M270749/M270720D TIMKEN

Brand - TIMKEN
Item Number - M270749/M270720D TIMKEN
Also Known As - M270749 - M270720D
Category - Double Row Tapered Roller Bearing (TDO Type)
Bore Diameter (d) mm - 447.675
Bore Diameter (d) inch - 17.625
Outer Diameter (D) mm - 649.925
Outer Diameter (D) inch - 25.5876
Bearing Width across Cones (T) mm - 257.175
Bearing Width across Cones (T) inch - 10.125
Double Outer Ring Width (C) mm - 206.375
Double Outer Ring Width (C) inch - 8.125
Dynamic Load Rating (C1) N - 5700000
Dynamic Load Rating (C1) lbf - 1280000
Factor (e) - 0.33
Factor (Y1) - 2.03
Factor (Y2) - 3.02
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) N - 849000
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) lbf - 191000
Dynamic Thrust Rating (90 million revolutions) (Ca90) N - 484000
Dynamic Thrust Rating (90 million revolutions) (Ca90) lbf - 109000
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 1480000
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 332000
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.76
Maximum Shaft Fillet Radius (R) mm - 6.4
Maximum Shaft Fillet Radius (R) inch - 0.25
Cone Backface Backing Diameter (db) mm - 484
Cone Backface Backing Diameter (db) inch - 19.06
Maximum Housing Fillet Radius (r) mm - 1.5
Maximum Housing Fillet Radius (r) inch - 0.06
Cup Frontface Backing Diameter (Da) mm - 605.1
Cup Frontface Backing Diameter (Da) inch - 23.82
Geometry Factor (G1) - 6865.6
Geometry Factor (G2) - 481.9
Geometry Factor (Cg) - 0.2458
Bearing Weight (kg) - 279.4
Bearing Weight (lbs) - 615.96
Inner Part Number - M270749
Outer Part Number - M270720D
TDO - Single Piece (Double) Outer Ring and Two Single Inner Rings

** Images are for representation purposes only