Precision Ball Bearings

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Precision ball bearings are used for high precision applications in a variety of markets, including aerospace, health, machine tool, robotics and general industry.

With high running accuracy, high-speed performance and high system rigidity, SKF super-precision bearings are ideal for machine tools and other precision applications such as rolling mills, racing cars and marine vessels. The bearings also minimize noise, vibration and heat generation.

Bearing Number	Bore Dia	Outer DIa	Width	Size
4.331 Inch \| 110 Millimeter x 5.906 Inch \| 150 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN 2MMC9322WI DUL Precision Ball Bearings	4 mm	3.5 kN	1.5 mm	8.5 mm
3.937 Inch \| 100 Millimeter x 5.512 Inch \| 140 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN 2MMC9320WI QUM Precision Ball Bearings	12 mm	3 mm	24 mm	51 mm
3.937 Inch \| 100 Millimeter x 5.512 Inch \| 140 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN 2MMC9320WI QUL Precision Ball Bearings	40 ～ 60	Single	6904	[Aluminum Alloy] Alu
3.937 Inch \| 100 Millimeter x 5.512 Inch \| 140 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN 2MMC9320WI DUM Precision Ball Bearings	52 mm	75 mm	H2311-31	44.8 kN
3.346 Inch \| 85 Millimeter x 4.724 Inch \| 120 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 2MMC9317WI QUM Precision Ball Bearings	Single Row	32	440C Stainless Steel	3050
3.543 Inch \| 90 Millimeter x 4.921 Inch \| 125 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 2MMC9318WIDUXFS633 Precision Ball Bearings	Quote	Steel	Grade 0	Steel
3.346 Inch \| 85 Millimeter x 4.724 Inch \| 120 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 2MMC9317WI DUM Precision Ball Bearings	110 mm	80 mm	FC207N-	M6x1
3.937 Inch \| 100 Millimeter x 5.512 Inch \| 140 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN 2MMC9320WI DUL Precision Ball Bearings	SH44M	[Others] Cartridge t	Insert Bearing Unit	23300
3.543 Inch \| 90 Millimeter x 4.921 Inch \| 125 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 2MMC9318WI QUM Precision Ball Bearings	Steel	No Inner Wheel	With Outer Ring	6 Days or more
3.543 Inch \| 90 Millimeter x 4.921 Inch \| 125 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 2MMC9318WI DUM Precision Ball Bearings	Grade 0	Class 0	No	75
3.543 Inch \| 90 Millimeter x 4.921 Inch \| 125 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 2MMC9318WI QUL Precision Ball Bearings	19,000 rpm	3.6 kN	2.61 Hz	NTN
3.543 Inch \| 90 Millimeter x 4.921 Inch \| 125 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 2MMC9318WI DUL Precision Ball Bearings	6 kN	52 mm	T4CC030	8.68 Hz