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
2.165 Inch \| 55 Millimeter x 3.937 Inch \| 100 Millimeter x 1.654 Inch \| 42 Millimeter SKF 7211 CD/P4ADGA Precision Ball Bearings	0.6250 in	1000 lb	1.3440 in	Grease
0.591 Inch \| 15 Millimeter x 1.26 Inch \| 32 Millimeter x 0.709 Inch \| 18 Millimeter SKF 7002 CD/P4ADGB Precision Ball Bearings	35 mm	12800 lbf	55 mm	11000 RPM
1.772 Inch \| 45 Millimeter x 2.953 Inch \| 75 Millimeter x 1.26 Inch \| 32 Millimeter SKF 7009 ACD/P4ADGA Precision Ball Bearings	10 mm	5170.61 lbf	14 °	-22 to 248 °F
1.772 Inch \| 45 Millimeter x 3.346 Inch \| 85 Millimeter x 1.496 Inch \| 38 Millimeter SKF 7209 CD/P4ADGA Precision Ball Bearings	0.1900 in	200 lb	.4690 in	Grease
0.472 Inch \| 12 Millimeter x 1.102 Inch \| 28 Millimeter x 0.63 Inch \| 16 Millimeter SKF 7001 CD/P4ADGA Precision Ball Bearings	0.2500 in	5370 lb	8 °	537 lb
2.559 Inch \| 65 Millimeter x 3.543 Inch \| 90 Millimeter x 1.024 Inch \| 26 Millimeter SKF 71913 CD/P4ADGA Precision Ball Bearings	140 mm	No Holes	300 mm	251700
1.969 Inch \| 50 Millimeter x 3.543 Inch \| 90 Millimeter x 1.575 Inch \| 40 Millimeter SKF 7210 CD/P4ADGA Precision Ball Bearings	3.9375 in	Non-Expansion Bearing (Fixed)	6.6300 in	Triple-lip contacting, self-purging nitrile rubber seal
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 2.677 Inch \| 68 Millimeter SKF 7220 CD/P4ADGA Precision Ball Bearings	2.2500 in	Single Lip Contact with Flinger	6.0000 in	250°
3.937 Inch \| 100 Millimeter x 5.906 Inch \| 150 Millimeter x 1.89 Inch \| 48 Millimeter SKF 7020 ACD/P4ADGA Precision Ball Bearings	50 mm	6300 kgf	130.2 mm	3900 kgf
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 2.677 Inch \| 68 Millimeter SKF 7220 ACD/P4ADGA Precision Ball Bearings	0.5000 in	1-1/2 in	Round	7/8 in
2.362 Inch \| 60 Millimeter x 3.346 Inch \| 85 Millimeter x 1.024 Inch \| 26 Millimeter SKF 71912 CD/P4ADGA Precision Ball Bearings	0.6250 in	17300 lb	8 °	1730 lb
3.346 Inch \| 85 Millimeter x 5.118 Inch \| 130 Millimeter x 1.732 Inch \| 44 Millimeter SKF 7017 CD/P4ADGA Precision Ball Bearings	15 mm	29 N/mm2;Static 150 N/mm2	21 mm	Dry 0.50;Periodic lubrication 1.0 m/s