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
1.969 Inch \| 50 Millimeter x 2.835 Inch \| 72 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MM9310WI TUL Precision Ball Bearings	Mounted Units & Inserts	0.0	N/A	0.477
3.15 Inch \| 80 Millimeter x 5.512 Inch \| 140 Millimeter x 1.024 Inch \| 26 Millimeter TIMKEN 3MM216WI SUL Precision Ball Bearings	Ball Bearings	0.0	N/A	0
3.15 Inch \| 80 Millimeter x 5.512 Inch \| 140 Millimeter x 3.071 Inch \| 78 Millimeter TIMKEN 3MM216WI TUL Precision Ball Bearings	Bearings	0.0	N/A	0.122
5.118 Inch \| 130 Millimeter x 7.874 Inch \| 200 Millimeter x 1.299 Inch \| 33 Millimeter TIMKEN 2MM9126WI SUH Precision Ball Bearings	Insert Bearings	0.0	N/A	0.735
3.15 Inch \| 80 Millimeter x 5.512 Inch \| 140 Millimeter x 2.047 Inch \| 52 Millimeter TIMKEN 3MM216WI DUM Precision Ball Bearings	Bearings	0.0	N/A	0.2
2.953 Inch \| 75 Millimeter x 5.118 Inch \| 130 Millimeter x 0.984 Inch \| 25 Millimeter TIMKEN 3MM215WI SUL Precision Ball Bearings	Bearings	0.0	N/A	0.548
2.953 Inch \| 75 Millimeter x 5.118 Inch \| 130 Millimeter x 1.969 Inch \| 50 Millimeter TIMKEN 3MM215WI DUL Precision Ball Bearings	Sleeve Bearings	2.0	N/A	0
1.969 Inch \| 50 Millimeter x 2.835 Inch \| 72 Millimeter x 0.472 Inch \| 12 Millimeter TIMKEN 3MM9310WI SUL Precision Ball Bearings	Bearings	0.0	N/A	0.074
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN 3M205WOP8PRBDBE8350 Precision Ball Bearings	Needle Non Thrust Roller Bearing	2.0	N/A	0.249