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

539A - 532X N/A 535 N/A 2.125 in53.975 mm N/A 4.25 in107.95 mm N/A 1.4550 in36.957 mm N/A 1.1250 in28.575 mm N/A 1.4375 in36.513 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
539W - 532X N/A 535 N/A 2.125 in53.975 mm N/A 4.25 in107.95 mm N/A 1.4550 in36.957 mm N/A 1.1250 in28.575 mm N/A 1.4376 in36.515 mm N/A 38700 lbf172000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
539A - 532XA N/A 535 N/A 2.125 in53.975 mm N/A 4.3287 in109.949 mm N/A 1.4550 in36.957 mm N/A 1.1250 in28.575 mm N/A 1.4376 in36.515 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
539W - 532XA N/A 535 N/A 2.125 in53.975 mm N/A 4.3287 in109.949 mm N/A 1.4550 in36.957 mm N/A 1.1250 in28.575 mm N/A 1.4376 in36.515 mm N/A 38700 lbf172000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
539 - 532XA N/A 535 N/A 2.125 in53.975 mm N/A 4.3287 in109.949 mm N/A 1.4550 in36.957 mm N/A 1.1250 in28.575 mm N/A 1.4375 in36.513 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
539W - 533A N/A 535 N/A 2.125 in53.975 mm N/A 4.0625 in103.188 mm N/A 1.4550 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 38700 lbf172000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
539A - 533A N/A 535 N/A 2.125 in53.975 mm N/A 4.0625 in103.188 mm N/A 1.4550 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
539 - 533A N/A 535 N/A 2.125 in53.975 mm N/A 4.0625 in103.188 mm N/A 1.4550 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
539 - 533X N/A 535 N/A 2.125 in53.975 mm N/A 4.3307 in110 mm N/A 1.4550 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
539A - 533X N/A 535 N/A 2.125 in53.975 mm N/A 4.3307 in110 mm N/A 1.4550 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
539W - 533X N/A 535 N/A 2.125 in53.975 mm N/A 4.3307 in110 mm N/A 1.4550 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 38700 lbf172000 N N/A 46200 lbf206000 N N/A CAD Icon (for items table)
5578 - 5520 N/A 5500 N/A 2.125 in53.975 mm N/A 4.7343 in120.251 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7499 in44.447 mm N/A 53200 lbf237000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
5577 - 5520 N/A 5500 N/A 2.125 in53.975 mm N/A 4.7343 in120.251 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7499 in44.447 mm N/A 53200 lbf237000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
5578V - 5520 N/A 5500 N/A 2.125 in53.975 mm N/A 4.7343 in120.251 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7499 in44.447 mm N/A 63000 lbf280000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
5577 - 5521 N/A 5500 N/A 2.125 in53.975 mm N/A 5.1181 in130 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7499 in44.447 mm N/A 53200 lbf237000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
5578 - 5521 N/A 5500 N/A 2.125 in53.975 mm N/A 5.1181 in130 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7499 in44.447 mm N/A 53200 lbf237000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
5578V - 5521 N/A 5500 N/A 2.125 in53.975 mm N/A 5.1181 in130 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7499 in44.447 mm N/A 63000 lbf280000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
557-S - 552A N/A 555 N/A 2.125 in53.975 mm N/A 4-7/8 in123.825 mm N/A 1.4440 in36.678 mm N/A 1.1875 in30.163 mm N/A 1.5000 in38.100 mm N/A 50800 lbf226000 N N/A 55700 lbf248000 N N/A CAD Icon (for items table)
