Tapered Roller Bearings - TS (Tapered Single) Imperial Timken 2578 - 2525

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 2500 Cone Part Number 2578 Cup Part Number 2525 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 1 1/8 in D - Cup Outer Diameter 2.8355 in B - Cone Width 0.9983 in C - Cup Width 0.7500 in T - Bearing Width 0.9375 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.09 in r - Cup Backface "To Clear" Radius2 0.030 in da - Cone Frontface Backing Diameter 1.38 in db - Cone Backface Backing Diameter 1.54 in Da - Cup Frontface Backing Diameter 2.60 in Db - Cup Backface Backing Diameter 2.48 in Ab - Cage-Cone Frontface Clearance 0.06 in Aa - Cage-Cone Backface Clearance 0.02 in a - Effective Center Location3 -0.34 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 4880 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 18800 lbf C0 - Static Radial Rating 21200 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 2280 lbf Factors K - Factor7 2.14 e - ISO Factor8 0.27 Y - ISO Factor9 2.19 G1 - Heat Generation Factor (Roller-Raceway) 23.6 G2 - Heat Generation Factor (Rib-Roller End) 9.6 Cg - Geometry Factor10 0.0656