Tapered Roller Bearings - Single Cones - Metric Timken JL725346

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 L725300 Cone Part Number JL725346 Design Units METRIC Cage Type Stamped Steel C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 261000 N C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 67800 N Full Timken Part Number L725300 Dimensions d - Cone Bore 125 mm B - Cone Width 25.400 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius3 3.300 mm da - Cone Frontface Backing Diameter 133 mm db - Cone Backface Backing Diameter 138 mm Ab - Cage-Cone Frontface Clearance 2.3 mm Aa - Cage-Cone Backface Clearance 2.3 mm a - Effective Center Location4 9.1 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)5 38900 N C1 - Dynamic Radial Rating (1 million revolutions)6 150000 N C0 - Static Radial Rating 246000 N Ca90- Dynamic Thrust Rating (90 million revolutions)7 31700 N Factors K - Factor8 1.23 G1 - Heat Generation Factor (Roller-Raceway) 187 G2 - Heat Generation Factor (Rib-Roller End) 77.6 Cg - Geometry Factor9 0.153