Tapered Roller Bearings - TS (Tapered Single) Metric Timken X30212 - Y30212

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 30212 Cone Part Number X30212M Cup Part Number Y30212M Design Unit Metric Cage Material Stamped Steel Related Assembly Number(s) 30212-9X025 Dimensions d - Bore 60 mm D - Cup Outer Diameter 110 mm B - Cone Width 22.000 mm C - Cup Width 19.000 mm T - Bearing Width 23.750 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 2.030 mm r - Cup Backface "To Clear" Radius2 1.52 mm da - Cone Frontface Backing Diameter 66 mm db - Cone Backface Backing Diameter 70 mm Da - Cup Frontface Backing Diameter 103.89 mm Db - Cup Backface Backing Diameter 99.06 mm Ab - Cage-Cone Frontface Clearance 4.3 mm Aa - Cage-Cone Backface Clearance 0.8 mm a - Effective Center Location3 -1.8 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 27700 N C1 - Dynamic Radial Rating (1 million revolutions)5 107000 N C0 - Static Radial Rating 117000 N Ca90- Dynamic Thrust Rating (90 million revolutions)6 19200 N Factors K - Factor7 1.44 e - ISO Factor8 0.4 Y - ISO Factor9 1.48 G1 - Heat Generation Factor (Roller-Raceway) 44.1 G2 - Heat Generation Factor (Rib-Roller End) 19.5 Cg - Geometry Factor10 0.0909