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 2.953 Inch \| 75 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN MM45BS75 DUH Precision Ball Bearings	12 mm	2150 lbf	90 mm	1080 lbf
1.575 Inch \| 40 Millimeter x 3.543 Inch \| 90 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN MM40BS90-20 DUH Precision Ball Bearings	1.4375 in	4950 lbf	PBT Thermoplastic	2770 lbf
1.772 Inch \| 45 Millimeter x 2.953 Inch \| 75 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN MM45BS75 DH Precision Ball Bearings	1.1250 in	4410 lbf	3.2500 in	2540 lbf
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN MM45BS100 DUH Precision Ball Bearings	1.3125 in	2150 lbf	3.9375 in	1080 lbf
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN MM45BS100 QUH Precision Ball Bearings	15 mm	2150 lbf	53 mm	1080 lbf
1.575 Inch \| 40 Millimeter x 3.543 Inch \| 90 Millimeter x 3.622 Inch \| 92 Millimeter TIMKEN MM40BS90-23 QUH Precision Ball Bearings	TIMKEN	MM40BS90-23 QUH	1 pcs	Negotiable
1.575 Inch \| 40 Millimeter x 3.543 Inch \| 90 Millimeter x 1.811 Inch \| 46 Millimeter TIMKEN MM40BS90-23 DUH Precision Ball Bearings	1 in	Maximum of +800 °F	1-3/16 in	75000
1.575 Inch \| 40 Millimeter x 3.543 Inch \| 90 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN MM40BS90-20 QUH Precision Ball Bearings	1.4375 in	5820 lbf	3.6250 in	3460 lbf
1.575 Inch \| 40 Millimeter x 3.543 Inch \| 90 Millimeter x 2.362 Inch \| 60 Millimeter TIMKEN MM40BS90 QUH Precision Ball Bearings	3.1875 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
1.5 Inch \| 38.1 Millimeter x 2.835 Inch \| 72.009 Millimeter x 2.5 Inch \| 63.5 Millimeter TIMKEN MM9310WI2H QUH FS737 Precision Ball Bearings	2-1/2 in	Maximum of +800 °F	4-1/4 in	75000
1.5 Inch \| 38.1 Millimeter x 2.835 Inch \| 72.009 Millimeter x 1.25 Inch \| 31.75 Millimeter TIMKEN MM9310WI 2H DUH Precision Ball Bearings	Two-Bolt Base	Uncoated	1.2500 in	1.7500 in
0.939 Inch \| 23.851 Millimeter x 2.441 Inch \| 62.001 Millimeter x 2.5 Inch \| 63.5 Millimeter TIMKEN MM9308WI 2H QUH Precision Ball Bearings	1 in	Maximum of +800 °F	1-1/4 in	75000