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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 2 

Part Number

Shaft Size d

Outside Diameter

Total Width

Static Load Rating

Dynamic Load Rating

CAD

UC319 N/A N/A 7.8740 in N/A 4.055 in N/A 119000 N26753 lbf N/A 153000 N34396 lbf N/A CAD Icon (for items table)
UC320 N/A N/A 8.465 in N/A 4.252 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 8.465 in N/A 4.252 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 8.465 in N/A 4.252 in N/A 141000 N31698 lbf N/A 173000 N38892 lbf N/A CAD Icon (for items table)
UC321 N/A N/A 8.858 in N/A 4.409 in N/A 153000 N34396 lbf N/A 184000 N41365 lbf N/A CAD Icon (for items table)
UC322 N/A N/A 9.449 in N/A 4.606 in N/A 180000 N40466 lbf N/A 205000 N46086 lbf N/A CAD Icon (for items table)
UC324 N/A N/A 10.236 in N/A 4.961 in N/A 185000 N41590 lbf N/A 207000 N46536 lbf N/A CAD Icon (for items table)
UC326 N/A N/A 11.024 in N/A 5.315 in N/A 214000 N48110 lbf N/A 229000 N51482 lbf N/A CAD Icon (for items table)
UC328 N/A N/A 11.811 in N/A 5.709 in N/A 246000 N55304 lbf N/A 253000 N56877 lbf N/A CAD Icon (for items table)
Unit of Measure
1 2