Tapered Roller Bearings - TS (Tapered Single) Imperial Timken 1280 - 1220

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 1200 Cone Part Number 1280 Cup Part Number 1220 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 7/8 in D - Cup Outer Diameter 2.2500 in B - Cone Width 0.875 in C - Cup Width 0.6875 in T - Bearing Width 0.8750 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.03 in r - Cup Backface "To Clear" Radius2 0.06 in da - Cone Frontface Backing Diameter 1.14 in db - Cone Backface Backing Diameter 1.16 in Da - Cup Frontface Backing Diameter 2.07 in Db - Cup Backface Backing Diameter 1.93 in Ab - Cage-Cone Frontface Clearance 0.06 in Aa - Cage-Cone Backface Clearance 0.01 in a - Effective Center Location3 -0.27 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 3230 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 12400 lbf C0 - Static Radial Rating 12400 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 1910 lbf Factors K - Factor7 1.69 e - ISO Factor8 0.35 Y - ISO Factor9 1.73 G1 - Heat Generation Factor (Roller-Raceway) 11.4 G2 - Heat Generation Factor (Rib-Roller End) 5.52 Cg - Geometry Factor10 0.0556