The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.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

52401 - 52630X N/A 52000 N/A 4 in101.600 mm N/A 6.2992 in160 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52400A - 52630X N/A 52000 N/A 4 in101.600 mm N/A 6.2992 in160 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52401 - 52637 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52400W - 52637 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52400 - 52637 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52400A - 52637 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52400A - 52638 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.1563 in29.370 mm N/A 1.5625 in39.688 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52401 - 52638 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.1563 in29.370 mm N/A 1.5625 in39.688 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52400 - 52638 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.1563 in29.370 mm N/A 1.5625 in39.688 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52400W - 52638 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.1563 in29.370 mm N/A 1.5625 in39.688 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52400A - 52639 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.6250 in41.275 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52400W - 52639 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.6250 in41.275 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52400 - 52639 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.6250 in41.275 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
52401 - 52639 N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.6250 in41.275 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A
687 - 672 N/A 675 N/A 4 in101.600 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A
687P - 672 N/A 675 N/A 4 in101.600 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 70500 lbf314000 N N/A 86700 lbf386000 N N/A
687 - 672A N/A 675 N/A 4 in101.600 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.3750 in34.925 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A
687P - 672A N/A 675 N/A 4 in101.600 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.3750 in34.925 mm N/A 1.6250 in41.275 mm N/A 70500 lbf314000 N N/A 86700 lbf386000 N N/A
687P - 672P N/A 675 N/A 4 in101.600 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 70500 lbf314000 N N/A 86700 lbf386000 N N/A
687 - 672P N/A 675 N/A 4 in101.600 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A
687P - 673 N/A 675 N/A 4 in101.600 mm N/A 6.6919 in169.974 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 70500 lbf314000 N N/A 86700 lbf386000 N N/A
687 - 673 N/A 675 N/A 4 in101.600 mm N/A 6.6919 in169.974 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A
687P - 674 N/A 675 N/A 4 in101.600 mm N/A 6.75 in171.450 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 70500 lbf314000 N N/A 86700 lbf386000 N N/A
687 - 674 N/A 675 N/A 4 in101.600 mm N/A 6.75 in171.450 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A
780 - 772 N/A 775 N/A 4 in101.600 mm N/A 7-1/8 in180.975 mm N/A 1.8900 in48.006 mm N/A 1.5000 in38.100 mm N/A 1.8750 in47.625 mm N/A 77800 lbf346000 N N/A 111000 lbf495000 N N/A
Unit of Measure
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