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
« 66 67 68 69 70 »  

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

3981 - 3919RB N/A 3900 N/A 2.3125 in58.738 mm N/A 4-7/16 in112.713 mm N/A 1.1830 in30.048 mm N/A 0.9687 in24.605 mm N/A 1.1875 in30.163 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
3981 - 3920 N/A 3900 N/A 2.3125 in58.738 mm N/A 4-7/16 in112.713 mm N/A 1.1830 in30.048 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
3981 - 3925 N/A 3900 N/A 2.3125 in58.738 mm N/A 4-7/16 in112.713 mm N/A 1.1830 in30.048 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
3981 - 3926 N/A 3900 N/A 2.3125 in58.738 mm N/A 4-7/16 in112.713 mm N/A 1.1830 in30.048 mm N/A 1.0625 in26.988 mm N/A 1.3126 in33.340 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
3981 - 3927X N/A 3900 N/A 2.3125 in58.738 mm N/A 4.3307 in110 mm N/A 1.1830 in30.048 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
65231 - 65500 N/A 65000 N/A 2.3125 in58.738 mm N/A 5 in127 mm N/A 1.75 in44.45 mm N/A 1.3750 in34.925 mm N/A 1.7500 in44.450 mm N/A 54700 lbf243000 N N/A 66700 lbf297000 N N/A CAD Icon (for items table)
65231 - 65501 N/A 65000 N/A 2.3125 in58.738 mm N/A 5 in127 mm N/A 1.75 in44.45 mm N/A 1.3750 in34.925 mm N/A 1.7500 in44.450 mm N/A 54700 lbf243000 N N/A 66700 lbf297000 N N/A CAD Icon (for items table)
3978 - 3920 N/A 3900 N/A 2.3437 in59.530 mm N/A 4-7/16 in112.713 mm N/A 1.1830 in30.048 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
65235 - 65500 N/A 65000 N/A 2.3575 in59.881 mm N/A 5 in127 mm N/A 1.75 in44.45 mm N/A 1.3750 in34.925 mm N/A 1.7500 in44.450 mm N/A 54700 lbf243000 N N/A 66700 lbf297000 N N/A CAD Icon (for items table)
65235 - 65501 N/A 65000 N/A 2.3575 in59.881 mm N/A 5 in127 mm N/A 1.75 in44.45 mm N/A 1.3750 in34.925 mm N/A 1.7500 in44.450 mm N/A 54700 lbf243000 N N/A 66700 lbf297000 N N/A CAD Icon (for items table)
745 - 742 N/A 745 N/A 2.3595 in59.931 mm N/A 5.9090 in150.089 mm N/A 1.8375 in46.673 mm N/A 1.4375 in36.513 mm N/A 1.7500 in44.450 mm N/A 71400 lbf318000 N N/A 93800 lbf417000 N N/A CAD Icon (for items table)
745 - 742A N/A 745 N/A 2.3595 in59.931 mm N/A 5.9045 in149.974 mm N/A 1.8375 in46.673 mm N/A 1.4375 in36.513 mm N/A 1.7502 in44.455 mm N/A 71400 lbf318000 N N/A 93800 lbf417000 N N/A CAD Icon (for items table)
745 - 742V N/A 745 N/A 2.3595 in59.931 mm N/A 5.9090 in150.089 mm N/A 1.8375 in46.673 mm N/A 1.4375 in36.513 mm N/A 1.7502 in44.455 mm N/A 71400 lbf318000 N N/A 93800 lbf417000 N N/A CAD Icon (for items table)
745 - 742X N/A 745 N/A 2.3595 in59.931 mm N/A 5.9090 in150.089 mm N/A 1.8375 in46.673 mm N/A 1.4375 in36.513 mm N/A 1.7502 in44.455 mm N/A 71400 lbf318000 N N/A 93800 lbf417000 N N/A CAD Icon (for items table)
66589 - 66520 N/A 66500 N/A 2.3611 in59.972 mm N/A 4 13/16 in122.238 mm N/A 1.2500 in31.750 mm N/A 0.9375 in23.813 mm N/A 1.3125 in33.338 mm N/A 41200 lbf183000 N N/A 39900 lbf178000 N N/A CAD Icon (for items table)
28980 - 28919 N/A 28900 N/A 2.3613 in59.977 mm N/A 3.9362 in99.979 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9688 in24.608 mm N/A 23800 lbf106000 N N/A 33500 lbf149000 N N/A CAD Icon (for items table)
28980 - 28920 N/A 28900 N/A 2.3613 in59.977 mm N/A 4 in101.6 mm N/A 1.0000 in25.400 mm N/A 0.7813 in19.845 mm N/A 1.0001 in25.403 mm N/A 23800 lbf106000 N N/A 33500 lbf149000 N N/A CAD Icon (for items table)
