Tapered Roller Bearings - TS (Tapered Single) Metric Timken X30203 - Y30203

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 30203 Cone Part Number X30203 Cup Part Number Y30203 Design Unit Metric Cage Material Stamped Steel Related Assembly Number(s) 30203-90KA1 Dimensions d - Bore 17 mm D - Cup Outer Diameter 40 mm B - Cone Width 12.000 mm C - Cup Width 11.000 mm T - Bearing Width 13.250 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 1.020 mm r - Cup Backface "To Clear" Radius2 1.02 mm da - Cone Frontface Backing Diameter 21 mm db - Cone Backface Backing Diameter 22 mm Da - Cup Frontface Backing Diameter 37.59 mm Db - Cup Backface Backing Diameter 35.05 mm Ab - Cage-Cone Frontface Clearance 2 mm Aa - Cage-Cone Backface Clearance -0.3 mm a - Effective Center Location3 -3.6 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 5530 N C1 - Dynamic Radial Rating (1 million revolutions)5 21300 N C0 - Static Radial Rating 19900 N Ca90- Dynamic Thrust Rating (90 million revolutions)6 3270 N Factors K - Factor7 1.69 e - ISO Factor8 0.35 Y - ISO Factor9 1.74 G1 - Heat Generation Factor (Roller-Raceway) 4.2 G2 - Heat Generation Factor (Rib-Roller End) 6 Cg - Geometry Factor10 0.0398