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Description
Brand - TIMKEN
Item Number - 25581/25521 TIMKEN
Also Known As - 25581 - 25521
Category - Single Row Tapered Roller Bearing (TS Type)
Bore Diameter (d) mm - 44.45
Bore Diameter (d) inch - 1.75
Outer Diameter (D) mm - 83.058
Outer Diameter (D) inch - 3.27
Width (T) mm - 23.812
Width (T) inch - 0.9375
Dynamic Load Rating (C1) N - 90500
Dynamic Load Rating (C1) lbf - 20300
Factor (e) - 0.33
Factor (Y) - 1.79
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) N - 23500
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) lbf - 5270
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 13500
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 3020
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.74
Basic Static Radial Load Rating (C0) N - 111000
Basic Static Radial Load Rating (C0) lbf - 24900
Cone Width (B) mm - 25.4
Cone Width (B) inch - 1
Cup Width (C) mm - 19.05
Cup Width (C) inch - 0.75
Effective Center Location (a) mm - -6.4
Effective Center Location (a) inch - -0.25
Maximum Shaft Fillet Radius (R) mm - 0.5
Maximum Shaft Fillet Radius (R) inch - 0.02
Cone Frontface Backing Diameter (da) mm - 50
Cone Frontface Backing Diameter (da) inch - 1.97
Cone Backface Backing Diameter (db) mm - 51
Cone Backface Backing Diameter (db) inch - 2.01
Max Housing Fillet Radius (r) mm - 3.3
Max Housing Fillet Radius (r) inch - 0.13
Cup Frontface Backing Diameter (Da) mm - 77
Cup Frontface Backing Diameter (Da) inch - 3.03
Cup Backface Backing Diameter (Db) mm - 72
Cup Backface Backing Diameter (Db) inch - 2.83
Cage-Cone Backface Clearance (Aa) mm - 1
Cage-Cone Backface Clearance (Aa) inch - 0.04
Cage-Cone Frontface Clearance (Ab) mm - 0.7
Cage-Cone Frontface Clearance (Ab) inch - 0.03
Geometry Factor (G1) - 35.2
Geometry Factor (G2) - 14.3
Geometry Factor (Cg) - 0.0801
Weight (kg) - 0.55
Weight (lbs) - 1.22
Inner Part Number - 25581
Outer Part Number - 25521
TS - Single Row Tapered Roller Bearing
** Images are for representation purposes only
