Description
Brand - TIMKEN
Item Number - 25570/25520D TIMKEN
Also Known As - 25570 - 25520D
Category - Double Row Tapered Roller Bearing (TDO Type)
Bore Diameter (d) mm - 36.512
Bore Diameter (d) inch - 1.4375
Outer Diameter (D) mm - 82.931
Outer Diameter (D) inch - 3.265
Bearing Width across Cones (T) mm - 57.15
Bearing Width across Cones (T) inch - 2.25
Double Outer Ring Width (C) mm - 47.625
Double Outer Ring Width (C) inch - 1.875
Dynamic Load Rating (C1) N - 158000
Dynamic Load Rating (C1) lbf - 35400
Factor (e) - 0.33
Factor (Y1) - 2.02
Factor (Y2) - 3
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) N - 23500
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) lbf - 5270
Dynamic Thrust Rating (90 million revolutions) (Ca90) N - 13500
Dynamic Thrust Rating (90 million revolutions) (Ca90) lbf - 3020
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 40900
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 9180
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.74
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Cone Backface Backing Diameter (db) mm - 51
Cone Backface Backing Diameter (db) inch - 2.01
Maximum Housing Fillet Radius (r) mm - 0.8
Maximum Housing Fillet Radius (r) inch - 0.03
Cup Frontface Backing Diameter (Da) mm - 77
Cup Frontface Backing Diameter (Da) inch - 3.03
Geometry Factor (G1) - 35.2
Geometry Factor (G2) - 14.3
Geometry Factor (Cg) - 0.0801
Bearing Weight (kg) - 1.53
Bearing Weight (lbs) - 3.36
Inner Part Number - 25570
Outer Part Number - 25520D
TDO - Single Piece (Double) Outer Ring and Two Single Inner Rings
** Images are for representation purposes only
