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Description
Brand - TIMKEN
Item Number - 12580/12520 TIMKEN
Also Known As - 12580 - 12520
Category - Single Row Tapered Roller Bearing (TS Type)
Bore Diameter (d) mm - 20.637
Bore Diameter (d) inch - 0.8125
Outer Diameter (D) mm - 49.225
Outer Diameter (D) inch - 1.938
Width (T) mm - 19.845
Width (T) inch - 0.7813
Dynamic Load Rating (C1) N - 43600
Dynamic Load Rating (C1) lbf - 9810
Factor (e) - 0.32
Factor (Y) - 1.86
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) N - 11300
Basic Dynamic Radial Load Rating (90 Million Revolution) (C90) lbf - 2540
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 6260
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 1410
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.81
Basic Static Radial Load Rating (C0) N - 43200
Basic Static Radial Load Rating (C0) lbf - 9720
Cone Width (B) mm - 19.845
Cone Width (B) inch - 0.7813
Cup Width (C) mm - 15.875
Cup Width (C) inch - 0.625
Effective Center Location (a) mm - -7.1
Effective Center Location (a) inch - -0.28
Maximum Shaft Fillet Radius (R) mm - 1.5
Maximum Shaft Fillet Radius (R) inch - 0.06
Cone Frontface Backing Diameter (da) mm - 26
Cone Frontface Backing Diameter (da) inch - 1.02
Cone Backface Backing Diameter (db) mm - 28.5
Cone Backface Backing Diameter (db) inch - 1.12
Max Housing Fillet Radius (r) mm - 1.5
Max Housing Fillet Radius (r) inch - 0.06
Cup Frontface Backing Diameter (Da) mm - 45.5
Cup Frontface Backing Diameter (Da) inch - 1.79
Cup Backface Backing Diameter (Db) mm - 42.5
Cup Backface Backing Diameter (Db) inch - 1.67
Cage-Cone Backface Clearance (Aa) mm - 0.8
Cage-Cone Backface Clearance (Aa) inch - 0.03
Cage-Cone Frontface Clearance (Ab) mm - 1.2
Cage-Cone Frontface Clearance (Ab) inch - 0.05
Geometry Factor (G1) - 8.6
Geometry Factor (G2) - 6.2
Geometry Factor (Cg) - 0.0495
Weight (kg) - 0.18
Weight (lbs) - 0.4
Inner Part Number - 12580
Outer Part Number - 12520
TS - Single Row Tapered Roller Bearing
** Images are for representation purposes only
