8578/8520CD TIMKEN

Brand - TIMKEN
Item Number - 8578/8520CD TIMKEN
Also Known As - 8578 - 8520CD
Category - Double Row Tapered Roller Bearing (TDO Type)
Bore Diameter (d) mm - 241.3
Bore Diameter (d) inch - 9.5
Outer Diameter (D) mm - 327.025
Outer Diameter (D) inch - 12.875
Bearing Width across Cones (T) mm - 114.3
Bearing Width across Cones (T) inch - 4.5
Double Outer Ring Width (C) mm - 82.55
Double Outer Ring Width (C) inch - 3.25
Dynamic Load Rating (C1) N - 918000
Dynamic Load Rating (C1) lbf - 206000
Factor (e) - 0.41
Factor (Y1) - 1.66
Factor (Y2) - 2.47
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) N - 137000
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) lbf - 30700
Dynamic Thrust Rating (90 million revolutions) (Ca90) N - 95200
Dynamic Thrust Rating (90 million revolutions) (Ca90) lbf - 21400
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 238000
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 53500
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.44
Maximum Shaft Fillet Radius (R) mm - 6.4
Maximum Shaft Fillet Radius (R) inch - 0.25
Cone Backface Backing Diameter (db) mm - 264
Cone Backface Backing Diameter (db) inch - 10.39
Maximum Housing Fillet Radius (r) mm - 1.5
Maximum Housing Fillet Radius (r) inch - 0.06
Cup Frontface Backing Diameter (Da) mm - 312
Cup Frontface Backing Diameter (Da) inch - 12.28
PIn (Ka) mm - 19.05
PIn (Ka) inch - 0.75
PIn (Kb) mm - 7.92
PIn (Kb) inch - 0.31
Geometry Factor (G1) - 1050.5
Geometry Factor (G2) - 172.4
Geometry Factor (Cg) - 0.1401
Bearing Weight (kg) - 23.96
Bearing Weight (lbs) - 52.86
Inner Part Number - 8578
Outer Part Number - 8520CD

** Images are for representation purposes only