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Description
Brand - TIMKEN
Item Number - 78250/78537 TIMKEN
Also Known As - 78250 - 78537
Category - Single Row Tapered Roller Bearing (TS Type)
Bore Diameter (d) mm - 63.5
Bore Diameter (d) inch - 2.5
Outer Diameter (D) mm - 136.525
Outer Diameter (D) inch - 5.375
Width (T) mm - 36.512
Width (T) inch - 1.4375
Dynamic Load Rating (C1) N - 203000
Dynamic Load Rating (C1) lbf - 45600
Factor (e) - 0.87
Factor (Y) - 0.69
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) N - 52600
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) lbf - 11800
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 77900
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 17500
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 0.67
Basic Static Radial Load Rating (C0) N - 193000
Basic Static Radial Load Rating (C0) lbf - 43400
Cone Width (B) mm - 33.236
Cone Width (B) inch - 1.3085
Cup Width (C) mm - 23.52
Cup Width (C) inch - 0.926
Effective Center Location (a) mm - 7.9
Effective Center Location (a) inch - 0.31
Maximum Shaft Fillet Radius (R) mm - 2.3
Maximum Shaft Fillet Radius (R) inch - 0.09
Cone Frontface Backing Diameter (da) mm - 79
Cone Frontface Backing Diameter (da) inch - 3.1
Cone Backface Backing Diameter (db) mm - 85
Cone Backface Backing Diameter (db) inch - 3.35
Max Housing Fillet Radius (r) mm - 3.3
Max Housing Fillet Radius (r) inch - 0.13
Cup Frontface Backing Diameter (Da) mm - 130
Cup Frontface Backing Diameter (Da) inch - 5.12
Cup Backface Backing Diameter (Db) mm - 115
Cup Backface Backing Diameter (Db) inch - 4.53
Cage-Cone Backface Clearance (Aa) mm - 6.9
Cage-Cone Backface Clearance (Aa) inch - 0.27
Cage-Cone Frontface Clearance (Ab) mm - 4.2
Cage-Cone Frontface Clearance (Ab) inch - 0.17
Geometry Factor (G1) - 62.6
Geometry Factor (G2) - 19.1
Geometry Factor (Cg) - 0.0884
Weight (kg) - 2.28
Weight (lbs) - 5.02
Inner Part Number - 78250
Outer Part Number - 78537
TS - Single Row Tapered Roller Bearing
** Images are for representation purposes only
