Description
Brand - TIMKEN
Item Number - HM256849D/HM256810 TIMKEN
Also Known As - HM256849D - HM256810
Category - Double Row Tapered Roller Bearing (TDI Type)
Bore Diameter (d) mm - 300.038
Bore Diameter (d) inch - 11.8125
Outer Diameter (D) mm - 422.275
Outer Diameter (D) inch - 16.625
Bearing Width across Cups (T) mm - 150.812
Bearing Width across Cups (T) inch - 5.9375
Double Cone Width (B) mm - 150.812
Double Cone Width (B) inch - 5.9375
Dynamic Radial Rating (Two-Row, 1 million revolutions) (C1) N - 2260000
Dynamic Radial Rating (Two-Row, 1 million revolutions) (C1) lbf - 508000
Factor (e) - 0.3
Factor (Y1) - 2
Factor (Y2) - 3
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) N - 336000
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) lbf - 75600
Dynamic Thrust Rating (90 million revolutions) (Ca90) N - 194000
Dynamic Thrust Rating (90 million revolutions) (Ca90) lbf - 43600
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 586000
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 132000
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.73
Maximum Shaft Fillet Radius (R) mm - 3.3
Maximum Shaft Fillet Radius (R) inch - 0.13
Cone Frontface Backing Diameter (da) mm - 322
Cone Frontface Backing Diameter (da) inch - 12.68
Maximum Housing Fillet Radius (r) mm - 3.3
Maximum Housing Fillet Radius (r) inch - 0.13
Cup Backface Backing Diameter (Db) mm - 394
Cup Backface Backing Diameter (Db) inch - 15.51
Geometry Factor (G1) - 2548.4
Geometry Factor (G2) - 281.8
Geometry Factor (Cg) - 0.1779
Weight (kg) - 69.57
Weight (lbs) - 153.37
Inner Part Number - HM256849D
Outer Part Number - HM256810
TDI - Double Inner Ring
** Images are for representation purposes only



