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
1.181 Inch \| 30 Millimeter x 2.441 Inch \| 62 Millimeter x 1.26 Inch \| 32 Millimeter TIMKEN 3MM206WI DUM Precision Ball Bearings	3.2500 in	Exceptional Bearing Protection, Rotating Applications, Pumps, Gearboxes, Motors, Energy Efficient Applications, Primary Metals Industry, Steel Industry, Aluminum Industry, Pulp and Paper Industry, Che	Labyrinth	3926904590.US
1.181 Inch \| 30 Millimeter x 2.441 Inch \| 62 Millimeter x 1.26 Inch \| 32 Millimeter TIMKEN 3MM206WI DUH Precision Ball Bearings	1.3125 in	5820 lbf	3.9375 in	3460 lbf
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM9309WI QULFS934 Precision Ball Bearings	1.1250 in	2150 lbf	4.6094 in	1080 lbf
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 1.772 Inch \| 45 Millimeter TIMKEN 3MM205WI TUM Precision Ball Bearings	1.5000 in	2150 lbf	5.6719 in	1080 lbf
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN 3MM205WI DUHFS637 Precision Ball Bearings	2.6875 in	19138, 19143, 19150	0.4688 in	Class 2
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 0.591 Inch \| 15 Millimeter TIMKEN 3MM205WI SUM Precision Ball Bearings	0.8750 in	3150 lbf	3.0000 in	1780 lbf
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN 3MM205WI DUL Precision Ball Bearings	1.3750 in	5-5/64 in	2.5000 in	4-1/64 in
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 0.591 Inch \| 15 Millimeter TIMKEN 3MM205WI SUL Precision Ball Bearings	75 mm	11600 kgf	184.1 mm	7840 kgf
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN 3MM205WI DUM Precision Ball Bearings	3.4375 in	2.7830 in	6.0000 in	Non-Expansion Bearing (Fixed)
0.787 Inch \| 20 Millimeter x 1.85 Inch \| 47 Millimeter x 0.551 Inch \| 14 Millimeter TIMKEN 3MM204WI SUL Precision Ball Bearings	1.3750 in	2150 lbf	5.1250 in	1080 lbf
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN 3MM205WI DUH Precision Ball Bearings	Outer Ring	Steel	3.8750 in	Complete Assembly D21262, Inner Ring E21262, Roller Assembly WS21262 (2)Complete Assembly D21262 Inner Ring E21262 Roller Assembly WS21262 (2)
0.787 Inch \| 20 Millimeter x 1.85 Inch \| 47 Millimeter x 0.551 Inch \| 14 Millimeter TIMKEN 3MM204WI SUM Precision Ball Bearings	1.8750 in	4180 lbf	Cast Iron - Nickel Protection	PF1