Tapered Roller Bearings - TS (Tapered Single) Imperial Timken 39250 - 39412

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 39000 Cone Part Number 39250 Cup Part Number 39412 Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 39250-90013 Dimensions d - Bore 2 1/2 in D - Cup Outer Diameter 4.1250 in B - Cone Width 0.8661 in C - Cup Width 0.6250 in T - Bearing Width 0.8438 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.08 in r - Cup Backface "To Clear" Radius2 0.08 in da - Cone Frontface Backing Diameter 2.76 in db - Cone Backface Backing Diameter 2.87 in Da - Cup Frontface Backing Diameter 3.96 in Db - Cup Backface Backing Diameter 3.78 in Ab - Cage-Cone Frontface Clearance 0.12 in Aa - Cage-Cone Backface Clearance 0.05 in a - Effective Center Location3 -0.06 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 6680 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 25800 lbf C0 - Static Radial Rating 27000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 4440 lbf Factors K - Factor7 1.51 e - ISO Factor8 0.39 Y - ISO Factor9 1.55 G1 - Heat Generation Factor (Roller-Raceway) 51.7 G2 - Heat Generation Factor (Rib-Roller End) 19.5 Cg - Geometry Factor10 0.0947