Tapered Roller Bearings - Single Cones - Metric Timken JLM508748

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 LM508700 Cone Part Number JLM508748 Design Units METRIC Cage Type Stamped Steel C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 170000 N C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 44000 N Full Timken Part Number LM508700 Dimensions d - Cone Bore 60 mm B - Cone Width 24.000 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius3 5.080 mm da - Cone Frontface Backing Diameter 66 mm db - Cone Backface Backing Diameter 75 mm Ab - Cage-Cone Frontface Clearance 2 mm Aa - Cage-Cone Backface Clearance 1 mm a - Effective Center Location4 -2.8 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)5 25300 N C1 - Dynamic Radial Rating (1 million revolutions)6 97600 N C0 - Static Radial Rating 135000 N Ca90- Dynamic Thrust Rating (90 million revolutions)7 17400 N Factors K - Factor8 1.45 G1 - Heat Generation Factor (Roller-Raceway) 54.2 G2 - Heat Generation Factor (Rib-Roller End) 25.3 Cg - Geometry Factor9 0.0979