Tapered Roller Bearings - TS (Tapered Single) Imperial Timken 67989 - 67920

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 67900 Cone Part Number 67989 Cup Part Number 67920 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 8.2500 in D - Cup Outer Diameter 11.1250 in B - Cone Width 1.8125 in C - Cup Width 1.4375 in T - Bearing Width 1.8125 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 8.7 in db - Cone Backface Backing Diameter 8.94 in Da - Cup Frontface Backing Diameter 10.87 in Db - Cup Backface Backing Diameter 10.24 in Ab - Cage-Cone Frontface Clearance 0.11 in Aa - Cage-Cone Backface Clearance 0.15 in a - Effective Center Location3 0.63 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 29300 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 113000 lbf C0 - Static Radial Rating 197000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 25500 lbf Factors K - Factor7 1.15 e - ISO Factor8 0.51 Y - ISO Factor9 1.18 G1 - Heat Generation Factor (Roller-Raceway) 819.5 G2 - Heat Generation Factor (Rib-Roller End) 172 Cg - Geometry Factor10 0.139