778/774D TIMKEN

Brand - TIMKEN
Item Number - 778/774D TIMKEN
Also Known As - 778 - 774D
Category - Double Row Tapered Roller Bearing (TDO Type)
Bore Diameter (d) mm - 92.075
Bore Diameter (d) inch - 3.625
Outer Diameter (D) mm - 180.975
Outer Diameter (D) inch - 7.125
Bearing Width across Cones (T) mm - 104.775
Bearing Width across Cones (T) inch - 4.125
Double Outer Ring Width (C) mm - 85.725
Double Outer Ring Width (C) inch - 3.375
Dynamic Load Rating (C1) N - 603000
Dynamic Load Rating (C1) lbf - 135000
Factor (e) - 0.39
Factor (Y1) - 1.75
Factor (Y2) - 2.61
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) N - 89700
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) lbf - 20200
Dynamic Thrust Rating (90 million revolutions) (Ca90) N - 59200
Dynamic Thrust Rating (90 million revolutions) (Ca90) lbf - 13300
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 156000
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 35100
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.51
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Cone Backface Backing Diameter (db) mm - 111
Cone Backface Backing Diameter (db) inch - 4.37
Maximum Housing Fillet Radius (r) mm - 1.5
Maximum Housing Fillet Radius (r) inch - 0.06
Cup Frontface Backing Diameter (Da) mm - 168
Cup Frontface Backing Diameter (Da) inch - 6.61
Geometry Factor (G1) - 227.3
Geometry Factor (G2) - 41.3
Geometry Factor (Cg) - 0.1067
Bearing Weight (kg) - 11.73
Bearing Weight (lbs) - 25.84
Inner Part Number - 778
Outer Part Number - 774D
TDO - Single Piece (Double) Outer Ring and Two Single Inner Rings

** Images are for representation purposes only