• Timken--Double-Row-Non-Adjustable-Industrial-Tapered-Roller-Bearing--TNA--Main_Family-Picture-2026
Timken double-row non-adjustable (TNA) bearings feature extended inner race narrow faces that eliminate the need for a separate inner race spacer. This innovative design reduces assembly time and complexity, making it ideal for high-performance machinery. Supplied with an in-built clearance to give a standard setting range, these bearings provide a solution for many fixed or floating bearing applications in sectors such as manufacturing, mining, construction equipment, and power transmission systems.
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Bore (d) (in)

Bore (d) (mm)

O.D. (D) (in)

O.D. (D) (mm)

T - Bearing Width across Cones (in)

T - Bearing Width across Cones (mm)

C1 - Dynamic Radial Rating (1 million revolutions) (lbf)

C1 - Dynamic Radial Rating (1 million revolutions) (N)

Part Number

Bore (d)

O.D. (D)

T - Bearing Width across Cones

Outer Ring Width (C)

C1 - Dynamic Radial Rating (1 million revolutions)

CAD

N/A 0.7500 in19.050 mm N/A 1.8504 in47.000 mm N/A 1.25 in31.75 mm N/A 0.9926 in25.212 mm N/A 10500 lbf46500 N N/A
N/A 0.9835 in24.981 mm N/A 2.4409 in61.999 mm N/A 1.5625 in39.688 mm N/A 1.4275 in36.259 mm N/A 16900 lbf75300 N N/A
N/A 1.1250 in28.575 mm N/A 2-15/16 in74.613 mm N/A 2.1876 in55.565 mm N/A 1.625 in41.275 mm N/A 27300 lbf121000 N N/A
N/A 1.1806 in29.987 mm N/A 2.8336 in71.973 mm N/A 1.6835 in42.76 mm N/A 1.4375 in36.513 mm N/A 23000 lbf102000 N N/A
N/A 1.2500 in31.750 mm N/A 2.3125 in58.738 mm N/A 1.2812 in32.542 mm N/A 0.9688 in24.608 mm N/A 12400 lbf55200 N N/A
N/A 1.3125 in33.338 mm N/A 3.1875 in80.963 mm N/A 2.1875 in55.562 mm N/A 1.5625 in39.688 mm N/A 30400 lbf135000 N N/A
N/A 1.3750 in34.925 mm N/A 2.717 in69.012 mm N/A 1.8126 in46.04 mm N/A 1.5 in38.1 mm N/A 21400 lbf95100 N N/A
N/A 1.3770 in34.976 mm N/A 3.1510 in80.035 mm N/A 1.8126 in46.04 mm N/A 1.375 in34.925 mm N/A 24800 lbf111000 N N/A
N/A 1.4375 in36.513 mm N/A 3.6250 in92.075 mm N/A 2.1875 in55.562 mm N/A 1.5625 in39.688 mm N/A 32900 lbf147000 N N/A
N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.8124 in46.035 mm N/A 1.5 in38.1 mm N/A 22200 lbf98700 N N/A
N/A 1.5625 in39.688 mm N/A 3.4843 in88.501 mm N/A 2.1875 in55.562 mm N/A 1.5625 in39.688 mm N/A 32900 lbf147000 N N/A
N/A 1.5625 in39.688 mm N/A 3.6250 in92.075 mm N/A 2.1875 in55.562 mm N/A 1.5625 in39.688 mm N/A 32900 lbf147000 N N/A
N/A 1.5748 in40 mm N/A 3.548 in90.119 mm N/A 2 in50.8 mm N/A 1.7500 in44.450 mm N/A 32000 lbf142000 N N/A
N/A 1.6250 in41.275 mm N/A 3.6250 in92.075 mm N/A 2.1875 in55.562 mm N/A 1.5625 in39.688 mm N/A 39100 lbf174000 N N/A
N/A 1.7188 in43.658 mm N/A 3.2500 in82.550 mm N/A 1.75 in44.45 mm N/A 1.375 in34.925 mm N/A 30300 lbf135000 N N/A
N/A 1.7500 in44.450 mm N/A 3.1250 in79.375 mm N/A 1.6249 in41.272 mm N/A 1.3125 in33.338 mm N/A 20400 lbf90600 N N/A
N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2.4376 in61.915 mm N/A 2 in50.8 mm N/A 49700 lbf221000 N N/A
N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2.5626 in65.090 mm N/A 1.7500 in44.450 mm N/A 39200 lbf174000 N N/A
N/A 1.7500 in44.450 mm N/A 3.8750 in98.425 mm N/A 2.5626 in65.090 mm N/A 1.7500 in44.450 mm N/A 39200 lbf174000 N N/A
N/A 1.9685 in50.000 mm N/A 3.5433 in90.000 mm N/A 1.9689 in50.01 mm N/A 1.6563 in42.07 mm N/A 39900 lbf177000 N N/A
N/A 2 in50.8 mm N/A 3.6718 in93.264 mm N/A 2.5625 in65.088 mm N/A 2.0625 in52.388 mm N/A 47800 lbf213000 N N/A
N/A 2 in50.8 mm N/A 4.25 in107.95 mm N/A 2.5626 in65.090 mm N/A 2.1250 in53.975 mm N/A 53100 lbf236000 N N/A
N/A 2 in50.8 mm N/A 4.4375 in112.713 mm N/A 2.5625 in65.088 mm N/A 1.8125 in46.038 mm N/A 41600 lbf185000 N N/A
N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 3.125 in79.375 mm N/A 2.5 in63.5 mm N/A 67400 lbf300000 N N/A
N/A 2.1250 in53.975 mm N/A 4.6250 in117.475 mm N/A 2.875 in73.025 mm N/A 2.1250 in53.975 mm N/A 58300 lbf259000 N N/A
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