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

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(Not available for sale in US)
● 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

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
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
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
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
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
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
UC318-56	N/A 3 1/2 in	N/A 190 mm7.480 in	N/A 96 mm3.780 in	N/A 107000 N24055 lbf	N/A 143000 N32148 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

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2.441
2.835
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1.89
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18412
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41365
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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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