Description
Brand - TIMKEN
Item Number - 687/672A TIMKEN
Also Known As - 687 - 672A
Category - Single Row Tapered Roller Bearing (TS Type)
Bore Diameter (d) mm - 101.6
Bore Diameter (d) inch - 4
Outer Diameter (D) mm - 168.275
Outer Diameter (D) inch - 6.625
Width (T) mm - 41.275
Width (T) inch - 1.625
Dynamic Load Rating (C1) N - 265000
Dynamic Load Rating (C1) lbf - 59500
Factor (e) - 0.47
Factor (Y) - 1.28
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) N - 68600
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) lbf - 15400
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 55300
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 12400
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.24
Basic Static Radial Load Rating (C0) N - 386000
Basic Static Radial Load Rating (C0) lbf - 86700
Cone Width (B) mm - 41.275
Cone Width (B) inch - 1.625
Cup Width (C) mm - 34.925
Cup Width (C) inch - 1.375
Effective Center Location (a) mm - -2.8
Effective Center Location (a) inch - -0.11
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Cone Frontface Backing Diameter (da) mm - 112
Cone Frontface Backing Diameter (da) inch - 4.41
Cone Backface Backing Diameter (db) mm - 118
Cone Backface Backing Diameter (db) inch - 4.65
Max Housing Fillet Radius (r) mm - 3.3
Max Housing Fillet Radius (r) inch - 0.13
Cup Frontface Backing Diameter (Da) mm - 160
Cup Frontface Backing Diameter (Da) inch - 6.3
Cup Backface Backing Diameter (Db) mm - 149
Cup Backface Backing Diameter (Db) inch - 5.87
Cage-Cone Backface Clearance (Aa) mm - 4.9
Cage-Cone Backface Clearance (Aa) inch - 0.19
Cage-Cone Frontface Clearance (Ab) mm - 2.1
Cage-Cone Frontface Clearance (Ab) inch - 0.08
Geometry Factor (G1) - 182.5
Geometry Factor (G2) - 37.3
Geometry Factor (Cg) - 0.1056
Weight (kg) - 3.46
Weight (lbs) - 7.64
Inner Part Number - 687
Outer Part Number - 672A
TS - Single Row Tapered Roller Bearing
** Images are for representation purposes only




