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 MM9122K Precision Ball Bearings	2.0000 in	2.4400 in	8.3800 in	Expansion Bearing (Floating)
1.625 Inch \| 41.275 Millimeter x 3.438 Inch \| 87.325 Millimeter x 1.625 Inch \| 41.275 Millimeter TIMKEN MM90EX 150 DU C1 Precision Ball Bearings	TIMKEN	MM90EX 150 DU C1	1 pcs	Negotiable
2.559 Inch \| 65 Millimeter x 3.937 Inch \| 100 Millimeter x 0.709 Inch \| 18 Millimeter TIMKEN MM9113K Precision Ball Bearings	6.2500 in	52100 Bearing Steel	Outer Ring	Max 300 °F
1.625 Inch \| 41.275 Millimeter x 3.438 Inch \| 87.325 Millimeter x 1.625 Inch \| 41.275 Millimeter TIMKEN MM90EX 250 DU C1 Precision Ball Bearings	Two-Bolt Base	1-13/64 in	0.6875 in	2150 lbf
1.625 Inch \| 41.275 Millimeter x 3.438 Inch \| 87.325 Millimeter x 1.625 Inch \| 41.275 Millimeter TIMKEN MM90EX 100 DU C1 Precision Ball Bearings	25 mm	39200 N	42 mm	15600 N
1.625 Inch \| 41.275 Millimeter x 3.438 Inch \| 87.325 Millimeter x 1.625 Inch \| 41.275 Millimeter TIMKEN MM90EX 20 DU C1 Precision Ball Bearings	80 mm	86.5 kN	170 mm	Uncoated
2.953 Inch \| 75 Millimeter x 4.331 Inch \| 110 Millimeter x 2.362 Inch \| 60 Millimeter TIMKEN MM75BS110 QUH Precision Ball Bearings	1.6875 in	7420 lbf	3.3465 in	4610 lbf
2.953 Inch \| 75 Millimeter x 4.331 Inch \| 110 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN MM75BS110 DUH Precision Ball Bearings	1.4375 in	2150 lbf	5.1250 in	1080 lbf
1.25 Inch \| 31.75 Millimeter x 2.438 Inch \| 61.925 Millimeter x 1.25 Inch \| 31.75 Millimeter TIMKEN MM67EX DUC1 FS223 Precision Ball Bearings	4.1875 in	3.9370 in	9.0000 in	Non-Expansion Bearing (Fixed)
1.25 Inch \| 31.75 Millimeter x 2.438 Inch \| 61.925 Millimeter x 1.25 Inch \| 31.75 Millimeter TIMKEN MM67EX 75 DU C1 Precision Ball Bearings	1.9375 in	Single Lip Contact with Flinger	5.1250 in	250°
1.25 Inch \| 31.75 Millimeter x 2.438 Inch \| 61.925 Millimeter x 1.25 Inch \| 31.75 Millimeter TIMKEN MM67EX 30DUC1 Precision Ball Bearings	1.5000 in	3210 lbf	4.3750 in	Contact with Flinger
2.165 Inch \| 55 Millimeter x 3.543 Inch \| 90 Millimeter x 2.362 Inch \| 60 Millimeter TIMKEN MM55BS90 QUH Precision Ball Bearings	1.5000 in	2150 lbf	5.6719 in	1080 lbf