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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Key Features

  • Supports heavy radial loads
  • Enhanced operational reliability
  • Long service life
CRB Single Row
Cylindrical-Roller-Radial-Bearings---Single-Row-Standard-RU_RJ
Unit of Measure
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Part Number

Bore (d)

O.D. (D)

Width (B)

Dynamic Radial Load Rating - 1M Revs (C1)

Shaft Backing Shoulder Diameter

Housing Backing Shoulder Diameter

Static Radial Load Rating (C0)

Thermal Reference Speed - Oil

Thermal Reference Speed - Grease 

CAD

250RIJ91R3 N/A 250 mm N/A 410 mm16.1417 in N/A 4.375 in111.125 mm N/A 1680000 N377000 lbf N/A 277.8 mm10.9400 in N/A 382.6 mm15.0600 in N/A 2720000 N611000 lbf N/A 850 rpm N/A 770 rpm N/A
250RIF91R3 N/A 250 mm N/A 410 mm16.1417 in N/A 4.375 in111.125 mm N/A 1680000 N377000 lbf N/A 277.8 mm10.9400 in N/A 382.6 mm15.0600 in N/A 2720000 N611000 lbf N/A 850 rpm N/A 770 rpm N/A
250RIT91R3 N/A 250 mm N/A 410 mm16.1417 in N/A 4.375 in111.125 mm N/A 1680000 N377000 lbf N/A 277.8 mm10.9400 in N/A 382.6 mm15.0600 in N/A 2720000 N611000 lbf N/A 850 rpm N/A 770 rpm N/A
250RU93AA774R3 N/A 250 mm N/A 520 mm20.4724 in N/A 7.75 in196.850 mm N/A 3520000 N791000 lbf N/A N/A N/A 5470000 N1230000 lbf N/A 660 rpm N/A 610 rpm N/A
100RIU435OO771R3 N/A 254 mm N/A 400.05 mm15.75 in N/A 3.1252 in79.38 mm N/A 1160000 N261000 lbf N/A N/A N/A 1810000 N407000 lbf N/A 890 rpm N/A 790 rpm N/A
260RU30OC1268R3 N/A 260 mm N/A 400 mm15.748 in N/A 4.0945 in104 mm N/A 1530000 N344000 lbf N/A 285 mm11.2000 in N/A 375 mm14.8000 in N/A 2630000 N591000 lbf N/A 830 rpm N/A 750 rpm N/A
260RU92OA1175R3 N/A 260 mm N/A 480 mm18.8976 in N/A 6.25 in158.750 mm N/A 2770000 N623000 lbf N/A 300 mm11.8000 in N/A 440 mm17.3000 in N/A 4410000 N991000 lbf N/A 700 rpm N/A 640 rpm N/A
280RU30R3 N/A 280 mm N/A 420 mm16.5354 in N/A 4.1732 in106 mm N/A 1690000 N380000 lbf N/A 303 mm11.9000 in N/A 397 mm15.6000 in N/A 3040000 N683000 lbf N/A 740 rpm N/A 670 rpm N/A
280RU30R4 N/A 280 mm N/A 420 mm16.5354 in N/A 4.1732 in106 mm N/A 1690000 N380000 lbf N/A 303 mm11.9000 in N/A 397 mm15.6000 in N/A 3040000 N683000 lbf N/A 740 rpm N/A 670 rpm N/A
280RU30 R3 N/A 280 mm N/A 420 mm16.5354 in N/A 4.1732 in106 mm N/A 1690000 N380000 lbf N/A 303 mm11.9000 in N/A 397 mm15.6000 in N/A 3040000 N683000 lbf N/A 770 rpm N/A 710 rpm N/A
280RU51R3 N/A 280 mm N/A 460 mm18.1102 in N/A 2.4803 in63 mm N/A 954000 N214000 lbf N/A 311 mm12.2000 in N/A 429 mm16.9000 in N/A 1340000 N301000 lbf N/A 810 rpm N/A 690 rpm N/A
