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.Oligh rotational speed.Minimum friction and heat generation.Controlled rigidity

Bearing Number	Bore Dia	Outer DIa	Width	Size
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 1.339 Inch \| 34 Millimeter TIMKEN 3MM220WI SUM Precision Ball Bearings	Cast Iron	3.8750 to 4.3750 in	1.5000 in	Normal Duty
2.165 Inch \| 55 Millimeter x 3.15 Inch \| 80 Millimeter x 1.024 Inch \| 26 Millimeter TIMKEN 3MM9311WI DUM Precision Ball Bearings	Open	Radial	2.062 in	-60 to +500 &de
4.331 Inch \| 110 Millimeter x 7.874 Inch \| 200 Millimeter x 2.992 Inch \| 76 Millimeter TIMKEN 3MM222WI DUH Precision Ball Bearings	Labyrinth	13.5000 in	066593	Taper Roller
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 2.677 Inch \| 68 Millimeter TIMKEN 3MM220WI DUM Precision Ball Bearings	1930 kN	490 kN	K 89417 M	58 mm
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 1.339 Inch \| 34 Millimeter TIMKEN 3MM220WI SUL Precision Ball Bearings	Not Rated	9.1 mm	2110 lbf	Closed Ends
4.331 Inch \| 110 Millimeter x 7.874 Inch \| 200 Millimeter x 2.992 Inch \| 76 Millimeter TIMKEN 3MM222WI DUL Precision Ball Bearings	Two-Bolt Base	2.1875 in	Click here	Contact with Slinger
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 3.78 Inch \| 96 Millimeter TIMKEN 3MM219WI TUL Precision Ball Bearings	3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 3.78 Inch \| 96 Millimeter	-	-	-
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 1.26 Inch \| 32 Millimeter TIMKEN 3MM219WI SUM Precision Ball Bearings	12.4	Light	9	12mm
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 1.26 Inch \| 32 Millimeter TIMKEN 3MM219WI SUL Precision Ball Bearings	15 °	C0	2000 RPM	Open
2.165 Inch \| 55 Millimeter x 3.15 Inch \| 80 Millimeter x 1.024 Inch \| 26 Millimeter TIMKEN 3MM9311WI DUL Precision Ball Bearings	Open	CD23	RBEC 1 (ISO Cla	Brass
5.118 Inch \| 130 Millimeter x 7.874 Inch \| 200 Millimeter x 3.898 Inch \| 99 Millimeter TIMKEN 2MM9126WI TUH Precision Ball Bearings	Taper Roller	9.2500 in	Labyrinth	Cast Iron
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 2.52 Inch \| 64 Millimeter TIMKEN 3MM219WI DUM Precision Ball Bearings	In Stock	Open Type	7010cd/p4adgb-skf	16mm