Precision Ball Bearings

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Precision balls are used in critical aeronautical bearings, guidance system balls for space and military applications, precision valves, automotive bearings and other applications where higher precision is necessary. Precision balls are defined by grade: The lower the number of the grade, the more precision to which the ball is manufactured.

Precision ball bearings are used for high precision applications in a variety of markets, including aerospace, health, machine tool, robotics and general industry.Ball bearings with shields or seals for protection can be lubricated to last for the operating life. Sometimes ball bearings are also called “deep groove ball bearings.

Bearing Number	Bore Dia	Outer DIa	Width	Size
2.362 Inch \| 60 Millimeter x 3.74 Inch \| 95 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MMC9112WI DUH Precision Ball Bearings	95 mm	15.5 mm	12.7 mm	42 mm
2.165 Inch \| 55 Millimeter x 3.543 Inch \| 90 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MMC9111WI DUL Precision Ball Bearings	16.8 Nm	55.6 mm	100 °C	110 mm
3.346 Inch \| 85 Millimeter x 5.118 Inch \| 130 Millimeter x 2.598 Inch \| 66 Millimeter TIMKEN 2MMC9117WI TUL Precision Ball Bearings	13,000 rpm	96.5 mm	0.5 mm	51.9 mm
3.543 Inch \| 90 Millimeter x 5.512 Inch \| 140 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 2MMC9118WI DUH Precision Ball Bearings	UC212-36G2T04	44 mm	SCC212	120 mm
3.346 Inch \| 85 Millimeter x 5.118 Inch \| 130 Millimeter x 0.866 Inch \| 22 Millimeter TIMKEN 2MMC9117WI SUM Precision Ball Bearings	0.6 mm	4.39 Hz	19 mm	NTN
3.346 Inch \| 85 Millimeter x 5.118 Inch \| 130 Millimeter x 2.598 Inch \| 66 Millimeter TIMKEN 2MMC9117WI TUH Precision Ball Bearings	38.1 mm	-20 °C	16.8 Nm	UC308-24G2
1.969 Inch \| 50 Millimeter x 3.15 Inch \| 80 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MMC9110WI TUL Precision Ball Bearings	Steel	Baldor-Dodge	SPLIT	2 Bolt Pillow Block
1.969 Inch \| 50 Millimeter x 3.15 Inch \| 80 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MMC9110WI TUM Precision Ball Bearings	9mm	PP203-	22 mm	6 mm
3.346 Inch \| 85 Millimeter x 5.118 Inch \| 130 Millimeter x 0.866 Inch \| 22 Millimeter TIMKEN 2MMC9117WI SUL Precision Ball Bearings	93 mm	47.6 mm	25.7 kN	200 °C
1.969 Inch \| 50 Millimeter x 3.15 Inch \| 80 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MMC9110WI TUH Precision Ball Bearings	UC207-23G2L4	91.5 mm	100 °C	25.7 kN
3.346 Inch \| 85 Millimeter x 5.118 Inch \| 130 Millimeter x 0.866 Inch \| 22 Millimeter TIMKEN 2MMC9117WI SUH Precision Ball Bearings	15.88 mm	6 mm	3.2 Nm	0.58 kg
3.346 Inch \| 85 Millimeter x 5.118 Inch \| 130 Millimeter x 3.465 Inch \| 88 Millimeter TIMKEN 2MMC9117WI QUM Precision Ball Bearings	47.5 mm	52 mm	15 mm	0.48 kN