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
3.543 Inch \| 90 Millimeter x 5.512 Inch \| 140 Millimeter x 3.78 Inch \| 96 Millimeter TIMKEN 2MMC9118WI QUM Precision Ball Bearings	130 mm	90	32.5 mm	1.44 kg
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN 3MMC9114WI QUL Precision Ball Bearings	35 mm	100 °C	51.1 mm	1.6 kg
2.559 Inch \| 65 Millimeter x 3.937 Inch \| 100 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MMC9113WI DUM Precision Ball Bearings	63 mm	57 mm	17.5 mm	5.5 Nm
3.543 Inch \| 90 Millimeter x 5.512 Inch \| 140 Millimeter x 3.78 Inch \| 96 Millimeter TIMKEN 2MMC9118WIQUA4226 Precision Ball Bearings	5.32 Hz	360 kN	Cylindrical Roller B	4547359124040
3.543 Inch \| 90 Millimeter x 5.512 Inch \| 140 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 2MMC9118WI SUH Precision Ball Bearings	Standard	Rubberized	2 Bolt Pillow Block	Self Centering
2.559 Inch \| 65 Millimeter x 3.937 Inch \| 100 Millimeter x 0.709 Inch \| 18 Millimeter TIMKEN 3MMC9113WI SUL Precision Ball Bearings	150 mm	4 kg	15 mm	16.8 Nm
2.559 Inch \| 65 Millimeter x 3.937 Inch \| 100 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MMC9113WI DUL Precision Ball Bearings	52.2 mm	137 mm	-20 °C	16mm
2.559 Inch \| 65 Millimeter x 3.937 Inch \| 100 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 3MMC9113WI QUL Precision Ball Bearings	110 °C	5.95 Hz	12,000 rpm	57 mm
2.559 Inch \| 65 Millimeter x 3.937 Inch \| 100 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 3MMC9113WI QUH Precision Ball Bearings	C4	3.47 Hz	4.55 kN	-25 °C
2.559 Inch \| 65 Millimeter x 3.937 Inch \| 100 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MMC9113WI DUH Precision Ball Bearings	US201G2T20	31 mm	22 mm	4.78 kN
2.362 Inch \| 60 Millimeter x 3.74 Inch \| 95 Millimeter x 2.126 Inch \| 54 Millimeter TIMKEN 3MMC9112WI TUH Precision Ball Bearings	-20 °C	11,5mm	3.7 Nm	R1/8"
2.362 Inch \| 60 Millimeter x 3.74 Inch \| 95 Millimeter x 2.126 Inch \| 54 Millimeter TIMKEN 3MMC9112WI TUM Precision Ball Bearings	25 mm	3.32 kg	M6x1	19.8 mm