NA558/552D TIMKEN

Brand - TIMKEN
Item Number - NA558/552D TIMKEN
Also Known As - NA558 - 552D
Category - Double Row Tapered Roller Bearing (TNA Type)
Bore Diameter (d) mm - 60.325
Bore Diameter (d) inch - 2.375
Outer Diameter (D) mm - 123.825
Outer Diameter (D) inch - 4.875
Width (T) mm - 79.375
Width (T) inch - 3.125
Double Outer Ring Width (C) mm - 63.5
Double Outer Ring Width (C) inch - 2.5
Dynamic Load Rating (C1) N - 332000
Dynamic Load Rating (C1) lbf - 74700
Factor (e) - 0.35
Factor (Y1) - 1.95
Factor (Y2) - 2.9
Dynamic Radial Rating (90 million revolutions) (C90) N - 49400
Dynamic Radial Rating (90 million revolutions) (C90) lbf - 11100
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 29300
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 6590
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 86100
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 19400
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.69
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Backing Shoulder Diameter (db) mm - 76
Backing Shoulder Diameter (db) inch - 2.99
Maximum Housing Fillet Radius (r) mm - 1.5
Maximum Housing Fillet Radius (r) inch - 0.06
Cup Frontface Backing Diameter (Da) mm - 115
Cup Frontface Backing Diameter (Da) inch - 4.53
Weight (kg) - 4.31
Weight (lbs) - 9.5
Inner Part Number - NA558
Outer Part Number - 552D
TNA - Non-Adjustable, Double-Row Bearing

** Images are for representation purposes only