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
1.181 Inch \| 30 Millimeter x 1.85 Inch \| 47 Millimeter x 0.709 Inch \| 18 Millimeter TIMKEN 2MM9306WI DUM Precision Ball Bearings	FC207N-	135 mm	34 mm	31.75 mm
1.181 Inch \| 30 Millimeter x 1.85 Inch \| 47 Millimeter x 1.063 Inch \| 27 Millimeter TIMKEN 2MM9306WI TUH Precision Ball Bearings	0.0	13.3 kN	31 mm	Roller Bearings
1.181 Inch \| 30 Millimeter x 1.85 Inch \| 47 Millimeter x 0.354 Inch \| 9 Millimeter TIMKEN 2MM9306WI SUL Precision Ball Bearings	66 mm	86.5 mm	2.46 mm	25 mm
1.181 Inch \| 30 Millimeter x 1.85 Inch \| 47 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 2MM9306WI QUL Precision Ball Bearings	190 mm	9.2 kg	88.9 mm	43.6 mm
1.181 Inch \| 30 Millimeter x 1.85 Inch \| 47 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 2MM9306WI QUH Precision Ball Bearings	41.25 mm	38.1 mm	57.1 mm	M6x1
1.181 Inch \| 30 Millimeter x 1.85 Inch \| 47 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 2MM9306WI QUM Precision Ball Bearings	55 mm	25 mm	71.3 mm	20.7 mm
1.181 Inch \| 30 Millimeter x 1.85 Inch \| 47 Millimeter x 0.709 Inch \| 18 Millimeter TIMKEN 2MM9306WI DUH Precision Ball Bearings	-40 °C	184 mm	52.5 kN	70 mm
5.512 Inch \| 140 Millimeter x 8.268 Inch \| 210 Millimeter x 1.299 Inch \| 33 Millimeter SKF 6028-RS1/HC5 Precision Ball Bearings	3.52 Hz	31171504	26.5 mm	0.36 kN
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 3.307 Inch \| 84 Millimeter TIMKEN 3MMC9122WI TUM Precision Ball Bearings	Round	Single Lip	Unirex N2	Rogersville, TN
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 1.102 Inch \| 28 Millimeter TIMKEN 2MMC9122WI SUL Precision Ball Bearings	2.7 mm	7.75 kN	10 Hz	NTN
2.165 Inch \| 55 Millimeter x 3.15 Inch \| 80 Millimeter x 1.024 Inch \| 26 Millimeter SKF 71911 CD/P4ADGA Precision Ball Bearings	45 mm	120 mm	235 mm	143 kN
0.591 Inch \| 15 Millimeter x 1.26 Inch \| 32 Millimeter x 0.709 Inch \| 18 Millimeter SKF 7002 CD/P4ADGA Precision Ball Bearings	PG212N-	M16	14.9 mm	4.2 kg