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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●   The UC wide inner ring ball bearing uses a popular set screw locking mechanism and is suggested for industrial applications where heavy loads are encountered.
●   The set screw mounting feature is ideal for reversing load applications.
●   Bearing prelubricated and ready for immediate installation.
●   The wide inner ring provides effective shaft support for a broad range of industrial applications.
●   The positive contact of the land-riding bonded nitrile seal helps protect against harmful contaminants and retains lubricant under severe operating conditions.
●   An external steel flinger provides additional protection from contamination.
●   The UC series features superfinished raceways, grade-10 balls for smooth running and low noise operation.
●   UC series wide inner ring ball bearings have spherical outside diameters for use in housings with corresponding spherical
Mounted Bearings_U-Series_UC305
Mounted Bearings-U-Series-UC-Line-Drawing
Unit of Measure
1 

Part Number

Shaft Size d

Outside Diameter

Total Width

Static Load Rating

Dynamic Load Rating

CAD

UC305 N/A 25 mm N/A 62 mm2.441 in N/A 38 mm1.496 in N/A 10900 N2450 lbf N/A 21200 N4766 lbf N/A CAD Icon (for items table)
UC305-16 N/A 1 in N/A 62 mm2.441 in N/A 38 mm1.496 in N/A 10900 N2450 lbf N/A 21200 N4766 lbf N/A CAD Icon (for items table)
UC306 N/A 30 mm N/A 72 mm2.835 in N/A 43 mm1.693 in N/A 15000 N3372 lbf N/A 26700 N6002 lbf N/A CAD Icon (for items table)
UC307 N/A 35 mm N/A 80 mm3.15 in N/A 48 mm1.890 in N/A 19300 N4339 lbf N/A 33400 N7509 lbf N/A CAD Icon (for items table)
UC308-24 N/A 1 1/2 in N/A 90 mm3.543 in N/A 52 mm2.047 in N/A 24000 N5395 lbf N/A 40700 N9150 lbf N/A CAD Icon (for items table)
UC308 N/A 40 mm N/A 90 mm3.543 in N/A 52 mm2.047 in N/A 24000 N5395 lbf N/A 40700 N9150 lbf N/A CAD Icon (for items table)
UC309-28 N/A 1 3/4 in N/A 100 mm3.937 in N/A 57 mm2.244 in N/A 29500 N6632 lbf N/A 48900 N10993 lbf N/A CAD Icon (for items table)
UC309 N/A 45 mm N/A 100 mm3.937 in N/A 57 mm2.244 in N/A 29500 N6632 lbf N/A 48900 N10993 lbf N/A CAD Icon (for items table)
UC310 N/A 50 mm N/A 110 mm4.331 in N/A 61 mm2.402 in N/A 38300 N8610 lbf N/A 62000 N13938 lbf N/A CAD Icon (for items table)
UC311-32 N/A 2 in N/A 120 mm4.724 in N/A 66 mm2.598 in N/A 45000 N10117 lbf N/A 71600 N16096 lbf N/A CAD Icon (for items table)
UC311 N/A 55 mm N/A 120 mm4.724 in N/A 66 mm2.598 in N/A 45000 N10117 lbf N/A 71600 N16096 lbf N/A CAD Icon (for items table)
UC311-35 N/A 2 3/16 in N/A 120 mm4.724 in N/A 66 mm2.598 in N/A 45000 N10117 lbf N/A 71600 N16096 lbf N/A CAD Icon (for items table)
UC312 N/A 60 mm N/A 130 mm5.118 in N/A 71 mm2.795 in N/A 52200 N11735 lbf N/A 81900 N18412 lbf N/A CAD Icon (for items table)
