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
2.362 Inch \| 60 Millimeter x 4.331 Inch \| 110 Millimeter x 1.732 Inch \| 44 Millimeter TIMKEN 3MM212WI DUM Precision Ball Bearings	1.1250 in	2150 lbf	4.6094 in	1080 lbf
2.559 Inch \| 65 Millimeter x 4.724 Inch \| 120 Millimeter x 1.811 Inch \| 46 Millimeter TIMKEN 3MM213WI DUL Precision Ball Bearings	1.4375 in	2150 lbf	5.1250 in	1080 lbf
5.118 Inch \| 130 Millimeter x 7.874 Inch \| 200 Millimeter x 5.197 Inch \| 132 Millimeter TIMKEN 2MM9126WI QUH Precision Ball Bearings	Straight	Uncoated	C0	Open
2.362 Inch \| 60 Millimeter x 4.331 Inch \| 110 Millimeter x 1.732 Inch \| 44 Millimeter TIMKEN 3MM212WI DUH Precision Ball Bearings	5.3125 in	Cast Iron	6.0000 in	Spherical Roller
2.165 Inch \| 55 Millimeter x 3.937 Inch \| 100 Millimeter x 0.827 Inch \| 21 Millimeter TIMKEN 3MM211WI SUM Precision Ball Bearings	85 mm	2150 lbf	300 mm	1080 lbf
1.969 Inch \| 50 Millimeter x 2.835 Inch \| 72 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 3MM9310WI DUM Precision Ball Bearings	60 mm	2.9100 in	10.8300 in	Non-Expansion Bearing (Fixed)
2.165 Inch \| 55 Millimeter x 3.937 Inch \| 100 Millimeter x 2.48 Inch \| 63 Millimeter TIMKEN 3MM211WI TUL Precision Ball Bearings	0.4375 in	650 lb	.9060 in	Grease
2.165 Inch \| 55 Millimeter x 3.937 Inch \| 100 Millimeter x 0.827 Inch \| 21 Millimeter TIMKEN 3MM211WI SUL Precision Ball Bearings	2.2500 in	Powder Coat	Spherical Roller	Triple-lip contacting, self-purging nitrile rubber seal
2.165 Inch \| 55 Millimeter x 3.937 Inch \| 100 Millimeter x 1.654 Inch \| 42 Millimeter TIMKEN 3MM211WI DUM Precision Ball Bearings	1 in	Maximum of +800 °F	1-3/16 in	75000
2.165 Inch \| 55 Millimeter x 3.937 Inch \| 100 Millimeter x 1.654 Inch \| 42 Millimeter TIMKEN 3MM211WI DUL Precision Ball Bearings	0.9375 in	3150 lbf	2.7500 in	1780 lbf
5.118 Inch \| 130 Millimeter x 7.874 Inch \| 200 Millimeter x 2.598 Inch \| 66 Millimeter TIMKEN 2MM9126WI DUM Precision Ball Bearings	1.7500 in	3690 lbf	5.1250 in	Contact with Flinger
2.165 Inch \| 55 Millimeter x 3.937 Inch \| 100 Millimeter x 1.654 Inch \| 42 Millimeter TIMKEN 3MM211WI DUH Precision Ball Bearings	1.5000 in	4.02 in	Round	-