NA643/632D TIMKEN

Brand - TIMKEN
Item Number - NA643/632D TIMKEN
Also Known As - NA643 - 632D
Category - Double Row Tapered Roller Bearing (TNA Type)
Bore Diameter (d) mm - 69.85
Bore Diameter (d) inch - 2.75
Outer Diameter (D) mm - 136.525
Outer Diameter (D) inch - 5.375
Width (T) mm - 95.25
Width (T) inch - 3.75
Double Outer Ring Width (C) mm - 76.2
Double Outer Ring Width (C) inch - 3
Dynamic Load Rating (C1) N - 406000
Dynamic Load Rating (C1) lbf - 91200
Factor (e) - 0.36
Factor (Y1) - 1.86
Factor (Y2) - 2.78
Dynamic Radial Rating (90 million revolutions) (C90) N - 60400
Dynamic Radial Rating (90 million revolutions) (C90) lbf - 13600
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 37400
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 8420
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 105000
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 23600
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.61
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Backing Shoulder Diameter (db) mm - 86
Backing Shoulder Diameter (db) inch - 3.39
Maximum Housing Fillet Radius (r) mm - 1.5
Maximum Housing Fillet Radius (r) inch - 0.06
Cup Frontface Backing Diameter (Da) mm - 125
Cup Frontface Backing Diameter (Da) inch - 4.92
Weight (kg) - 5.88
Weight (lbs) - 12.92
Inner Part Number - NA643
Outer Part Number - 632D
TNA - Non-Adjustable, Double-Row Bearing

** Images are for representation purposes only