• 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 2.1250 in53.975 mm N/A 4.8750 in123.825 mm N/A 3.0625 in77.788 mm N/A 2.1875 in55.563 mm N/A 64600 lbf287000 N N/A
N/A 2.1654 in55.001 mm N/A 3.9370 in100.000 mm N/A 2.0625 in52.388 mm N/A 1.6875 in42.863 mm N/A 42200 lbf188000 N N/A
N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 2.0625 in52.388 mm N/A 1.8125 in46.038 mm N/A 38700 lbf172000 N N/A
N/A 2.3622 in60.000 mm N/A 4.7244 in120.000 mm N/A 2.5626 in65.090 mm N/A 2.1250 in53.975 mm N/A 56100 lbf250000 N N/A
N/A 2.3750 in60.325 mm N/A 4.8750 in123.825 mm N/A 3.125 in79.375 mm N/A 2.5 in63.5 mm N/A 74700 lbf332000 N N/A
N/A 2.5000 in63.500 mm N/A 5.5 in139.7 mm N/A 3.0625 in77.788 mm N/A 2.0395 in51.803 mm N/A 79300 lbf353000 N N/A
N/A 2.6250 in66.675 mm N/A 5 in127 mm N/A 3.1875 in80.962 mm N/A 2.5625 in65.088 mm N/A 76900 lbf342000 N N/A
N/A 2.7500 in69.850 mm N/A 4.7244 in120.000 mm N/A 2.5626 in65.090 mm N/A 2.1250 in53.975 mm N/A 56100 lbf250000 N N/A
N/A 2.7500 in69.850 mm N/A 5.3750 in136.525 mm N/A 3.75 in95.25 mm N/A 3 in76.2 mm N/A 91200 lbf406000 N N/A
N/A 2.7559 in70 mm N/A 4.7244 in120.000 mm N/A 2.5626 in65.090 mm N/A 2.1250 in53.975 mm N/A 56100 lbf250000 N N/A
N/A 2.8750 in73.025 mm N/A 5 in127 mm N/A 3.1875 in80.962 mm N/A 2.5625 in65.088 mm N/A 76900 lbf342000 N N/A
N/A 3 in76.2 mm N/A 5.3750 in136.525 mm N/A 2.75 in69.85 mm N/A 2.1250 in53.975 mm N/A 60500 lbf269000 N N/A
N/A 3 in76.2 mm N/A 6.0000 in152.400 mm N/A 3.75 in95.25 mm N/A 3 in76.2 mm N/A 96700 lbf430000 N N/A
N/A 3 in76.2 mm N/A 7.0000 in177.800 mm N/A 4.3125 in109.538 mm N/A 2.9375 in74.613 mm N/A 142000 lbf632000 N N/A
N/A 3.2500 in82.550 mm N/A 5.5115 in139.992 mm N/A 3.25 in82.55 mm N/A 2.625 in66.675 mm N/A 80900 lbf360000 N N/A
N/A 3.2500 in82.550 mm N/A 6.125 in155.575 mm N/A 4 in101.6 mm N/A 3.375 in85.725 mm N/A 147000 lbf656000 N N/A
N/A 3.2500 in82.550 mm N/A 6.7500 in171.450 mm N/A 4.9375 in125.412 mm N/A 3.9375 in100.013 mm N/A 160000 lbf712000 N N/A
N/A 3.5000 in88.900 mm N/A 6.0000 in152.400 mm N/A 3.25 in82.55 mm N/A 2.5 in63.5 mm N/A 84600 lbf376000 N N/A
N/A 3.5000 in88.900 mm N/A 6.3750 in161.925 mm N/A 4.125 in104.775 mm N/A 3.375 in85.725 mm N/A 128000 lbf570000 N N/A
N/A 3.5000 in88.900 mm N/A 7.875 in200.025 mm N/A 4.5625 in115.888 mm N/A 3.1581 in80.216 mm N/A 159000 lbf708000 N N/A
N/A 3.7500 in95.250 mm N/A 6.3750 in161.925 mm N/A 3.2499 in82.547 mm N/A 2.4375 in61.913 mm N/A 87500 lbf389000 N N/A
N/A 3.7500 in95.250 mm N/A 7.1250 in180.975 mm N/A 4.125 in104.775 mm N/A 3.375 in85.725 mm N/A 135000 lbf603000 N N/A
N/A 3.937 in100 mm N/A 6.6250 in168.275 mm N/A 3.625 in92.075 mm N/A 2.75 in69.85 mm N/A 104000 lbf461000 N N/A
N/A 4.0000 in101.600 mm N/A 6.6250 in168.275 mm N/A 3.625 in92.075 mm N/A 2.75 in69.85 mm N/A 104000 lbf461000 N N/A
N/A 4.0000 in101.600 mm N/A 7.0866 in180 mm N/A 4.125 in104.775 mm N/A 3.375 in85.725 mm N/A 135000 lbf603000 N N/A
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