5578V - 5535 N/A 5500 N/A 2.125 in53.975 mm N/A 4 13/16 in122.238 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7187 in43.655 mm N/A 63000 lbf280000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
5578 - 5535 N/A 5500 N/A 2.125 in53.975 mm N/A 4 13/16 in122.238 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7188 in43.658 mm N/A 53200 lbf237000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
5577 - 5535 N/A 5500 N/A 2.125 in53.975 mm N/A 4 13/16 in122.238 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7188 in43.658 mm N/A 53200 lbf237000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
5577 - 5535V N/A 5500 N/A 2.125 in53.975 mm N/A 4 13/16 in122.238 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7187 in43.655 mm N/A 53200 lbf237000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
5578 - 5535V N/A 5500 N/A 2.125 in53.975 mm N/A 4 13/16 in122.238 mm N/A 1.7230 in43.764 mm N/A 1.4375 in36.513 mm N/A 1.7187 in43.655 mm N/A 53200 lbf237000 N N/A 73500 lbf327000 N N/A CAD Icon (for items table)
55212C - 55434 N/A 55000C N/A 2.125 in53.975 mm N/A 4.3301 in109.985 mm N/A 1.0594 in26.909 mm N/A 0.7766 in19.726 mm N/A 1.1516 in29.251 mm N/A 34000 lbf151000 N N/A 36200 lbf161000 N N/A CAD Icon (for items table)
55212C - 55437 N/A 55000C N/A 2.125 in53.975 mm N/A 4.375 in111.125 mm N/A 1.0594 in26.909 mm N/A 0.8125 in20.638 mm N/A 1.1875 in30.163 mm N/A 34000 lbf151000 N N/A 36200 lbf161000 N N/A CAD Icon (for items table)
55212C - 55443 N/A 55000C N/A 2.125 in53.975 mm N/A 4-7/16 in112.713 mm N/A 1.0594 in26.909 mm N/A 0.8125 in20.638 mm N/A 1.1875 in30.163 mm N/A 34000 lbf151000 N N/A 36200 lbf161000 N N/A CAD Icon (for items table)
621 - 612 N/A 615 N/A 2.125 in53.975 mm N/A 4 3/4 in120.650 mm N/A 1.625 in41.275 mm N/A 1.2500 in31.750 mm N/A 1.6250 in41.275 mm N/A 46600 lbf207000 N N/A 54800 lbf244000 N N/A CAD Icon (for items table)
621 - 612A N/A 615 N/A 2.125 in53.975 mm N/A 4.7260 in120.040 mm N/A 1.625 in41.275 mm N/A 1.2500 in31.750 mm N/A 1.6251 in41.278 mm N/A 46600 lbf207000 N N/A 54800 lbf244000 N N/A CAD Icon (for items table)
621 - 612-S N/A 615 N/A 2.125 in53.975 mm N/A 4 3/4 in120.650 mm N/A 1.625 in41.275 mm N/A 1.2500 in31.750 mm N/A 1.6250 in41.275 mm N/A 46600 lbf207000 N N/A 54800 lbf244000 N N/A CAD Icon (for items table)
621 - 612V N/A 615 N/A 2.125 in53.975 mm N/A 4 3/4 in120.650 mm N/A 1.625 in41.275 mm N/A 1.2500 in31.750 mm N/A 1.6251 in41.278 mm N/A 46600 lbf207000 N N/A 54800 lbf244000 N N/A CAD Icon (for items table)
621 - 614X N/A 615 N/A 2.125 in53.975 mm N/A 4.5276 in115.001 mm N/A 1.625 in41.275 mm N/A 1.2400 in31.496 mm N/A 1.6151 in41.024 mm N/A 46600 lbf207000 N N/A 54800 lbf244000 N N/A CAD Icon (for items table)
65212 - 65500 N/A 65000 N/A 2.125 in53.975 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)
65212 - 65501 N/A 65000 N/A 2.125 in53.975 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)
66212 - 66461 N/A 66000 N/A 2.125 in53.975 mm N/A 4.625 in117.475 mm N/A 1.2500 in31.750 mm N/A 0.9375 in23.813 mm N/A 1.3125 in33.338 mm N/A 39700 lbf177000 N N/A 37300 lbf166000 N N/A CAD Icon (for items table)
