Precision Ball Bearings

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Super Precision Bearings are designed to meet demanding needs of special applications including high accuracy, high rotational speed and high rigidity. Optimal materials and internal design, give super precision bearings the highest level of accuracy. NSK offers several types of super precision bearing, including the ROBUST series.

Product Features and Benefits:Optimum design - Achieved by computer simulation of temperature rise resulting from ball skid.Long life - Range of material specification including high quality ultra clean steel, extra pure and advanced material SHX patented by NSK. High accuracy - Rolling elements with precision class P2 series available in standard steel and ceramic material. Low Noise - Quieter running high-speed spindle featuring Spinshot II Lubrication System. Extension range of cage material options, available in high speed design including - brass, engineered polymer and phenolic. Optional seals available within the standard ISO envelope. High rotational speed. Minimum friction and heat generation.Controlled rigidity

Bearing Number	Bore Dia	Outer DIa	Width	Size
1.378 Inch \| 35 Millimeter x 3.15 Inch \| 80 Millimeter x 1.654 Inch \| 42 Millimeter TIMKEN 3MM307WI DUH Precision Ball Bearings	Sleeve Bearings	2.0	N/A	0
5.512 Inch \| 140 Millimeter x 8.268 Inch \| 210 Millimeter x 2.598 Inch \| 66 Millimeter TIMKEN 2MM9128WI DUL Precision Ball Bearings	Plain Bearing Spherical Rod Ends	0.0	N/A	0.14
5.118 Inch \| 130 Millimeter x 7.874 Inch \| 200 Millimeter x 3.898 Inch \| 99 Millimeter TIMKEN 2MM9126WI TUM Precision Ball Bearings	Bearings	0.0	N/A	0
0.984 Inch \| 25 Millimeter x 2.441 Inch \| 62 Millimeter x 1.339 Inch \| 34 Millimeter TIMKEN 3MM305WI DUM Precision Ball Bearings	Angular Contact Ball Bearing	0.0	N/A	0.168
2.165 Inch \| 55 Millimeter x 3.15 Inch \| 80 Millimeter x 0.512 Inch \| 13 Millimeter TIMKEN 3MM9311WI SUL Precision Ball Bearings	Mounted Units & Inserts	0.0	N/A	2.887
0.591 Inch \| 15 Millimeter x 1.654 Inch \| 42 Millimeter x 1.024 Inch \| 26 Millimeter TIMKEN 3MM302WI DUH Precision Ball Bearings	Bearings	0.0	N/A	0.003
0.984 Inch \| 25 Millimeter x 2.441 Inch \| 62 Millimeter x 1.339 Inch \| 34 Millimeter TIMKEN 3MM305WI DUL Precision Ball Bearings	Single Row Ball Bearing	0.0	N/A	0.85
0.472 Inch \| 12 Millimeter x 1.457 Inch \| 37 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 3MM301WI DUM Precision Ball Bearings	Cylindrical Roller Bearing	0.0	N/A	1.75
0.472 Inch \| 12 Millimeter x 1.457 Inch \| 37 Millimeter x 0.472 Inch \| 12 Millimeter TIMKEN 3MM301WI Precision Ball Bearings	Ball Bearings	377.0	N/A	31171504
2.165 Inch \| 55 Millimeter x 3.15 Inch \| 80 Millimeter x 2.047 Inch \| 52 Millimeter TIMKEN 3MM9311WI QUM Precision Ball Bearings	Bearings	0.0	N/A	0
5.906 Inch \| 150 Millimeter x 10.63 Inch \| 270 Millimeter x 5.315 Inch \| 135 Millimeter TIMKEN 3MM230WI TUL Precision Ball Bearings	Bearings	0.0	N/A	0.3
5.118 Inch \| 130 Millimeter x 9.055 Inch \| 230 Millimeter x 6.299 Inch \| 160 Millimeter TIMKEN 3MM226WI3MBR QUM Precision Ball Bearings	Bearings	0.0	N/A	0.072