• Timken--Type-TTHD-Thrust-Tapered-Roller-Bearings_Main_Family_Picture
TTHD (Tapered Thrust Heavy-Duty) bearings are engineered for superior load capacity and efficiency. Each bearing features two thrust races, precision rollers, and a durable cage. This advanced design delivers up to 40% more load capacity compared to cylindrical and spherical bearings of the same envelope dimensions. The unique configuration of TTHD bearings provides a critical advantage: true rolling motion. By aligning raceway and roller extensions to converge at a single point on the axis of rotation, TTHD bearings minimize friction. This results in reduced heat generation, less wear on races and rollers, and longer service life for demanding applications.
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Bore (d) (in)

O.D. (D) (in)

O.D. (D) (mm)

Width (T) (in)

Width (T) (mm)

Dynamic Axial Rating - 90M Revs (Ca90) (lbf)

Dynamic Axial Rating - 90M Revs (Ca90) (N)

Part Number

Bore (d)

O.D. (D)

Width (T)

Dynamic Axial Rating - 90M Revs (Ca90)

Static Axial Load Rating (Ca0)

CAD

T135-902A1 N/A 1 3/8 in N/A 3 in76.2 mm N/A 0.625 in15.875 mm N/A 7130 lbf30000 N N/A 71200 lbf320000 N N/A
T1750-902A1 N/A 1 3/4 in N/A 3.336 in84.734 mm N/A 0.7188 in18.258 mm N/A 9460 lbf40000 N N/A 97700 lbf430000 N N/A
T1750-90010 N/A 1 3/4 in N/A 3.336 in84.734 mm N/A 0.7188 in18.258 mm N/A 9460 lbf40000 N N/A 97700 lbf430000 N N/A
T200A-902A1 N/A 2 in N/A 4.3125 in109.538 mm N/A 0.875 in22.225 mm N/A 16400 lbf70000 N N/A 181000 lbf800000 N N/A
T200A-903A2 N/A 2 in N/A 4.3125 in109.538 mm N/A 0.875 in22.225 mm N/A 16400 lbf70000 N N/A 181000 lbf800000 N N/A
T2520-902A1 N/A 2 1/2 in N/A 4.6250 in117.475 mm N/A 1 in25.4 mm N/A 16900 lbf80000 N N/A 180000 lbf800000 N N/A
T2520-903A2 N/A 2 1/2 in N/A 4.6250 in117.475 mm N/A 1 in25.4 mm N/A 16900 lbf80000 N N/A 180000 lbf800000 N N/A
30TTHD013 N/A 3 in N/A 6.3750 in161.925 mm N/A 1.312 in33.325 mm N/A 37900 lbf170000 N N/A 405000 lbf1800000 N N/A
T311-902A1 N/A 3 in N/A 6.3750 in161.925 mm N/A 1.3215 in33.338 mm N/A 34200 lbf150000 N N/A 395000 lbf1760000 N N/A
T311F-902A3 N/A 3 in N/A 6.3750 in161.925 mm N/A 1.3215 in33.338 mm N/A 281000 lbf1250000 N N/A 545000 lbf2440000 N N/A
T311-903A2 N/A 3 in N/A 6.3750 in161.925 mm N/A 1.3215 in33.338 mm N/A 34200 lbf150000 N N/A 395000 lbf1760000 N N/A
T411-902A4 N/A 4 in N/A 8.5000 in215.900 mm N/A 1.8125 in46.038 mm N/A 56800 lbf250000 N N/A 682000 lbf3030000 N N/A
T411F-902A5 N/A 4 in N/A 8.5000 in215.900 mm N/A 1.8125 in46.038 mm N/A 485000 lbf2160000 N N/A 945000 lbf4200000 N N/A
T411-903A2 N/A 4 in N/A 8.5000 in215.900 mm N/A 1.8125 in46.038 mm N/A 56800 lbf250000 N N/A 682000 lbf3030000 N N/A
T441-902A1 N/A 4.4 in N/A 8.8 in223.52 mm N/A 2.2 in55.88 mm N/A 60700 lbf270000 N N/A 727000 lbf3230000 N N/A
T441-903A2 N/A 4.4 in N/A 8.8 in223.52 mm N/A 2.2 in55.88 mm N/A 60700 lbf270000 N N/A 727000 lbf3230000 N N/A
T451-902A1 N/A 4 1/2 in N/A 9.8750 in250.825 mm N/A 2.125 in53.975 mm N/A 79100 lbf350000 N N/A 985000 lbf4380000 N N/A
T520-902A3 N/A 5 in N/A 9.8750 in250.825 mm N/A 2.1875 in55.563 mm N/A 69500 lbf310000 N N/A 831000 lbf3700000 N N/A
F-530-A N/A 5 in N/A 10.5 in266.7 mm N/A 2.3125 in58.738 mm N/A 60100 lbf265000 N N/A 1060000 lbf4720000 N N/A
T511-902A3 N/A 5 in N/A 10.5 in266.7 mm N/A 2.3125 in58.738 mm N/A 83600 lbf370000 N N/A 1030000 lbf4580000 N N/A
T511F-902A5 N/A 5 in N/A 10.5 in266.7 mm N/A 2.3125 in58.738 mm N/A 730000 lbf3260000 N N/A 1430000 lbf6350000 N N/A
T511-903A2 N/A 5 in N/A 10.5 in266.7 mm N/A 2.3125 in58.738 mm N/A 83600 lbf370000 N N/A 1030000 lbf4580000 N N/A
T511A-902A4 N/A 5.0625 in N/A 10.5 in266.7 mm N/A 2.3125 in58.738 mm N/A 83600 lbf370000 N N/A 1030000 lbf4580000 N N/A
T9250FA-90015 N/A 5 1/2 in N/A 21.5000 in546.100 mm N/A 5 in127 mm N/A 3600000 lbf16050000 N N/A 7050000 lbf31200000 N N/A
N-3247-A N/A 6 in N/A 11.5 in292.1 mm N/A 3 in76.2 mm N/A 83680 lbf370000 N N/A 1150000 lbf5120000 N N/A
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