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.Oligh rotational speed.Minimum friction and heat generation.Controlled rigidity

Bearing Number	Bore Dia	Outer DIa	Width	Size
2.362 Inch \| 60 Millimeter x 5.118 Inch \| 130 Millimeter x 2.441 Inch \| 62 Millimeter TIMKEN 2MM312WI DUL Precision Ball Bearings	15.5000 in	Double Cup	0.5000 in	0.32 lbs
2.165 Inch \| 55 Millimeter x 4.724 Inch \| 120 Millimeter x 2.283 Inch \| 58 Millimeter TIMKEN 2MM311WI DUL Precision Ball Bearings	6052rs-timken	Standard	14mm	Steel
1.969 Inch \| 50 Millimeter x 4.331 Inch \| 110 Millimeter x 2.126 Inch \| 54 Millimeter TIMKEN 2MM310WI DUM Precision Ball Bearings	3.4770 in	Labyrinth	2.4150 in	Ambient
1.969 Inch \| 50 Millimeter x 4.331 Inch \| 110 Millimeter x 2.126 Inch \| 54 Millimeter TIMKEN 2MM310WI DUL Precision Ball Bearings	ABMA	110 mm	ABEC 1 (ISO Cla	Uncoated
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 0.984 Inch \| 25 Millimeter TIMKEN 2MM309WI SUM Precision Ball Bearings	Cone & Cup	Steel	2.0000 in	21.0000 in
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 1.969 Inch \| 50 Millimeter TIMKEN 2MM309WI DUM Precision Ball Bearings	1050 r/min	113.817 mm	793.8 g	4 x 3/4-10 UNC
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 1.969 Inch \| 50 Millimeter TIMKEN 2MM309WI DUL Precision Ball Bearings	Steel	Machined Bearing wit	Open	63 mm
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 1.969 Inch \| 50 Millimeter TIMKEN 2MM309WI DUH Precision Ball Bearings	In Stock	Open Type	15mm	Plastic
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 0.984 Inch \| 25 Millimeter TIMKEN 2MM309WI Precision Ball Bearings	Not for Ball Screws	55 mm	ABEC 9/7 (	1 mm
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 2.677 Inch \| 68 Millimeter TIMKEN 3MM220WI DUL Precision Ball Bearings	11.582 mm	S 6x15/16	W 06	34.112 mm
4.331 Inch \| 110 Millimeter x 7.874 Inch \| 200 Millimeter x 1.496 Inch \| 38 Millimeter TIMKEN 3MM222WI SUL Precision Ball Bearings	3300 RPM	3-1/2 in	46800 lbf	2-7/16 in
4.331 Inch \| 110 Millimeter x 7.874 Inch \| 200 Millimeter x 2.992 Inch \| 76 Millimeter TIMKEN 3MM222WI DUM Precision Ball Bearings	707353	NP	1.6875 in	Lubrication Fitting