Tapered Roller Bearings - TS (Tapered Single) Imperial Timken LM272249 - LM272210

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 LM272200 Cone Part Number LM272249 Cup Part Number LM272210 Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) LM272249-90017 Dimensions d - Bore 19.0000 in D - Cup Outer Diameter 24.2500 in B - Cone Width 3.3750 in C - Cup Width 2.6250 in T - Bearing Width 3.3750 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 19.72 in db - Cone Backface Backing Diameter 20.2 in Da - Cup Frontface Backing Diameter 23.50 in Db - Cup Backface Backing Diameter 23.03 in Ab - Cage-Cone Frontface Clearance 0.23 in Aa - Cage-Cone Backface Clearance 0.27 in a - Effective Center Location3 0.49 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 98600 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 380000 lbf C0 - Static Radial Rating 921000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 56100 lbf Factors K - Factor7 1.76 e - ISO Factor8 0.33 Y - ISO Factor9 1.8 G1 - Heat Generation Factor (Roller-Raceway) 6037.2 G2 - Heat Generation Factor (Rib-Roller End) 665.8 Cg - Geometry Factor10 0.233