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.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.

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.

Bearing Number	Bore Dia	Outer DIa	Width	Size
1.969 Inch \| 50 Millimeter x 3.937 Inch \| 100 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN MM50BS100 DUH Precision Ball Bearings	3 kg	AN 24	HMVC 24E	20.904 mm
1.772 Inch \| 45 Millimeter x 2.953 Inch \| 75 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN MM45BS75PP DUL FS637 Precision Ball Bearings	36.00 mm	59200 N	40.000 mm	7500 rpm
1.772 Inch \| 45 Millimeter x 2.953 Inch \| 75 Millimeter x 2.362 Inch \| 60 Millimeter TIMKEN MM45BS75 QUH Precision Ball Bearings	35 mm	3.65 kN	0.061 kg	0.6 mm
1.772 Inch \| 45 Millimeter x 2.953 Inch \| 75 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN MM45BS75 DUHFS637 Precision Ball Bearings	2.50 mm	150000 N	3800 rpm	168000 N
1.772 Inch \| 45 Millimeter x 2.953 Inch \| 75 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN MM45BS75 DUH Precision Ball Bearings	203.4 N·m	96.838 mm	365.71 g	B10724-117
1.575 Inch \| 40 Millimeter x 3.543 Inch \| 90 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN MM40BS90-20 DUH Precision Ball Bearings	55 mm	8.3 kN	60.7 mm	1.35 mm
1.772 Inch \| 45 Millimeter x 2.953 Inch \| 75 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN MM45BS75 DH Precision Ball Bearings	150 N/mm²	7.7 mm	1 mm	330
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN MM45BS100 DUH Precision Ball Bearings	0.096	3 mm	190 r/min	0.115
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN MM45BS100 QUH Precision Ball Bearings	15.000 mm	42.0000 mm	17000 rpm	20000 rpm
1.575 Inch \| 40 Millimeter x 3.543 Inch \| 90 Millimeter x 3.622 Inch \| 92 Millimeter TIMKEN MM40BS90-23 QUH Precision Ball Bearings	680	BC4.9/W33WI	33500 kN	751 mm
1.575 Inch \| 40 Millimeter x 3.543 Inch \| 90 Millimeter x 1.811 Inch \| 46 Millimeter TIMKEN MM40BS90-23 DUH Precision Ball Bearings	14000 rpm	7100 rpm	27000 N	0.06 in
1.575 Inch \| 40 Millimeter x 3.543 Inch \| 90 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN MM40BS90-20 QUH Precision Ball Bearings	0.35	290 mm	1281 kN	150 mm