Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.com
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This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
Timken_TRB_1ROWASSY_TS_32005X-90KA1-A
TRB TS Line Drawing
Unit of Measure
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Part Number

Series

d - Bore

D - Cup Outer Diameter

B - Cone Width

C - Cup Width

T - Bearing Width

C1 - Dynamic Radial Rating (1 million revolutions)

C0 - Static Radial Rating

CAD

25576 - 25524 N/A 25500 N/A 1.6875 in42.863 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25576 - 25526 N/A 25500 N/A 1.6875 in42.863 mm N/A 3.3465 in85.001 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25578 - 25526 N/A 25500 N/A 1.6875 in42.863 mm N/A 3.3465 in85.001 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25576 - 25527 N/A 25500 N/A 1.6875 in42.863 mm N/A 3.3465 in85.001 mm N/A 1.0000 in25.400 mm N/A 0.8750 in22.225 mm N/A 1.0626 in26.990 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25578 - 25527 N/A 25500 N/A 1.6875 in42.863 mm N/A 3.3465 in85.001 mm N/A 1.0000 in25.400 mm N/A 0.8750 in22.225 mm N/A 1.0626 in26.990 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25576 - 25528 N/A 25500 N/A 1.6875 in42.863 mm N/A 3.625 in92.075 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25578 - 25528 N/A 25500 N/A 1.6875 in42.863 mm N/A 3.625 in92.075 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25578 - 25530RB N/A 25500 N/A 1.6875 in42.863 mm N/A 3.3125 in84.138 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25576 - 25530RB N/A 25500 N/A 1.6875 in42.863 mm N/A 3.3125 in84.138 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25578 - 25547RB N/A 25500 N/A 1.6875 in42.863 mm N/A 3.9368 in99.995 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0001 in25.403 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25576 - 25547RB N/A 25500 N/A 1.6875 in42.863 mm N/A 3.9368 in99.995 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0001 in25.403 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
2973 - 2924 N/A 2900 N/A 1.6875 in42.863 mm N/A 3.3465 in85.001 mm N/A 1.0082 in25.608 mm N/A 0.8125 in20.638 mm N/A 1.0001 in25.403 mm N/A 21000 lbf93300 N N/A 26200 lbf117000 N N/A CAD Icon (for items table)
2973 - 2925 N/A 2900 N/A 1.6875 in42.863 mm N/A 3.4375 in87.313 mm N/A 1.0082 in25.608 mm N/A 0.8750 in22.225 mm N/A 1.0626 in26.990 mm N/A 21000 lbf93300 N N/A 26200 lbf117000 N N/A CAD Icon (for items table)
29168 - 29334 N/A 29000 N/A 1.6875 in42.863 mm N/A 3.346 in84.988 mm N/A 0.7545 in19.164 mm N/A 0.6250 in15.875 mm N/A 0.7480 in18.999 mm N/A 14000 lbf62400 N N/A 15600 lbf69200 N N/A CAD Icon (for items table)
3579 - 3520 N/A 3500 N/A 1.6875 in42.863 mm N/A 3.3125 in84.138 mm N/A 1.2160 in30.886 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 25500 lbf113000 N N/A 30100 lbf134000 N N/A CAD Icon (for items table)
3579 - 3525 N/A 3500 N/A 1.6875 in42.863 mm N/A 3.4375 in87.313 mm N/A 1.2160 in30.886 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 25500 lbf113000 N N/A 30100 lbf134000 N N/A CAD Icon (for items table)
3579 - 3526 N/A 3500 N/A 1.6875 in42.863 mm N/A 3.4375 in87.313 mm N/A 1.2160 in30.886 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 25500 lbf113000 N N/A 30100 lbf134000 N N/A CAD Icon (for items table)
3579 - 3530 N/A 3500 N/A 1.6875 in42.863 mm N/A 3.3125 in84.138 mm N/A 1.2160 in30.886 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 25500 lbf113000 N N/A 30100 lbf134000 N N/A CAD Icon (for items table)
65383 - 65320 N/A 65300 N/A 1.6875 in42.863 mm N/A 4.5000 in114.300 mm N/A 1.75 in44.45 mm N/A 1.3750 in34.925 mm N/A 1.7500 in44.450 mm N/A 50300 lbf224000 N N/A 57500 lbf256000 N N/A CAD Icon (for items table)
65383 - 65321 N/A 65300 N/A 1.6875 in42.863 mm N/A 4.5000 in114.300 mm N/A 1.75 in44.45 mm N/A 1.3750 in34.925 mm N/A 1.7500 in44.450 mm N/A 50300 lbf224000 N N/A 57500 lbf256000 N N/A CAD Icon (for items table)
