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Description
Brand - TIMKEN
Item Number - 744A/742 TIMKEN
Also Known As - 744A - 742
Category - Single Row Tapered Roller Bearing (TS Type)
Bore Diameter (d) mm - 69.85
Bore Diameter (d) inch - 2.75
Outer Diameter (D) mm - 150.089
Outer Diameter (D) inch - 5.909
Width (T) mm - 44.45
Width (T) inch - 1.75
Dynamic Load Rating (C1) N - 318000
Dynamic Load Rating (C1) lbf - 71400
Factor (e) - 0.33
Factor (Y) - 1.84
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) N - 82400
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) lbf - 18500
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 45900
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 10300
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.8
Basic Static Radial Load Rating (C0) N - 417000
Basic Static Radial Load Rating (C0) lbf - 93800
Cone Width (B) mm - 46.672
Cone Width (B) inch - 1.8375
Cup Width (C) mm - 36.512
Cup Width (C) inch - 1.4375
Effective Center Location (a) mm - -11.9
Effective Center Location (a) inch - -0.47
Maximum Shaft Fillet Radius (R) mm - 5
Maximum Shaft Fillet Radius (R) inch - 0.2
Cone Frontface Backing Diameter (da) mm - 82
Cone Frontface Backing Diameter (da) inch - 3.23
Cone Backface Backing Diameter (db) mm - 91
Cone Backface Backing Diameter (db) inch - 3.58
Max Housing Fillet Radius (r) mm - 3.3
Max Housing Fillet Radius (r) inch - 0.13
Cup Frontface Backing Diameter (Da) mm - 142
Cup Frontface Backing Diameter (Da) inch - 5.59
Cup Backface Backing Diameter (Db) mm - 134
Cup Backface Backing Diameter (Db) inch - 5.28
Cage-Cone Backface Clearance (Aa) mm - 1.8
Cage-Cone Backface Clearance (Aa) inch - 0.07
Cage-Cone Frontface Clearance (Ab) mm - 1.3
Cage-Cone Frontface Clearance (Ab) inch - 0.05
Geometry Factor (G1) - 159.6
Geometry Factor (G2) - 26.3
Geometry Factor (Cg) - 0.0898
Weight (kg) - 3.91
Weight (lbs) - 8.6
Inner Part Number - 744A
Outer Part Number - 742
TS - Single Row Tapered Roller Bearing
** Images are for representation purposes only
