Precision Ball Bearings

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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

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.

Bearing Number	Bore Dia	Outer DIa	Width	Size
2.756 Inch \| 70 Millimeter x 4.921 Inch \| 125 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 2MM214WI DUH Precision Ball Bearings	4.1250 in	0.13 in	0.9375 in	Class 2
2.559 Inch \| 65 Millimeter x 4.724 Inch \| 120 Millimeter x 0.906 Inch \| 23 Millimeter TIMKEN 2MM213WI SUL Precision Ball Bearings	Phenolic Resin	-40 to +212 °F	78 mm	20 N/mm2
1.969 Inch \| 50 Millimeter x 4.331 Inch \| 110 Millimeter x 1.063 Inch \| 27 Millimeter SKF 6310 Y/C78 Precision Ball Bearings	380 mm	-40 to 120 ºC	620 mm	Brass
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 0.984 Inch \| 25 Millimeter SKF 6309-Z/HC5C3 Precision Ball Bearings	3.5000 in	Cast Iron	4.5000 in	Spherical Roller
7.087 Inch \| 180 Millimeter x 9.843 Inch \| 250 Millimeter x 2.598 Inch \| 66 Millimeter SKF 71936 ACD/P4ADGB Precision Ball Bearings	2.5000 in	7190 lbf	Cast Iron - Nickel Protection	PF1-1/2
10.236 Inch \| 260 Millimeter x 14.173 Inch \| 360 Millimeter x 3.622 Inch \| 92 Millimeter SKF 71952 ACD/P4ADGA Precision Ball Bearings	Plain Bearings	0.0	N/A	0.019
8.661 Inch \| 220 Millimeter x 11.811 Inch \| 300 Millimeter x 2.992 Inch \| 76 Millimeter SKF 71944 ACD/P4ADGB Precision Ball Bearings	2.5000 in	Set Screw	Standard Duty	200
7.48 Inch \| 190 Millimeter x 10.236 Inch \| 260 Millimeter x 2.598 Inch \| 66 Millimeter SKF 71938 CD/P4ADGB Precision Ball Bearings	25 mm	50000	35 mm	Static 8000 / Dynamic 2000 (psi)
0.787 Inch \| 20 Millimeter x 1.457 Inch \| 37 Millimeter x 0.709 Inch \| 18 Millimeter SKF 71904 CD/HCP4ADGA Precision Ball Bearings	60 mm	5350 kgf	143 mm	3700 kgf
1.772 Inch \| 45 Millimeter x 2.953 Inch \| 75 Millimeter x 1.26 Inch \| 32 Millimeter SKF 7009 CD/P4ADBA Precision Ball Bearings	1.4375 in	2 in	Round	1-1/4 in
1.969 Inch \| 50 Millimeter x 4.331 Inch \| 110 Millimeter x 1.063 Inch \| 27 Millimeter SKF 6310 Y/C782 Precision Ball Bearings	1.1250 in	4410 lbf	3.5625 in	2540 lbf
1.969 Inch \| 50 Millimeter x 4.331 Inch \| 110 Millimeter x 1.063 Inch \| 27 Millimeter SKF 6310 Y/C783 Precision Ball Bearings	60 mm	2150 lbf	202 mm	1080 lbf