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
0.787 Inch \| 20 Millimeter x 1.85 Inch \| 47 Millimeter x 0.551 Inch \| 14 Millimeter TIMKEN 3MM204WI SUL Precision Ball Bearings	511 mm	611 mm	657 mm	3690 kN
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN 3MM205WI DUH Precision Ball Bearings	LOR 37	12 kN	N 13	31.75 mm
0.787 Inch \| 20 Millimeter x 1.85 Inch \| 47 Millimeter x 0.551 Inch \| 14 Millimeter TIMKEN 3MM204WI SUM Precision Ball Bearings	400.05 mm	2	0.33	TQO/GWI
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 0.591 Inch \| 15 Millimeter TIMKEN 3MM205WI Precision Ball Bearings	12.3 mm	30 mm	26.6 mm	12.7 kN
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM9309WI QUL Precision Ball Bearings	38.1 mm	106.362 mm	2 x LER 16	149.1 N·m
0.669 Inch \| 17 Millimeter x 1.575 Inch \| 40 Millimeter x 0.472 Inch \| 12 Millimeter TIMKEN 3MM203WI SUM Precision Ball Bearings	1.00 mm	640000 N	255000 N	240.0000 mm
0.669 Inch \| 17 Millimeter x 1.575 Inch \| 40 Millimeter x 0.472 Inch \| 12 Millimeter TIMKEN 3MM203WI SUL Precision Ball Bearings	25 N/mm²	45 N/mm²	10 mm	12 mm
0.787 Inch \| 20 Millimeter x 1.85 Inch \| 47 Millimeter x 1.102 Inch \| 28 Millimeter TIMKEN 3MM204WI DUM Precision Ball Bearings	7000 rpm	44000 N	52700 N	110.0000 mm
0.669 Inch \| 17 Millimeter x 1.575 Inch \| 40 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 3MM203WI DUM Precision Ball Bearings	90.0000 mm	1.00 mm	55.000 mm	29600 N
0.669 Inch \| 17 Millimeter x 1.575 Inch \| 40 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 3MM203WI DUL Precision Ball Bearings	6550 N	18000 rpm	15000 rpm	14.00 mm
4.724 Inch \| 120 Millimeter x 7.087 Inch \| 180 Millimeter x 2.205 Inch \| 56 Millimeter TIMKEN 2MM9124WIDULFS637 Precision Ball Bearings	0.098	9 mm	75 mm	107 mm
0.669 Inch \| 17 Millimeter x 1.575 Inch \| 40 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 3MM203WI DUH Precision Ball Bearings	580 kN	45 mm	140 mm	34 mm