UC 300 Wide Inner Ring Ball Bearings - Set Screw Locking On The Timken Company

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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

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Shaft Size d (in)

Outside Diameter (mm)

Outside Diameter (in)

Total Width (mm)

Total Width (in)

Dynamic Load Rating (N)

Dynamic Load Rating (lbf)

Part Number	Shaft Size d	Outside Diameter	Total Width	Static Load Rating	Dynamic Load Rating	CAD

UC319	N/A 95 mm	N/A 200 mm7.874 in	N/A 103 mm4.055 in	N/A 119000 N26753 lbf	N/A 153000 N34396 lbf	N/A
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
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
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
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
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
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
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
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

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2.441
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1.496
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1.890
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2.598
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41365
46086
46536
51482
56877

Shaft Size d (mm)

Shaft Size d (in)

Outside Diameter (mm)

Outside Diameter (in)

Total Width (mm)

Total Width (in)

Dynamic Load Rating (N)

Dynamic Load Rating (lbf)

Part Number

Shaft Size d

Outside Diameter

Total Width

Static Load Rating

Dynamic Load Rating

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