28980 - 28921 N/A 28900 N/A 2.3613 in59.977 mm N/A 3.937 in100 mm N/A 1.0000 in25.400 mm N/A 0.7813 in19.845 mm N/A 1.0000 in25.400 mm N/A 23800 lbf106000 N N/A 33500 lbf149000 N N/A CAD Icon (for items table)
28980 - 28921A N/A 28900 N/A 2.3613 in59.977 mm N/A 3.937 in100 mm N/A 1.0000 in25.400 mm N/A 0.7813 in19.845 mm N/A 1.0001 in25.403 mm N/A 23800 lbf106000 N N/A 33500 lbf149000 N N/A CAD Icon (for items table)
66586 - 66520 N/A 66500 N/A 2.3613 in59.977 mm N/A 4 13/16 in122.238 mm N/A 1.2500 in31.750 mm N/A 0.9375 in23.813 mm N/A 1.3125 in33.338 mm N/A 34800 lbf155000 N N/A 39900 lbf178000 N N/A CAD Icon (for items table)
3977X - 3920 N/A 3900 N/A 2.3617 in59.987 mm N/A 4-7/16 in112.713 mm N/A 1.1024 in28.001 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
3977X - 3921XA N/A 3900 N/A 2.3617 in59.987 mm N/A 4.3301 in109.985 mm N/A 1.1024 in28.001 mm N/A 0.9375 in23.813 mm N/A 1.1713 in29.751 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
39236 - 39412 N/A 39000 N/A 2.3617 in59.987 mm N/A 4.1250 in104.775 mm N/A 0.8661 in21.999 mm N/A 0.6250 in15.875 mm N/A 0.8438 in21.433 mm N/A 25800 lbf115000 N N/A 27000 lbf120000 N N/A CAD Icon (for items table)
39236 - 39414X N/A 39000 N/A 2.3617 in59.987 mm N/A 4.1339 in105.001 mm N/A 0.8661 in21.999 mm N/A 0.6299 in15.999 mm N/A 0.8661 in21.999 mm N/A 25800 lbf115000 N N/A 27000 lbf120000 N N/A CAD Icon (for items table)
39236 - 39422 N/A 39000 N/A 2.3617 in59.987 mm N/A 4.2188 in107.158 mm N/A 0.8661 in21.999 mm N/A 0.8348 in21.204 mm N/A 0.8662 in22.001 mm N/A 25800 lbf115000 N N/A 27000 lbf120000 N N/A CAD Icon (for items table)
39236 - 39433 N/A 39000 N/A 2.3617 in59.987 mm N/A 4.3330 in110.058 mm N/A 0.8661 in21.999 mm N/A 0.6786 in17.236 mm N/A 0.8661 in21.999 mm N/A 25800 lbf115000 N N/A 27000 lbf120000 N N/A CAD Icon (for items table)
558-S - 553A N/A 555 N/A 2.3617 in59.987 mm N/A 4.9213 in125.001 mm N/A 1.4440 in36.678 mm N/A 1.1875 in30.163 mm N/A 1.5000 in38.100 mm N/A 42900 lbf191000 N N/A 55700 lbf248000 N N/A CAD Icon (for items table)
558-S - 553-SA N/A 555 N/A 2.3617 in59.987 mm N/A 5.1159 in129.944 mm N/A 1.4440 in36.678 mm N/A 1.1875 in30.163 mm N/A 1.5000 in38.100 mm N/A 42900 lbf191000 N N/A 55700 lbf248000 N N/A CAD Icon (for items table)
6391 - 6320V N/A 6300 N/A 2.3617 in59.987 mm N/A 5.3447 in135.755 mm N/A 2.2050 in56.007 mm N/A 1.7500 in44.450 mm N/A 2.1250 in53.975 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A CAD Icon (for items table)
H913840 - H913810 N/A H913800 N/A 2.3617 in59.987 mm N/A 5.7500 in146.050 mm N/A 1.5625 in39.688 mm N/A 1.0000 in25.400 mm N/A 1.6250 in41.275 mm N/A 61300 lbf273000 N N/A 57500 lbf256000 N N/A CAD Icon (for items table)
HM813839P - HM813810 N/A HM813800 N/A 2.3617 in59.987 mm N/A 5 in127 mm N/A 1.4375 in36.513 mm N/A 1.0625 in26.988 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A CAD Icon (for items table)
HM813839 - HM813810 N/A HM813800 N/A 2.3617 in59.987 mm N/A 5 in127 mm N/A 1.4375 in36.513 mm N/A 1.0625 in26.988 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A CAD Icon (for items table)
HM813839P - HM813810P N/A HM813800 N/A 2.3617 in59.987 mm N/A 5 in127 mm N/A 1.4375 in36.513 mm N/A 1.0625 in26.988 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A CAD Icon (for items table)
