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
3.74 Inch \| 95 Millimeter x 5.709 Inch \| 145 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM9119WI DUL Precision Ball Bearings	Bearings	0.0	N/A	0
3.74 Inch \| 95 Millimeter x 5.709 Inch \| 145 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM9119WI DUH Precision Ball Bearings	Sleeve Bearings	37.0	N/A	0
3.543 Inch \| 90 Millimeter x 5.512 Inch \| 140 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 3MM9118WI TUL Precision Ball Bearings	Bearings	0.0	N/A	0.01
3.543 Inch \| 90 Millimeter x 5.512 Inch \| 140 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 3MM9118WI TUH Precision Ball Bearings	Bearings	0.0	N/A	0.056
7.874 Inch \| 200 Millimeter x 12.205 Inch \| 310 Millimeter x 8.031 Inch \| 204 Millimeter TIMKEN 2MM9140WI QUH Precision Ball Bearings	Bearings	0.0	N/A	5.76
7.874 Inch \| 200 Millimeter x 12.205 Inch \| 310 Millimeter x 4.016 Inch \| 102 Millimeter TIMKEN 2MM9140WI DUL Precision Ball Bearings	Flange Block	0.0	N/A	10.442
3.543 Inch \| 90 Millimeter x 5.512 Inch \| 140 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 3MM9118WITULFS637 Precision Ball Bearings	Mounted Units & Inserts	0.0	N/A	0.504
3.543 Inch \| 90 Millimeter x 5.512 Inch \| 140 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 3MM9118WI TUM Precision Ball Bearings	Cam Followers Stud Type	0.0	N/A	0
3.543 Inch \| 90 Millimeter x 5.512 Inch \| 140 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 3MM9118WI SUM Precision Ball Bearings	Sleeve Bearings	20.0	N/A	0
5.512 Inch \| 140 Millimeter x 8.268 Inch \| 210 Millimeter x 5.197 Inch \| 132 Millimeter TIMKEN 2MM9128WI QUM Precision Ball Bearings	Precision Ball Bearings	0.0	N/A	1.76
2.165 Inch \| 55 Millimeter x 4.724 Inch \| 120 Millimeter x 2.283 Inch \| 58 Millimeter TIMKEN 3MM311WI DUM Precision Ball Bearings	Cam Followers Stud Type	0.0	N/A	0
1.378 Inch \| 35 Millimeter x 3.15 Inch \| 80 Millimeter x 1.654 Inch \| 42 Millimeter TIMKEN 3MM307WI DUL US2 Precision Ball Bearings	Sleeve Bearings	3.0	N/A	0