280RU91OD1268 N/A 280 mm N/A 460 mm18.1102 in N/A 4.8750 in123.825 mm N/A 2410000 N542000 lbf N/A 314 mm12.4000 in N/A N/A 3700000 N832000 lbf N/A 680 rpm N/A 620 rpm N/A
280RU91OD1268R2 N/A 280 mm N/A 460 mm18.1102 in N/A 4.8750 in123.825 mm N/A 2110000 N474000 lbf N/A 311 mm12.2000 in N/A 429 mm16.9000 in N/A 3700000 N832000 lbf N/A 680 rpm N/A 620 rpm N/A
280RU91OD1268R3 N/A 280 mm N/A 460 mm18.1102 in N/A 4.8750 in123.825 mm N/A 2110000 N474000 lbf N/A 311 mm12.2000 in N/A 429 mm16.9000 in N/A 3700000 N832000 lbf N/A 680 rpm N/A 620 rpm N/A
280RU91OD1268R7 N/A 280 mm N/A 460 mm18.1102 in N/A 4.8750 in123.825 mm N/A 2110000 N474000 lbf N/A 311 mm12.2000 in N/A 429 mm16.9000 in N/A 3700000 N832000 lbf N/A 680 rpm N/A 620 rpm N/A
280RU91OE1792R3 N/A 280 mm N/A 460 mm18.1102 in N/A 4.8750 in123.825 mm N/A 2110000 N474000 lbf N/A 311 mm12.2000 in N/A 429 mm16.9000 in N/A 3700000 N832000 lbf N/A 680 rpm N/A 620 rpm N/A
280RU91OD1268 R3 N/A 280 mm N/A 460 mm18.1102 in N/A 4.8750 in123.825 mm N/A 2410000 N542000 lbf N/A 314 mm12.4000 in N/A N/A 3700000 N832000 lbf N/A 680 rpm N/A 620 rpm N/A
280RU91OD1268 R7 N/A 280 mm N/A 460 mm18.1102 in N/A 4.8750 in123.825 mm N/A 2410000 N542000 lbf N/A 314 mm12.4000 in N/A N/A 3700000 N832000 lbf N/A 680 rpm N/A 620 rpm N/A
280RU51 R3 N/A 280 mm N/A 460 mm18.1102 in N/A 2.4803 in63 mm N/A 954000 N214000 lbf N/A 311 mm12.2000 in N/A 429 mm16.9000 in N/A 1340000 N301000 lbf N/A 810 rpm N/A 690 rpm N/A
280RU92AC1112 N/A 280 mm N/A 500 mm19.685 in N/A 6.5 in165.1 mm N/A 3630000 N816000 lbf N/A 317 mm12.5000 in N/A 455 mm17.9000 in N/A 5180000 N1160000 lbf N/A 610 rpm N/A 570 rpm N/A
280RU92AC1112R3 N/A 280 mm N/A 500 mm19.685 in N/A 6.5 in165.1 mm N/A 3150000 N708000 lbf N/A 319 mm12.6000 in N/A 461 mm18.2000 in N/A 5220000 N1170000 lbf N/A 610 rpm N/A 570 rpm N/A
300RU30OA107R3 N/A 300 mm N/A 460 mm18.1102 in N/A 4.6457 in118 mm N/A 1990000 N447000 lbf N/A 330 mm13.0000 in N/A 429 mm16.9000 in N/A 3640000 N818000 lbf N/A 660 rpm N/A 600 rpm N/A
300RU30R4 N/A 300 mm N/A 460 mm18.1102 in N/A 4.6457 in118 mm N/A 1990000 N447000 lbf N/A 330 mm13.0000 in N/A 429 mm16.9000 in N/A 3640000 N818000 lbf N/A 660 rpm N/A 600 rpm N/A
300RU92AD1112R3 N/A 300 mm N/A 540 mm21.2598 in N/A 7 in177.8 mm N/A 3700000 N832000 lbf N/A 343 mm13.5000 in N/A 497 mm19.6000 in N/A 6150000 N1380000 lbf N/A 540 rpm N/A 500 rpm N/A
300RU92R3 N/A 300 mm N/A 540 mm21.2598 in N/A 7 in177.8 mm N/A 3700000 N832000 lbf N/A 343 mm13.5000 in N/A 497 mm19.6000 in N/A 6150000 N1380000 lbf N/A 540 rpm N/A 500 rpm N/A
Unit of Measure
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