HM813839 - HM813810P N/A HM813800 N/A 2.3617 in59.987 mm N/A 5 in127 mm N/A 1.4375 in36.513 mm N/A 1.0625 in26.988 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A CAD Icon (for items table)
HM813839P - HM813811 N/A HM813800 N/A 2.3617 in59.987 mm N/A 5 in127 mm N/A 1.4375 in36.513 mm N/A 1.0625 in26.988 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A CAD Icon (for items table)
HM813839 - HM813811 N/A HM813800 N/A 2.3617 in59.987 mm N/A 5 in127 mm N/A 1.4375 in36.513 mm N/A 1.0625 in26.988 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A CAD Icon (for items table)
HM911244 - HM911210 N/A HM911200 N/A 2.3617 in59.987 mm N/A 5.1250 in130.175 mm N/A 1.2175 in30.925 mm N/A 0.9375 in23.813 mm N/A 1.3425 in34.100 mm N/A 44400 lbf198000 N N/A 41100 lbf183000 N N/A CAD Icon (for items table)
HM911244 - HM911216 N/A HM911200 N/A 2.3617 in59.987 mm N/A 5.3143 in134.983 mm N/A 1.2175 in30.925 mm N/A 0.8641 in21.948 mm N/A 1.3169 in33.449 mm N/A 44400 lbf198000 N N/A 41100 lbf183000 N N/A CAD Icon (for items table)
29582 - 29520 N/A 29500 N/A 2.3622 in60 mm N/A 4.25 in107.95 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 1.0000 in25.400 mm N/A 29400 lbf131000 N N/A 36300 lbf161000 N N/A CAD Icon (for items table)
29580 - 29520 N/A 29500 N/A 2.3622 in60 mm N/A 4.25 in107.95 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 1.0000 in25.400 mm N/A 29400 lbf131000 N N/A 36300 lbf161000 N N/A CAD Icon (for items table)
29580 - 29521 N/A 29500 N/A 2.3622 in60 mm N/A 4.3307 in110 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 1.0000 in25.400 mm N/A 29400 lbf131000 N N/A 36300 lbf161000 N N/A CAD Icon (for items table)
29582 - 29521 N/A 29500 N/A 2.3622 in60 mm N/A 4.3307 in110 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 1.0000 in25.400 mm N/A 29400 lbf131000 N N/A 36300 lbf161000 N N/A CAD Icon (for items table)
29580 - 29522 N/A 29500 N/A 2.3622 in60 mm N/A 4.25 in107.95 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 1.0000 in25.400 mm N/A 29400 lbf131000 N N/A 36300 lbf161000 N N/A CAD Icon (for items table)
29582 - 29522 N/A 29500 N/A 2.3622 in60 mm N/A 4.25 in107.95 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 1.0000 in25.400 mm N/A 29400 lbf131000 N N/A 36300 lbf161000 N N/A CAD Icon (for items table)
3977 - 3919RB N/A 3900 N/A 2.3622 in60 mm N/A 4-7/16 in112.713 mm N/A 1.1830 in30.048 mm N/A 0.9687 in24.605 mm N/A 1.1875 in30.163 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
3977 - 3920 N/A 3900 N/A 2.3622 in60 mm N/A 4-7/16 in112.713 mm N/A 1.1830 in30.048 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
3977 - 3925 N/A 3900 N/A 2.3622 in60 mm N/A 4-7/16 in112.713 mm N/A 1.1830 in30.048 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
3977 - 3926 N/A 3900 N/A 2.3622 in60 mm N/A 4-7/16 in112.713 mm N/A 1.1830 in30.048 mm N/A 1.0625 in26.988 mm N/A 1.3126 in33.340 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
3977 - 3927X N/A 3900 N/A 2.3622 in60 mm N/A 4.3307 in110 mm N/A 1.1830 in30.048 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A CAD Icon (for items table)
397 - 393 N/A 395 N/A 2.3622 in60 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.063 in27 mm N/A 1.0630 in27.000 mm N/A 22200 lbf98900 N N/A 28100 lbf125000 N N/A CAD Icon (for items table)
Unit of Measure
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