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
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 1.102 Inch \| 28 Millimeter TIMKEN 2MM9122WI SUL Precision Ball Bearings	1.2500 in	3460 lbf	4.1406 in	Contact with Flinger
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 4.409 Inch \| 112 Millimeter TIMKEN 2MM9122WI QUL Precision Ball Bearings	1.7500 in	Set Screw	Two-Bolt Flange	7316577344618
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 4.409 Inch \| 112 Millimeter TIMKEN 2MM9122WI QUH Precision Ball Bearings	35 mm	25500 lbf	80 mm	25000 lbf
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 2.205 Inch \| 56 Millimeter TIMKEN 2MM9122WI DUM Precision Ball Bearings	0.2500 in	Steel	6.5 °	Bronze
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 2.205 Inch \| 56 Millimeter TIMKEN 2MM9122WI DUH Precision Ball Bearings	3.5000 in	39000 lbf	9.5313 in	31500 lbf
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 2.205 Inch \| 56 Millimeter TIMKEN 2MM9122WI DUL Precision Ball Bearings	4.1298 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
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 3.071 Inch \| 78 Millimeter TIMKEN 2MM9121WI TUL Precision Ball Bearings	1.5625 in	1-5/8 in	Round	2-3/8 in
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 3.071 Inch \| 78 Millimeter TIMKEN 2MM9121WI TUH Precision Ball Bearings	0.8750 in	5820 lbf	3.6250 in	3460 lbf
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 1.181 Inch \| 30 Millimeter SKF 7205 CD/P4ADBA Precision Ball Bearings	2.0000 in	2150 lbf	7.2500 in	1080 lbf
1.575 Inch \| 40 Millimeter x 3.15 Inch \| 80 Millimeter x 0.709 Inch \| 18 Millimeter SKF 6208-Z/HC5C3 Precision Ball Bearings	4.3750 in	0.13 in	0.8125 in	Class 2
1.772 Inch \| 45 Millimeter x 3.346 Inch \| 85 Millimeter x 0.748 Inch \| 19 Millimeter SKF 6209 Y/C782 Precision Ball Bearings	1.8750 in	16100 lbf	5.5156 in	10100 lbf
1.772 Inch \| 45 Millimeter x 3.346 Inch \| 85 Millimeter x 0.748 Inch \| 19 Millimeter SKF 6209 TC/C782 Precision Ball Bearings	1-1/4 in	2540 lbf	3-1/2 in	Contact with Slinger