Tapered Roller Bearings - TS (Tapered Single) Metric Timken JM714249 - JM714210

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 M714200 Cone Part Number JM714249 Cup Part Number JM714210 Design Unit Metric Cage Material Stamped Steel Related Assembly Number(s) JM714249-90B01 Dimensions d - Bore 75 mm D - Cup Outer Diameter 120 mm B - Cone Width 29.500 mm C - Cup Width 25.000 mm T - Bearing Width 31.000 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 3.050 mm r - Cup Backface "To Clear" Radius2 2.54 mm da - Cone Frontface Backing Diameter 82.9 mm db - Cone Backface Backing Diameter 88 mm Da - Cup Frontface Backing Diameter 115.10 mm Db - Cup Backface Backing Diameter 107.95 mm Ab - Cage-Cone Frontface Clearance 3.3 mm Aa - Cage-Cone Backface Clearance 1.5 mm a - Effective Center Location3 -2 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 41300 N C1 - Dynamic Radial Rating (1 million revolutions)5 159000 N C0 - Static Radial Rating 229000 N Ca90- Dynamic Thrust Rating (90 million revolutions)6 31400 N Factors K - Factor7 1.31 e - ISO Factor8 0.44 Y - ISO Factor9 1.35 G1 - Heat Generation Factor (Roller-Raceway) 95 G2 - Heat Generation Factor (Rib-Roller End) 32.8 Cg - Geometry Factor10 0.122