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 (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	CAD

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
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
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
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
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
UC307	N/A 35 mm	N/A 80 mm3.150 in	N/A 48 mm1.89 in	N/A 19300 N4339 lbf	N/A 33400 N7509 lbf	N/A
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
UC305-16	N/A 1.0000 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
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

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No Preference
25
30
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No Preference
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No Preference
2.441
2.835
3.150
3.543
3.937
4.331
4.724
5.118
5.512
5.906
6.299
6.693
7.087
7.480
7.874
8.465
8.8580
9.449
10.236
11.024
11.811

No Preference
38
43
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52
57
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82
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103
108
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117
126
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No Preference
1.496
1.693
1.89
2.047
2.244
2.402
2.598
2.795
2.953
3.071
3.228
3.386
3.780
4.055
4.252
4.409
4.606
4.961
5.315
5.709

No Preference
21200
26700
33400
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92700
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No Preference
4766
6002
7509
9150
10993
13938
16096
18412
20840
23380
25404
27652
29900
32148
34396
38892
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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