Tapered Roller Bearings - TS (Tapered Single) Imperial Timken 861 - 854

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 855 Cone Part Number 861 Cup Part Number 854 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 4 in D - Cup Outer Diameter 7.5 in B - Cone Width 2.2650 in C - Cup Width 1.7500 in T - Bearing Width 2.2500 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.310 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 4.65 in db - Cone Backface Backing Diameter 5.2 in Da - Cup Frontface Backing Diameter 6.86 in Db - Cup Backface Backing Diameter 6.69 in Ab - Cage-Cone Frontface Clearance 0.06 in Aa - Cage-Cone Backface Clearance 0.15 in a - Effective Center Location3 -0.6 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 26700 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 103000 lbf C0 - Static Radial Rating 142000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 15300 lbf Factors K - Factor7 1.74 e - ISO Factor8 0.33 Y - ISO Factor9 1.79 G1 - Heat Generation Factor (Roller-Raceway) 264.1 G2 - Heat Generation Factor (Rib-Roller End) 44.9 Cg - Geometry Factor10 0.107