Static Radial Rating 1250000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 94800 lbf Factors K - Factor7 1.76 e - ISO Factor8 0.33 Y - ISO Factor9 1.8 G1 - Heat Generation Factor (Roller-Raceway) 5750 G2 - Heat Generation Factor (Rib-Roller End) 421 Cg - Geometry Factor10 0.232