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Description
Brand - TIMKEN
Item Number - 3478/3420 TIMKEN
Also Known As - 3478 - 3420
Category - Single Row Tapered Roller Bearing (TS Type)
Bore Diameter (d) mm - 34.925
Bore Diameter (d) inch - 1.375
Outer Diameter (D) mm - 79.375
Outer Diameter (D) inch - 3.125
Width (T) mm - 29.37
Width (T) inch - 1.1563
Dynamic Load Rating (C1) N - 105000
Dynamic Load Rating (C1) lbf - 23500
Factor (e) - 0.37
Factor (Y) - 1.64
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) N - 27100
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) lbf - 6100
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 17000
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 3820
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.6
Basic Static Radial Load Rating (C0) N - 119000
Basic Static Radial Load Rating (C0) lbf - 26800
Cone Width (B) mm - 29.771
Cone Width (B) inch - 1.1721
Cup Width (C) mm - 23.812
Cup Width (C) inch - 0.9375
Effective Center Location (a) mm - -8.6
Effective Center Location (a) inch - -0.34
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Cone Frontface Backing Diameter (da) mm - 43.5
Cone Frontface Backing Diameter (da) inch - 1.71
Cone Backface Backing Diameter (db) mm - 50
Cone Backface Backing Diameter (db) inch - 1.97
Max Housing Fillet Radius (r) mm - 3.3
Max Housing Fillet Radius (r) inch - 0.13
Cup Frontface Backing Diameter (Da) mm - 74
Cup Frontface Backing Diameter (Da) inch - 2.91
Cup Backface Backing Diameter (Db) mm - 67
Cup Backface Backing Diameter (Db) inch - 2.64
Cage-Cone Backface Clearance (Aa) mm - 1.4
Cage-Cone Backface Clearance (Aa) inch - 0.05
Cage-Cone Frontface Clearance (Ab) mm - 1
Cage-Cone Frontface Clearance (Ab) inch - 0.04
Geometry Factor (G1) - 29.9
Geometry Factor (G2) - 11.2
Geometry Factor (Cg) - 0.0781
Weight (kg) - 0.69
Weight (lbs) - 1.54
Inner Part Number - 3478
Outer Part Number - 3420
TS - Single Row Tapered Roller Bearing
** Images are for representation purposes only