66212 - 66462 N/A 66000 N/A 2.125 in53.975 mm N/A 4.625 in117.475 mm N/A 1.2500 in31.750 mm N/A 0.9375 in23.813 mm N/A 1.3125 in33.338 mm N/A 39700 lbf177000 N N/A 37300 lbf166000 N N/A CAD Icon (for items table)
66584 - 66520 N/A 66500 N/A 2.125 in53.975 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)
72213C - 72487 N/A 72000C N/A 2.125 in53.975 mm N/A 4-7/8 in123.825 mm N/A 1.2910 in32.791 mm N/A 1.0000 in25.400 mm N/A 1.4375 in36.513 mm N/A 48200 lbf214000 N N/A 46800 lbf208000 N N/A CAD Icon (for items table)
72212C - 72487 N/A 72000C N/A 2.125 in53.975 mm N/A 4-7/8 in123.825 mm N/A 1.2910 in32.791 mm N/A 1.0000 in25.400 mm N/A 1.4375 in36.513 mm N/A 48200 lbf214000 N N/A 46800 lbf208000 N N/A CAD Icon (for items table)
72212 - 72487 N/A 72000 N/A 2.125 in53.975 mm N/A 4-7/8 in123.825 mm N/A 1.2910 in32.791 mm N/A 1.0000 in25.400 mm N/A 1.4375 in36.513 mm N/A 37100 lbf165000 N N/A 39400 lbf175000 N N/A CAD Icon (for items table)
72212 - 72500 N/A 72000 N/A 2.125 in53.975 mm N/A 5 in127 mm N/A 1.2910 in32.791 mm N/A 1.0000 in25.400 mm N/A 1.4375 in36.513 mm N/A 37100 lbf165000 N N/A 39400 lbf175000 N N/A CAD Icon (for items table)
72212C - 72500 N/A 72000C N/A 2.125 in53.975 mm N/A 5 in127 mm N/A 1.2910 in32.791 mm N/A 1.0000 in25.400 mm N/A 1.4375 in36.513 mm N/A 48200 lbf214000 N N/A 46800 lbf208000 N N/A CAD Icon (for items table)
72213C - 72500 N/A 72000C N/A 2.125 in53.975 mm N/A 5 in127 mm N/A 1.2910 in32.791 mm N/A 1.0000 in25.400 mm N/A 1.4375 in36.513 mm N/A 48200 lbf214000 N N/A 46800 lbf208000 N N/A CAD Icon (for items table)
78214 - 78537 N/A 78000 N/A 2.125 in53.975 mm N/A 5.3750 in136.525 mm N/A 1.3085 in33.236 mm N/A 0.9260 in23.520 mm N/A 1.4375 in36.513 mm N/A 45600 lbf203000 N N/A 43400 lbf193000 N N/A CAD Icon (for items table)
78215C - 78537 N/A 78000C N/A 2.125 in53.975 mm N/A 5.3750 in136.525 mm N/A 1.3085 in33.236 mm N/A 0.9260 in23.520 mm N/A 1.4375 in36.513 mm N/A 53200 lbf237000 N N/A 52600 lbf234000 N N/A CAD Icon (for items table)
78214C - 78537 N/A 78000C N/A 2.125 in53.975 mm N/A 5.3750 in136.525 mm N/A 1.3085 in33.236 mm N/A 0.9260 in23.520 mm N/A 1.4375 in36.513 mm N/A 53200 lbf237000 N N/A 52600 lbf234000 N N/A CAD Icon (for items table)
78215 - 78537 N/A 78000 N/A 2.125 in53.975 mm N/A 5.3750 in136.525 mm N/A 1.3085 in33.236 mm N/A 0.9260 in23.520 mm N/A 1.4375 in36.513 mm N/A 45600 lbf203000 N N/A 43400 lbf193000 N N/A CAD Icon (for items table)
78215C - 78551 N/A 78000C N/A 2.125 in53.975 mm N/A 5.5130 in140.030 mm N/A 1.3085 in33.236 mm N/A 0.9260 in23.520 mm N/A 1.4375 in36.513 mm N/A 53200 lbf237000 N N/A 52600 lbf234000 N N/A CAD Icon (for items table)
78214 - 78551 N/A 78000 N/A 2.125 in53.975 mm N/A 5.5130 in140.030 mm N/A 1.3085 in33.236 mm N/A 0.9260 in23.520 mm N/A 1.4375 in36.513 mm N/A 45600 lbf203000 N N/A 43400 lbf193000 N N/A CAD Icon (for items table)
78215 - 78551 N/A 78000 N/A 2.125 in53.975 mm N/A 5.5130 in140.030 mm N/A 1.3085 in33.236 mm N/A 0.9260 in23.520 mm N/A 1.4375 in36.513 mm N/A 45600 lbf203000 N N/A 43400 lbf193000 N N/A CAD Icon (for items table)
78214C - 78551 N/A 78000C N/A 2.125 in53.975 mm N/A 5.5130 in140.030 mm N/A 1.3085 in33.236 mm N/A 0.9260 in23.520 mm N/A 1.4375 in36.513 mm N/A 53200 lbf237000 N N/A 52600 lbf234000 N N/A CAD Icon (for items table)
Unit of Measure
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