Tapered Roller Bearings - Single Cones - Metric Timken JM207049A

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 M207000 Cone Part Number JM207049A Design Units METRIC Cage Type Stamped Steel C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 227000 N C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 58900 N Full Timken Part Number M207000 Dimensions d - Cone Bore 55 mm B - Cone Width 29.000 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius3 6.100 mm da - Cone Frontface Backing Diameter 62 mm db - Cone Backface Backing Diameter 73 mm Ab - Cage-Cone Frontface Clearance 3 mm Aa - Cage-Cone Backface Clearance 0.8 mm a - Effective Center Location4 -7.6 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)5 33800 N C1 - Dynamic Radial Rating (1 million revolutions)6 131000 N C0 - Static Radial Rating 168000 N Ca90- Dynamic Thrust Rating (90 million revolutions)7 19400 N Factors K - Factor8 1.74 G1 - Heat Generation Factor (Roller-Raceway) 56.4 G2 - Heat Generation Factor (Rib-Roller End) 19.9 Cg - Geometry Factor9 0.0937