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
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM9309WI QUL Precision Ball Bearings	1.3750 in	3.6250 in	PTFE	0.7500 in
0.669 Inch \| 17 Millimeter x 1.575 Inch \| 40 Millimeter x 0.472 Inch \| 12 Millimeter TIMKEN 3MM203WI SUM Precision Ball Bearings	3.5429 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	8487900040.US
0.669 Inch \| 17 Millimeter x 1.575 Inch \| 40 Millimeter x 0.472 Inch \| 12 Millimeter TIMKEN 3MM203WI SUL Precision Ball Bearings	60 mm	PTFE Fabric	6 °	485000 N
0.787 Inch \| 20 Millimeter x 1.85 Inch \| 47 Millimeter x 1.102 Inch \| 28 Millimeter TIMKEN 3MM204WI DUM Precision Ball Bearings	Dust Collar	0053893335995	Click here	-
0.669 Inch \| 17 Millimeter x 1.575 Inch \| 40 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 3MM203WI DUM Precision Ball Bearings	6.1250 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	8487900040.US
0.669 Inch \| 17 Millimeter x 1.575 Inch \| 40 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 3MM203WI DUL Precision Ball Bearings	12 mm	2150 lbf	63.5 mm	1080 lbf
4.724 Inch \| 120 Millimeter x 7.087 Inch \| 180 Millimeter x 2.205 Inch \| 56 Millimeter TIMKEN 2MM9124WIDULFS637 Precision Ball Bearings	2.7500 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	8487900040.US
0.669 Inch \| 17 Millimeter x 1.575 Inch \| 40 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 3MM203WI DUH Precision Ball Bearings	1.2500 in	2150 lbf	4.6094 in	1080 lbf
0.591 Inch \| 15 Millimeter x 1.378 Inch \| 35 Millimeter x 0.433 Inch \| 11 Millimeter TIMKEN 3MM202WI SUM Precision Ball Bearings	1.3750 in	2150 lbf	5.1250 in	1080 lbf
0.591 Inch \| 15 Millimeter x 1.378 Inch \| 35 Millimeter x 0.433 Inch \| 11 Millimeter TIMKEN 3MM202WI SUL Precision Ball Bearings	1.3750 in	4-59/64 in	2.4375 in	4-1/64 in
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM9309WI QUH Precision Ball Bearings	480 mm	-40 to 120 ºC	700 mm	Brass
0.591 Inch \| 15 Millimeter x 1.378 Inch \| 35 Millimeter x 0.866 Inch \| 22 Millimeter TIMKEN 3MM202WI DUM Precision Ball Bearings	2.5000 in	12900 lbf	4.7244 in	9000 lbf