NA497SW/493D TIMKEN

Brand - TIMKEN
Item Number - NA497SW/493D TIMKEN
Also Known As - NA497SW - 493D
Category - Double Row Tapered Roller Bearing (TNASW Type)
Bore Diameter (d) mm - 85.725
Bore Diameter (d) inch - 3.375
Outer Diameter (D) mm - 136.525
Outer Diameter (D) inch - 5.375
Width (T) mm - 73.025
Width (T) inch - 2.875
Double Outer Ring Width (C) mm - 53.975
Double Outer Ring Width (C) inch - 2.125
Dynamic Load Rating (C1) N - 254000
Dynamic Load Rating (C1) lbf - 57100
Factor (e) - 0.44
Factor (Y1) - 1.52
Factor (Y2) - 2.26
Dynamic Radial Rating (90 million revolutions) (C90) N - 37800
Dynamic Radial Rating (90 million revolutions) (C90) lbf - 8500
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 28800
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 6470
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 65800
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 14800
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.31
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Backing Shoulder Diameter (db) mm - 99
Backing Shoulder Diameter (db) inch - 3.9
Maximum Housing Fillet Radius (r) mm - 0.8
Maximum Housing Fillet Radius (r) inch - 0.03
Cup Frontface Backing Diameter (Da) mm - 130
Cup Frontface Backing Diameter (Da) inch - 5.12
Weight (kg) - 3.56
Weight (lbs) - 7.84
Inner Part Number - NA497SW
Outer Part Number - 493D
TNASW - Double-Row Bearings are a Variant of Type TNA, having Chamfers and Slots on the Front Face of the Inner Ring

** Images are for representation purposes only