Tapered Roller Bearings - Single Cones - Metric Timken X30212CM

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 30212C Cone Part Number X30212CM Design Units METRIC Cage Type Stamped Steel C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 209000 N C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 54200 N Dimensions d - Cone Bore 60 mm B - Cone Width 22.000 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius3 2.030 mm da - Cone Frontface Backing Diameter 69 mm db - Cone Backface Backing Diameter 71 mm Ab - Cage-Cone Frontface Clearance 4.57 mm Aa - Cage-Cone Backface Clearance 1.02 mm a - Effective Center Location4 0 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)5 31100 N C1 - Dynamic Radial Rating (1 million revolutions)6 120000 N C0 - Static Radial Rating 137000 N Ca90- Dynamic Thrust Rating (90 million revolutions)7 21600 N Factors K - Factor8 1.44 G1 - Heat Generation Factor (Roller-Raceway) 49.4 G2 - Heat Generation Factor (Rib-Roller End) 27 Cg - Geometry Factor9 0.0854