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Description
Brand - TIMKEN
Item Number - 478/472A TIMKEN
Also Known As - 478 - 472A
Category - Single Row Tapered Roller Bearing (TS Type)
Bore Diameter (d) mm - 65
Bore Diameter (d) inch - 2.5591
Outer Diameter (D) mm - 120
Outer Diameter (D) inch - 4.7244
Width (T) mm - 29.002
Width (T) inch - 1.1418
Dynamic Load Rating (C1) N - 143000
Dynamic Load Rating (C1) lbf - 32200
Factor (e) - 0.38
Factor (Y) - 1.56
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) N - 37200
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) lbf - 8360
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 24500
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 5500
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.52
Basic Static Radial Load Rating (C0) N - 186000
Basic Static Radial Load Rating (C0) lbf - 41900
Cone Width (B) mm - 29.007
Cone Width (B) inch - 1.142
Cup Width (C) mm - 23.444
Cup Width (C) inch - 0.923
Effective Center Location (a) mm - -4.1
Effective Center Location (a) inch - -0.16
Maximum Shaft Fillet Radius (R) mm - 2.3
Maximum Shaft Fillet Radius (R) inch - 0.09
Cone Frontface Backing Diameter (da) mm - 73
Cone Frontface Backing Diameter (da) inch - 2.87
Cone Backface Backing Diameter (db) mm - 77
Cone Backface Backing Diameter (db) inch - 3.03
Max Housing Fillet Radius (r) mm - 3.3
Max Housing Fillet Radius (r) inch - 0.13
Cup Frontface Backing Diameter (Da) mm - 114
Cup Frontface Backing Diameter (Da) inch - 4.49
Cup Backface Backing Diameter (Db) mm - 106
Cup Backface Backing Diameter (Db) inch - 4.17
Cage-Cone Backface Clearance (Aa) mm - 1.5
Cage-Cone Backface Clearance (Aa) inch - 0.05
Cage-Cone Frontface Clearance (Ab) mm - 2.2
Cage-Cone Frontface Clearance (Ab) inch - 0.09
Geometry Factor (G1) - 77.2
Geometry Factor (G2) - 23
Geometry Factor (Cg) - 0.1083
Weight (kg) - 1.4
Weight (lbs) - 3.08
Inner Part Number - 478
Outer Part Number - 472A
TS - Single Row Tapered Roller Bearing
** Images are for representation purposes only
