HM813810 / HM813844 TIMKEN Tapered Roller Bearings HM 813844 - 99401 ASSEMBLY

Description

HM813810 / HM813844 TIMKEN Tapered Roller Bearings HM813844 - 99401 ASSEMBLY 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. Unit of Measure Imperial Metric Both Specifications | Dimensions | Abutment and Fillet Dimensions | Basic Load Ratings | Factors Specifications Series HM813800 Cone Part Number HM813844 Cup Part Number HM813810 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2.6250 in 66.675 mm D - Cup Outer Diameter 5 in 127 mm B - Cone Width 1.4375 in 36.513 mm C - Cup Width 1.0625 in 26.988 mm T - Bearing Width 1.4375 in 36.513 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius 1 0.14 in 3.600 mm r - Cup Backface "To Clear" Radius 2 0.130 in 3.30 mm da - Cone Frontface Backing Diameter 3.23 in 82 mm db - Cone Backface Backing Diameter 3.46 in 88 mm Da - Cup Frontface Backing Diameter 4.80 in 121.90 mm Db - Cup Backface Backing Diameter 4.37 in 111.00 mm Ab - Cage-Cone Frontface Clearance 0.08 in 2 mm Aa - Cage-Cone Backface Clearance 0.14 in 3.6 mm a - Effective Center Location 3 -0.15 in -3.8 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions) 4 13400 lbf 59400 N C1 - Dynamic Radial Rating (1 million revolutions) 5 51500 lbf 229000 N C0 - Static Radial Rating 57600 lbf 256000 N C a90 - Dynamic Thrust Rating (90 million revolutions) 6 11500 lbf 51100 N Factors K - Factor 7 1.16 e - ISO Factor 8 0.5 Y - ISO Factor 9 1.2 G1 - Heat Generation Factor (Roller-Raceway) 91.7 G2 - Heat Generation Factor (Rib-Roller End) 24.3 Cg - Geometry Factor 10 0.125 1 These maximum fillet radii will be cleared by the bearing corners. 2 These maximum fillet radii will be cleared by the bearing corners. 3 Negative value indicates effective center inside cone backface. 4 Based on 90 x 10 6 revolutions L 10 life, for The Timken Company life calculation method. C 90 and C a90 are radial and thrust values. 5 Based on 1 x 10 6 revolutions L 10 life, for the ISO life calculation method. 6 Based on 90 x 10 6 revolutions L 10 life, for The Timken Company life calculation method. C 90 and C a90 are radial and thrust values for a single-row, C 90(2) is the two-row radial value. 7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. 10 Geometry constant for Lubrication Life Adjustment Factor a3l.