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 3.346 Inch \| 85 Millimeter x 1.496 Inch \| 38 Millimeter TIMKEN 3MM209WI DUM Precision Ball Bearings	M 60x2	KMK	80 mm	Steel
1.772 Inch \| 45 Millimeter x 3.346 Inch \| 85 Millimeter x 1.496 Inch \| 38 Millimeter TIMKEN 3MM209WI DUL Precision Ball Bearings	0.1900 in	200 lb	.4690 in	Grease
1.772 Inch \| 45 Millimeter x 3.346 Inch \| 85 Millimeter x 1.496 Inch \| 38 Millimeter TIMKEN 3MM209WI DUH Precision Ball Bearings	17 mm	1310 kgf	64 mm	680 kgf
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MM9309WI TUL Precision Ball Bearings	0.6250 in	17300 lb	8 °	1730 lb
1.575 Inch \| 40 Millimeter x 3.15 Inch \| 80 Millimeter x 2.126 Inch \| 54 Millimeter TIMKEN 3MM208WI TUM Precision Ball Bearings	3-1/2 in	Powder Coated	Spherical Roller	82000 lb
1.575 Inch \| 40 Millimeter x 3.15 Inch \| 80 Millimeter x 0.709 Inch \| 18 Millimeter TIMKEN 3MM208WI SUM Precision Ball Bearings	2.2500 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
1.575 Inch \| 40 Millimeter x 3.15 Inch \| 80 Millimeter x 0.709 Inch \| 18 Millimeter TIMKEN 3MM208WI SUL Precision Ball Bearings	1.1250 in	4410 lbf	3.5625 in	2540 lbf
1.575 Inch \| 40 Millimeter x 3.15 Inch \| 80 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MM208WI DUM Precision Ball Bearings	0.5000 in	13500 lb	6 °	1350 lb
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MM9309WI TUH Precision Ball Bearings	0.5000 in	2150 lbf	2.5000 in	1080 lbf
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 1.339 Inch \| 34 Millimeter TIMKEN 3MM207WI DUM Precision Ball Bearings	2.1250 in	9700 lbf	3.9370 in	6610 lbf
1.575 Inch \| 40 Millimeter x 3.15 Inch \| 80 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MM208WI DUL Precision Ball Bearings	1/2 in	+10 to +220 °F	11/16 in	50000
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 2.677 Inch \| 68 Millimeter TIMKEN 3MM207WI QUM Precision Ball Bearings	0.5625 in	Hex	0.3750 in	1/4-28