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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Available in single, double, and multi-row configurations as well as proprietary sizes, these bearings are developed in collaboration with OE engineers to deliver premium performance across various applications. Their power-dense designs support heavier loads and help extend bearing life, while optimized internal geometry reduces torque and operating temperatures to prolong lubrication system life. Additionally, they can be engineered with proprietary enhancements to withstand highly corrosive conditions, high temperatures, vacuum environments, or situations with limited lubrication.
Timken_TRB_1ROWASSY_TS_32005X-90KA1-A
TRB TS Line Drawing
Unit of Measure
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Part Number

Bore (d)

O.D. (D)

Inner Ring Width (B)

Outer Ring Width (C)

Width (T)

Dynamic Radial Load Rating - 1M Revs (C1)

Static Radial Load Rating (C0)

Series

CAD

52394X / 52630X N/A 3.937 in100 mm N/A 6.2992 in160.000 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 47400 lbf211000 N N/A 77000 lbf343000 N N/A 52000 N/A
52394X / 52637 N/A 3.937 in100 mm N/A 6.3750 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 47400 lbf211000 N N/A 77000 lbf343000 N N/A 52000 N/A
52394X / 52638 N/A 3.937 in100 mm N/A 6.3750 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 47400 lbf211000 N N/A 77000 lbf343000 N N/A 52000 N/A
52394X / 52639 N/A 3.937 in100 mm N/A 6.3750 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 47400 lbf211000 N N/A 77000 lbf343000 N N/A 52000 N/A
783 / 772A N/A 3.937 in100 mm N/A 6.875 in174.625 mm N/A 1.89 in48.006 mm N/A 1.5 in38.1 mm N/A 1.8751 in47.628 mm N/A 77800 lbf346000 N N/A 111000 lbf495000 N N/A 775 N/A
783 / 772 N/A 3.937 in100 mm N/A 7.1250 in180.975 mm N/A 1.89 in48.006 mm N/A 1.5 in38.1 mm N/A 1.875 in47.625 mm N/A 77800 lbf346000 N N/A 111000 lbf495000 N N/A 775 N/A
863X / 852 N/A 3.937 in100 mm N/A 7.5 in190.5 mm N/A 2.2650 in57.531 mm N/A 1.875 in47.625 mm N/A 2.2501 in57.153 mm N/A 103000 lbf458000 N N/A 142000 lbf630000 N N/A 855 N/A
863X / 854 N/A 3.937 in100 mm N/A 7.5 in190.5 mm N/A 2.2650 in57.531 mm N/A 1.7500 in44.450 mm N/A 2.2501 in57.153 mm N/A 103000 lbf458000 N N/A 142000 lbf630000 N N/A 855 N/A
863X / 854V N/A 3.937 in100 mm N/A 7.5 in190.5 mm N/A 2.2650 in57.531 mm N/A 1.7500 in44.450 mm N/A 2.2501 in57.153 mm N/A 103000 lbf458000 N N/A 142000 lbf630000 N N/A 855 N/A
98394X / 98788 N/A 3.937 in100 mm N/A 7.874 in200 mm N/A 1.9375 in49.213 mm N/A 1.375 in34.925 mm N/A 2.0772 in52.761 mm N/A 108000 lbf482000 N N/A 117000 lbf519000 N N/A 98000 N/A
863X / 854X N/A 3.937 in100 mm N/A 7.875 in200.025 mm N/A 2.2650 in57.531 mm N/A 1.9375 in49.213 mm N/A 2.4376 in61.915 mm N/A 103000 lbf458000 N N/A 142000 lbf630000 N N/A 855 N/A
52393 / 52618 N/A 3.9375 in100.013 mm N/A 6.1875 in157.163 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 52000 N/A
52393 / 52618P N/A 3.9375 in100.013 mm N/A 6.1875 in157.163 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 52000 N/A
52393 / 52630X N/A 3.9375 in100.013 mm N/A 6.2992 in160.000 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 52000 N/A
52393 / 52637 N/A 3.9375 in100.013 mm N/A 6.3750 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 52000 N/A
52393 / 52638 N/A 3.9375 in100.013 mm N/A 6.3750 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 52000 N/A
52393 / 52639 N/A 3.9375 in100.013 mm N/A 6.3750 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 52000 N/A
LL420549-90010 N/A 4.0000 in101.600 mm N/A 5.3125 in134.938 mm N/A 0.5938 in15.083 mm N/A 0.4688 in11.908 mm N/A 0.6250 in15.875 mm N/A 14600 lbf64900 N N/A 23400 lbf104000 N N/A LL420500 N/A
LL420549 / LL420510 N/A 4.0000 in101.600 mm N/A 5.3125 in134.938 mm N/A 0.5938 in15.083 mm N/A 0.4688 in11.908 mm N/A 0.6250 in15.875 mm N/A 14600 lbf64900 N N/A 23400 lbf104000 N N/A LL420500 N/A
LL420549-99301 N/A 4.0000 in101.600 mm N/A 5.3125 in134.938 mm N/A 0.5938 in15.083 mm N/A 0.4688 in11.908 mm N/A 0.6250 in15.875 mm N/A 14600 lbf64900 N N/A 23400 lbf104000 N N/A LL420500 N/A
L420449 / L420410 N/A 4.0000 in101.600 mm N/A 5.3750 in136.525 mm N/A 0.8438 in21.433 mm N/A 0.6563 in16.67 mm N/A 0.8438 in21.433 mm N/A 22000 lbf97800 N N/A 39400 lbf175000 N N/A L420400 N/A
L521945 / L521910 N/A 4.0000 in101.600 mm N/A 5.7500 in146.050 mm N/A 0.8438 in21.433 mm N/A 0.6563 in16.67 mm N/A 0.8438 in21.433 mm N/A 21600 lbf96000 N N/A 39400 lbf175000 N N/A L521900 N/A
LM120749 / LM120710 N/A 4.0000 in101.600 mm N/A 5.7500 in146.050 mm N/A 1.25 in31.75 mm N/A 1.125 in28.575 mm N/A 1.25 in31.75 mm N/A 38700 lbf172000 N N/A 65700 lbf292000 N N/A LM120700 N/A
LM720648 / LM720610 N/A 4.0000 in101.600 mm N/A 5.7500 in146.050 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 1.0000 in25.400 mm N/A 29600 lbf132000 N N/A 45400 lbf202000 N N/A LM720600 N/A
L521945 / L521914 N/A 4.0000 in101.600 mm N/A 6.0000 in152.400 mm N/A 0.8438 in21.433 mm N/A 0.6563 in16.67 mm N/A 0.8438 in21.433 mm N/A 21600 lbf96000 N N/A 39400 lbf175000 N N/A L521900 N/A
Unit of Measure
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