NP578395/NP508551 TIMKEN

Brand - TIMKEN
Item Number - NP578395/NP508551 TIMKEN
Also Known As - NP578395 - NP508551
Category - Double Row Tapered Roller Bearing (TDO Type)
Bore Diameter (d) mm - 938.212
Bore Diameter (d) inch - 36.9375
Outer Diameter (D) mm - 1270
Outer Diameter (D) inch - 50
Bearing Width across Cones (T) mm - 406.2
Bearing Width across Cones (T) inch - 15.9921
Double Outer Ring Width (C) mm - 266.5
Double Outer Ring Width (C) inch - 10.4921
Dynamic Load Rating (C1) N - 12600000
Dynamic Load Rating (C1) lbf - 2820000
Factor (e) - 0.87
Factor (Y1) - 0.78
Factor (Y2) - 1.16
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) N - 1870000
Dynamic Radial Rating (One-Row, 90 million revolutions) (C90) lbf - 420000
Dynamic Thrust Rating (90 million revolutions) (Ca90) N - 2770000
Dynamic Thrust Rating (90 million revolutions) (Ca90) lbf - 623000
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 3250000
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 732000
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 0.67
Maximum Shaft Fillet Radius (R) mm - 3.3
Maximum Shaft Fillet Radius (R) inch - 0.13
Cone Backface Backing Diameter (db) mm - 1005
Cone Backface Backing Diameter (db) inch - 39.57
Maximum Housing Fillet Radius (r) mm - 3.3
Maximum Housing Fillet Radius (r) inch - 0.13
Cup Frontface Backing Diameter (Da) mm - 1240
Cup Frontface Backing Diameter (Da) inch - 48.82
Geometry Factor (G1) - 22762.7
Geometry Factor (G2) - 983.1
Geometry Factor (Cg) - 0.4847
Bearing Weight (kg) - 1361.12
Bearing Weight (lbs) - 3000.56
Inner Part Number - NP578395
Outer Part Number - NP508551
TDO - Single Piece (Double) Outer Ring and Two Single Inner Rings

** Images are for representation purposes only