748/742D TIMKEN

Brand - TIMKEN
Item Number - 748/742D TIMKEN
Also Known As - 748 - 742D
Category - Double Row Tapered Roller Bearing (TDO Type)
Bore Diameter (d) mm - 80
Bore Diameter (d) inch - 3.1496
Outer Diameter (D) mm - 155.575
Outer Diameter (D) inch - 6.125
Bearing Width across Cones (T) mm - 101.6
Bearing Width across Cones (T) inch - 4
Double Outer Ring Width (C) mm - 85.725
Double Outer Ring Width (C) inch - 3.375
Dynamic Load Rating (C1) N - 553000
Dynamic Load Rating (C1) lbf - 124000
Factor (e) - 0.33
Factor (Y1) - 2.08
Factor (Y2) - 3.09
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) N - 82400
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) lbf - 18500
Dynamic Thrust Rating (90 million revolutions) (Ca90) N - 45900
Dynamic Thrust Rating (90 million revolutions) (Ca90) lbf - 10300
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 143000
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 32200
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.8
Maximum Shaft Fillet Radius (R) mm - 3
Maximum Shaft Fillet Radius (R) inch - 0.12
Cone Backface Backing Diameter (db) mm - 96
Cone Backface Backing Diameter (db) inch - 3.78
Maximum Housing Fillet Radius (r) mm - 1.5
Maximum Housing Fillet Radius (r) inch - 0.06
Cup Frontface Backing Diameter (Da) mm - 143
Cup Frontface Backing Diameter (Da) inch - 5.63
Geometry Factor (G1) - 159.6
Geometry Factor (G2) - 26.3
Geometry Factor (Cg) - 0.0898
Bearing Weight (kg) - 8.38
Bearing Weight (lbs) - 18.45
Inner Part Number - 748
Outer Part Number - 742D
TDO - Single Piece (Double) Outer Ring and Two Single Inner Rings

** Images are for representation purposes only