25577 - 25518 N/A 25500 N/A 1.6880 in42.875 mm N/A 3.2273 in81.973 mm N/A 1.0000 in25.400 mm N/A 0.7525 in19.114 mm N/A 0.9400 in23.876 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25519 N/A 25500 N/A 1.6880 in42.875 mm N/A 3.2500 in82.550 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25520 N/A 25500 N/A 1.6880 in42.875 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25521 N/A 25500 N/A 1.6880 in42.875 mm N/A 3.2700 in83.058 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25522 N/A 25500 N/A 1.6880 in42.875 mm N/A 3.2700 in83.058 mm N/A 1.0000 in25.400 mm N/A 0.7525 in19.114 mm N/A 0.9400 in23.876 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25523 N/A 25500 N/A 1.6880 in42.875 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 0.8750 in22.225 mm N/A 1.0625 in26.988 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25524 N/A 25500 N/A 1.6880 in42.875 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25526 N/A 25500 N/A 1.6880 in42.875 mm N/A 3.3465 in85.001 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25527 N/A 25500 N/A 1.6880 in42.875 mm N/A 3.3465 in85.001 mm N/A 1.0000 in25.400 mm N/A 0.8750 in22.225 mm N/A 1.0626 in26.990 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25528 N/A 25500 N/A 1.6880 in42.875 mm N/A 3.625 in92.075 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25530RB N/A 25500 N/A 1.6880 in42.875 mm N/A 3.3125 in84.138 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
25577 - 25547RB N/A 25500 N/A 1.6880 in42.875 mm N/A 3.9368 in99.995 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0001 in25.403 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD Icon (for items table)
26886 - 26820 N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1562 in80.167 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26884 - 26820 N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1562 in80.167 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0001 in25.403 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26884 - 26821 N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1562 in80.167 mm N/A 1.0000 in25.400 mm N/A 0.9688 in24.608 mm N/A 1.1564 in29.373 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26886 - 26821 N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1562 in80.167 mm N/A 1.0000 in25.400 mm N/A 0.9688 in24.608 mm N/A 1.1564 in29.373 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26884 - 26822 N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1250 in79.375 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26886 - 26822 N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1250 in79.375 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26886 - 26822A N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1250 in79.375 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26884 - 26822A N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1250 in79.375 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26886 - 26823 N/A 26800 N/A 1.6880 in42.875 mm N/A 3 in76.2 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0001 in25.403 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26884 - 26823 N/A 26800 N/A 1.6880 in42.875 mm N/A 3 in76.2 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26884 - 26824 N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1496 in80 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26886 - 26824 N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1496 in80 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26884 - 26830 N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1562 in80.167 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0001 in25.403 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
26886 - 26830 N/A 26800 N/A 1.6880 in42.875 mm N/A 3.1562 in80.167 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD Icon (for items table)
342-S - 332 N/A 335 N/A 1.6880 in42.875 mm N/A 3.1496 in80 mm N/A 0.8820 in22.403 mm N/A 0.7018 in17.826 mm N/A 0.8268 in21.001 mm N/A 21200 lbf94300 N N/A 18700 lbf83400 N N/A CAD Icon (for items table)
342-S - 332A N/A 335 N/A 1.6880 in42.875 mm N/A 3.1496 in80 mm N/A 0.8820 in22.403 mm N/A 0.8268 in21.001 mm N/A 0.9518 in24.176 mm N/A 21200 lbf94300 N N/A 18700 lbf83400 N N/A CAD Icon (for items table)
16986 - 16929 N/A 16900 N/A 1.6924 in42.987 mm N/A 2.9523 in74.988 mm N/A 0.7810 in19.837 mm N/A 0.5625 in14.288 mm N/A 0.7625 in19.368 mm N/A 13400 lbf59500 N N/A 16500 lbf73500 N N/A CAD Icon (for items table)
17886 - 17830 N/A 17800 N/A 1.6924 in42.987 mm N/A 3.1250 in79.375 mm N/A 0.8125 in20.638 mm N/A 0.6250 in15.875 mm N/A 0.8125 in20.638 mm N/A 15500 lbf68900 N N/A 18700 lbf83300 N N/A CAD Icon (for items table)
Unit of Measure
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