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

(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)

Shaft Size d (mm)

Outside Diameter (mm)

Outside Diameter (in)

Total Width (in)

Total Width (mm)

Dynamic Load Rating (lbf)

Dynamic Load Rating (N)

Timken Part Number	Item #	Shaft Size d	Outside Diameter	Total Width	Static Load Rating	Dynamic Load Rating	Weight	CAD

UC305	N/A UC305	N/A 25 mm	N/A 62.000 mm2.441 in	N/A 1.496 in38.00 mm	N/A 2450 lbf10900 N	N/A 4766 lbf21200 N	N/A 0.50 lb0.2 Kg	N/A
UC305-16	N/A UC305-16	N/A 1 in	N/A 62.000 mm2.441 in	N/A 1.496 in38.00 mm	N/A 2450 lbf10900 N	N/A 4766 lbf21200 N	N/A 0.4 lb0.2 Kg	N/A
UC306	N/A UC306	N/A 30 mm	N/A 72.000 mm2.835 in	N/A 1.693 in43.00 mm	N/A 3372 lbf15000 N	N/A 6002 lbf26700 N	N/A 0.6 lb0.3 Kg	N/A
UC307	N/A UC307	N/A 35 mm	N/A 80.000 mm3.1500 in	N/A 1.890 in48.00 mm	N/A 4339 lbf19300 N	N/A 7509 lbf33400 N	N/A 0.7 lb0.3 Kg	N/A
UC308-24	N/A UC308-24	N/A 1 1/2 in	N/A 90.000 mm3.543 in	N/A 2.047 in52.00 mm	N/A 5395 lbf24000 N	N/A 9150 lbf40700 N	N/A 1.1 lb0.5 Kg	N/A
UC308	N/A UC308	N/A 40 mm	N/A 90.000 mm3.543 in	N/A 2.047 in52.00 mm	N/A 5395 lbf24000 N	N/A 9150 lbf40700 N	N/A 1.0 lb0.5 Kg	N/A
UC309-28	N/A UC309-28	N/A 1 3/4 in	N/A 100.000 mm3.937 in	N/A 2.244 in57.00 mm	N/A 6632 lbf29500 N	N/A 10993 lbf48900 N	N/A 1.4 lb0.6 Kg	N/A
UC309	N/A UC309	N/A 45 mm	N/A 100.000 mm3.937 in	N/A 2.244 in57.00 mm	N/A 6632 lbf29500 N	N/A 10993 lbf48900 N	N/A 1.30 lb0.6 Kg	N/A
UC310	N/A UC310	N/A 50 mm	N/A 110.000 mm4.331 in	N/A 2.402 in61.00 mm	N/A 8610 lbf38300 N	N/A 13938 lbf62000 N	N/A 1.7 lb0.8 Kg	N/A
UC311-32	N/A UC311-32	N/A 2 in	N/A 120.000 mm4.724 in	N/A 2.598 in66.00 mm	N/A 10117 lbf45000 N	N/A 16096 lbf71600 N	N/A 2.1 lb0.9 Kg	N/A
UC311	N/A UC311	N/A 55 mm	N/A 120.000 mm4.724 in	N/A 2.598 in66.00 mm	N/A 10117 lbf45000 N	N/A 16096 lbf71600 N	N/A 1.9 lb0.9 Kg	N/A
UC311-35	N/A UC311-35	N/A 2 3/16 in	N/A 120.000 mm4.724 in	N/A 2.598 in66.00 mm	N/A 10117 lbf45000 N	N/A 16096 lbf71600 N	N/A 1.7 lb0.8 Kg	N/A
UC312	N/A UC312	N/A 60 mm	N/A 130.000 mm5.118 in	N/A 2.795 in71.00 mm	N/A 11735 lbf52200 N	N/A 18412 lbf81900 N	N/A 2.6 lb1.20 Kg	N/A
UC312-39	N/A UC312-39	N/A 2 7/16 in	N/A 130.000 mm5.118 in	N/A 2.795 in71.00 mm	N/A 11735 lbf52200 N	N/A 18412 lbf81900 N	N/A 2.5 lb1.1 Kg	N/A
UC313-40	N/A UC313-40	N/A 2 1/2 in	N/A 140.000 mm5.512 in	N/A 2.953 in75.00 mm	N/A 13466 lbf59900 N	N/A 20840 lbf92700 N	N/A 3.2 lb1.50 Kg	N/A
UC313	N/A UC313	N/A 65 mm	N/A 140.000 mm5.512 in	N/A 2.953 in75.00 mm	N/A 13466 lbf59900 N	N/A 20840 lbf92700 N	N/A 3.2 lb1.4 Kg	N/A
UC314-44	N/A UC314-44	N/A 2 3/4 in	N/A 150.000 mm5.906 in	N/A 3.071 in78.00 mm	N/A 15332 lbf68200 N	N/A 23380 lbf104000 N	N/A 3.9 lb1.80 Kg	N/A
UC314	N/A UC314	N/A 70 mm	N/A 150.000 mm5.906 in	N/A 3.071 in78.00 mm	N/A 15332 lbf68200 N	N/A 23380 lbf104000 N	N/A 3.9 lb1.80 Kg	N/A
UC315-47	N/A UC315-47	N/A 2 15/16 in	N/A 160.000 mm6.299 in	N/A 3.228 in82.00 mm	N/A 17355 lbf77200 N	N/A 25404 lbf113000 N	N/A 4.7 lb2.10 Kg	N/A
UC315	N/A UC315	N/A 75 mm	N/A 160.000 mm6.299 in	N/A 3.228 in82.00 mm	N/A 17355 lbf77200 N	N/A 25404 lbf113000 N	N/A 4.7 lb2.10 Kg	N/A
UC315-48	N/A UC315-48	N/A 3 in	N/A 160.000 mm6.299 in	N/A 3.228 in82.00 mm	N/A 17355 lbf77200 N	N/A 25404 lbf113000 N	N/A 4.6 lb2.10 Kg	N/A
UC316	N/A UC316	N/A 80 mm	N/A 170.000 mm6.693 in	N/A 3.386 in86.00 mm	N/A 19491 lbf86700 N	N/A 27652 lbf123000 N	N/A 5.6 lb2.5 Kg	N/A
UC317	N/A UC317	N/A 85 mm	N/A 180.000 mm7.087 in	N/A 3.780 in96.00 mm	N/A 21762 lbf96800 N	N/A 29900 lbf133000 N	N/A 6.9 lb3.1 Kg	N/A
UC318-56	N/A UC318-56	N/A 3 1/2 in	N/A 190.000 mm7.480 in	N/A 3.780 in96.00 mm	N/A 24055 lbf107000 N	N/A 32148 lbf143000 N	N/A 8.00 lb3.60 Kg	N/A
UC318	N/A UC318	N/A 90 mm	N/A 190.000 mm7.480 in	N/A 3.780 in96.00 mm	N/A 24055 lbf107000 N	N/A 32148 lbf143000 N	N/A 7.9 lb3.60 Kg	N/A