Tapered Roller Bearings - TS (Tapered Single) Imperial Timken LL687949 - LL687910

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 LL687900 Cone Part Number LL687949 Cup Part Number LL687910 Design Unit Inch Cage Material Pin-Type Related Assembly Number(s) LL687949-90013 Dimensions d - Bore 38.5000 in D - Cup Outer Diameter 44.5000 in B - Cone Width 2.5 in C - Cup Width 1.8750 in T - Bearing Width 2.6250 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 39.57 in db - Cone Backface Backing Diameter 39.76 in Da - Cup Frontface Backing Diameter 43.51 in Db - Cup Backface Backing Diameter 43.11 in Ab - Cage-Cone Frontface Clearance 0.46 in Aa - Cage-Cone Backface Clearance 0.15 in a - Effective Center Location3 4.52 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 97300 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 375000 lbf C0 - Static Radial Rating 1190000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 72700 lbf Factors K - Factor7 1.34 e - ISO Factor8 0.44 Y - ISO Factor9 1.38 G1 - Heat Generation Factor (Roller-Raceway) 18900 G2 - Heat Generation Factor (Rib-Roller End) 3190.6 Cg - Geometry Factor10 0.363