Tapered Roller Bearings - TS (Tapered Single) Imperial Timken 12580 - 12520

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 12500 Cone Part Number 12580 Cup Part Number 12520 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 0.8125 in D - Cup Outer Diameter 1.9380 in B - Cone Width 0.7813 in C - Cup Width 0.6250 in T - Bearing Width 0.7813 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.06 in r - Cup Backface "To Clear" Radius2 0.06 in da - Cone Frontface Backing Diameter 1.02 in db - Cone Backface Backing Diameter 1.12 in Da - Cup Frontface Backing Diameter 1.81 in Db - Cup Backface Backing Diameter 1.67 in Ab - Cage-Cone Frontface Clearance 0.08 in Aa - Cage-Cone Backface Clearance 0.01 in a - Effective Center Location3 -0.28 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 2540 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 9810 lbf C0 - Static Radial Rating 9720 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 1410 lbf Factors K - Factor7 1.81 e - ISO Factor8 0.32 Y - ISO Factor9 1.86 G1 - Heat Generation Factor (Roller-Raceway) 8.6 G2 - Heat Generation Factor (Rib-Roller End) 6.21 Cg - Geometry Factor10 0.0495