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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●   UCF four-bolt flanged units are suggested for industrial applications where heavy loads are encountered.
●   Each unit comes assembled and ready for mounting, using bolts through the flange.
●   These units use wide inner ring ball bearings with self-aligning spherical outside diameters that compensate for shaft misalignment.
●   Timken UCF series Mounted Bearings feature the Timken set screw locking (UC) bearing insert.
●   Bearing prelubricated and ready for immediate installation.
●   Grease fitting supplied for relubrication.
●   The bonded seal design is well-suited for applications involving wet or dirty environments.
●   Bolt-hole spacing dimensions and shaft center location are interchangeable with competitive units.
●   Housing designed for ease of bearing replacement.
Mounted Bearings_U-Series_UCF305
Mounted Bearings-U-Series-UCF-Line-Drawing
Unit of Measure
1 2 

Part Number

Bearing Number

Shaft Size d

Static Load Rating

Dynamic Load Rating

CAD

UCF319 N/A UC319 N/A 95 mm N/A 119000 N26753 lbf N/A 153000 N34396 lbf N/A
UCF320 N/A UC320 N/A 100 mm N/A 141000 N31698 lbf N/A 173000 N38892 lbf N/A
UCF320-63 N/A UC320-63 N/A 3 15/16 in N/A 141000 N31698 lbf N/A 173000 N38892 lbf N/A
UCF320-64 N/A UC320-64 N/A 4 in N/A 141000 N31698 lbf N/A 173000 N38892 lbf N/A
UCF321 N/A UC321 N/A 105 mm N/A 153000 N34396 lbf N/A 184000 N41365 lbf N/A
UCF322 N/A UC322 N/A 110 mm N/A 180000 N40466 lbf N/A 205000 N46086 lbf N/A
UCF324 N/A UC324 N/A 120 mm N/A 185000 N41590 lbf N/A 207000 N46536 lbf N/A
UCF326 N/A UC326 N/A 130 mm N/A 214000 N48110 lbf N/A 229000 N51482 lbf N/A
UCF328 N/A UC328 N/A 140 mm N/A 246000 N55304 lbf N/A 253000 N56877 lbf N/A
Unit of Measure
1 2