28980/28921D TIMKEN

Brand - TIMKEN
Item Number - 28980/28921D TIMKEN
Also Known As - 28980 - 28921D
Category - Double Row Tapered Roller Bearing (TDO Type)
Bore Diameter (d) mm - 59.977
Bore Diameter (d) inch - 2.3613
Outer Diameter (D) mm - 100
Outer Diameter (D) inch - 3.937
Bearing Width across Cones (T) mm - 55.56
Bearing Width across Cones (T) inch - 2.1874
Double Outer Ring Width (C) mm - 44.45
Double Outer Ring Width (C) inch - 1.75
Dynamic Load Rating (C1) N - 185000
Dynamic Load Rating (C1) lbf - 41500
Factor (e) - 0.43
Factor (Y1) - 1.59
Factor (Y2) - 2.36
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) N - 27500
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) lbf - 6180
Dynamic Thrust Rating (90 million revolutions) (Ca90) N - 20000
Dynamic Thrust Rating (90 million revolutions) (Ca90) lbf - 4500
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 47900
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 10800
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.37
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Cone Backface Backing Diameter (db) mm - 73
Cone Backface Backing Diameter (db) inch - 2.87
Maximum Housing Fillet Radius (r) mm - 0.8
Maximum Housing Fillet Radius (r) inch - 0.03
Cup Frontface Backing Diameter (Da) mm - 96
Cup Frontface Backing Diameter (Da) inch - 3.78
Geometry Factor (G1) - 60.1
Geometry Factor (G2) - 24.5
Geometry Factor (Cg) - 0.1032
Bearing Weight (kg) - 1.67
Bearing Weight (lbs) - 3.67
Inner Part Number - 28980
Outer Part Number - 28921D
TDO - Single Piece (Double) Outer Ring and Two Single Inner Rings

** Images are for representation purposes only