Description
Brand - TIMKEN
Item Number - 18690/18620D TIMKEN
Also Known As - 18690 - 18620D
Category - Double Row Tapered Roller Bearing (TDO Type)
Bore Diameter (d) mm - 46.037
Bore Diameter (d) inch - 1.8125
Outer Diameter (D) mm - 79.375
Outer Diameter (D) inch - 3.125
Bearing Width across Cones (T) mm - 41.272
Bearing Width across Cones (T) inch - 1.6249
Double Outer Ring Width (C) mm - 33.338
Double Outer Ring Width (C) inch - 1.3125
Dynamic Load Rating (C1) N - 90600
Dynamic Load Rating (C1) lbf - 20400
Factor (e) - 0.37
Factor (Y1) - 1.8
Factor (Y2) - 2.69
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) N - 13500
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) lbf - 3030
Dynamic Thrust Rating (90 million revolutions) (Ca90) N - 8630
Dynamic Thrust Rating (90 million revolutions) (Ca90) lbf - 1940
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 23500
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 5280
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.56
Maximum Shaft Fillet Radius (R) mm - 2.8
Maximum Shaft Fillet Radius (R) inch - 0.11
Cone Backface Backing Diameter (db) mm - 56
Cone Backface Backing Diameter (db) inch - 2.2
Maximum Housing Fillet Radius (r) mm - 0.8
Maximum Housing Fillet Radius (r) inch - 0.03
Cup Frontface Backing Diameter (Da) mm - 74
Cup Frontface Backing Diameter (Da) inch - 2.91
Geometry Factor (G1) - 23.9
Geometry Factor (G2) - 18.7
Geometry Factor (Cg) - 0.0725
Bearing Weight (kg) - 0.74
Bearing Weight (lbs) - 1.64
Inner Part Number - 18690
Outer Part Number - 18620D
TDO - Single Piece (Double) Outer Ring and Two Single Inner Rings
** Images are for representation purposes only