UC312-39 N/A 2 7/16 in N/A 130 mm5.118 in N/A 71 mm2.795 in N/A 52200 N11735 lbf N/A 81900 N18412 lbf N/A CAD Icon (for items table)
UC313-40 N/A 2 1/2 in N/A 140 mm5.512 in N/A 75 mm2.953 in N/A 59900 N13466 lbf N/A 92700 N20840 lbf N/A CAD Icon (for items table)
UC313 N/A 65 mm N/A 140 mm5.512 in N/A 75 mm2.953 in N/A 59900 N13466 lbf N/A 92700 N20840 lbf N/A CAD Icon (for items table)
UC314-44 N/A 2 3/4 in N/A 150 mm5.906 in N/A 78 mm3.071 in N/A 68200 N15332 lbf N/A 104000 N23380 lbf N/A CAD Icon (for items table)
UC314 N/A 70 mm N/A 150 mm5.906 in N/A 78 mm3.071 in N/A 68200 N15332 lbf N/A 104000 N23380 lbf N/A CAD Icon (for items table)
UC315-47 N/A 2 15/16 in N/A 160 mm6.299 in N/A 82 mm3.228 in N/A 77200 N17355 lbf N/A 113000 N25404 lbf N/A CAD Icon (for items table)
UC315 N/A 75 mm N/A 160 mm6.299 in N/A 82 mm3.228 in N/A 77200 N17355 lbf N/A 113000 N25404 lbf N/A CAD Icon (for items table)
UC315-48 N/A 3 in N/A 160 mm6.299 in N/A 82 mm3.228 in N/A 77200 N17355 lbf N/A 113000 N25404 lbf N/A CAD Icon (for items table)
UC316 N/A 80 mm N/A 170 mm6.693 in N/A 86 mm3.386 in N/A 86700 N19491 lbf N/A 123000 N27652 lbf N/A CAD Icon (for items table)
UC317 N/A 85 mm N/A 180 mm7.087 in N/A 96 mm3.78 in N/A 96800 N21762 lbf N/A 133000 N29900 lbf N/A CAD Icon (for items table)
UC318-56 N/A 3 1/2 in N/A 190 mm7.480 in N/A 96 mm3.78 in N/A 107000 N24055 lbf N/A 143000 N32148 lbf N/A CAD Icon (for items table)
UC318 N/A 90 mm N/A 190 mm7.480 in N/A 96 mm3.78 in N/A 107000 N24055 lbf N/A 143000 N32148 lbf N/A CAD Icon (for items table)
UC319 N/A 95 mm N/A 200 mm7.8740 in N/A 103 mm4.055 in N/A 119000 N26753 lbf N/A 153000 N34396 lbf N/A CAD Icon (for items table)
UC320 N/A 100 mm N/A 215 mm8.465 in N/A 108 mm4.252 in N/A 141000 N31698 lbf N/A 173000 N38892 lbf N/A CAD Icon (for items table)
UC320-63 N/A 3 15/16 in N/A 215 mm8.465 in N/A 108 mm4.252 in N/A 141000 N31698 lbf N/A 173000 N38892 lbf N/A CAD Icon (for items table)
UC320-64 N/A 4 in N/A 215 mm8.465 in N/A 108 mm4.252 in N/A 141000 N31698 lbf N/A 173000 N38892 lbf N/A CAD Icon (for items table)
UC321 N/A 105 mm N/A 225 mm8.858 in N/A 112 mm4.409 in N/A 153000 N34396 lbf N/A 184000 N41365 lbf N/A CAD Icon (for items table)
UC322 N/A 110 mm N/A 240 mm9.449 in N/A 117 mm4.606 in N/A 180000 N40466 lbf N/A 205000 N46086 lbf N/A CAD Icon (for items table)
UC324 N/A 120 mm N/A 260 mm10.236 in N/A 126 mm4.961 in N/A 185000 N41590 lbf N/A 207000 N46536 lbf N/A CAD Icon (for items table)
UC326 N/A 130 mm N/A 280 mm11.024 in N/A 135 mm5.315 in N/A 214000 N48110 lbf N/A 229000 N51482 lbf N/A CAD Icon (for items table)
UC328 N/A 140 mm N/A 300 mm11.811 in N/A 145 mm5.709 in N/A 246000 N55304 lbf N/A 253000 N56877 lbf N/A CAD Icon (for items table)
Unit of Measure
1