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
6.693 Inch \| 170 Millimeter x 10.236 Inch \| 260 Millimeter x 1.654 Inch \| 42 Millimeter TIMKEN 2MM9134WI SUM Precision Ball Bearings	QAP	Spherical Roller	7.7550 in	1.3800 in
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN 3MM9114WI QUL Precision Ball Bearings	0.2812 in	Two Non-Contact Seal	Round	029176020087
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 2.362 Inch \| 60 Millimeter TIMKEN 3MM9114WI TMFS637 Precision Ball Bearings	222 kN	1/4 NPT	4.763 mm	2467.6 N·m
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN 3MM9114WI QUM Precision Ball Bearings	2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 3.15 Inch \| 80 Millimeter	-	-	-
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 0.787 Inch \| 20 Millimeter TIMKEN 3MM9114WI SUM Precision Ball Bearings	Open	80 mm	Pressed Steel	1
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 0.787 Inch \| 20 Millimeter TIMKEN 3MM9114WI SUH Precision Ball Bearings	Maximum of +250	1-1/4 in	3 in	1-5/8 in
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 0.787 Inch \| 20 Millimeter TIMKEN 3MM9114WI SUL Precision Ball Bearings	121.61 mm	9.5 mm	109.5 mm	0.8
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN 3MM9114WI DUM Precision Ball Bearings	1.9375 in	Stainless Steel	Round	4.5000 in
6.693 Inch \| 170 Millimeter x 10.236 Inch \| 260 Millimeter x 1.654 Inch \| 42 Millimeter TIMKEN 2MM9134WI SUH Precision Ball Bearings	UL, AFBMA, AGMA, ASM	68.8 mm	205	43.2 mm
6.693 Inch \| 170 Millimeter x 10.236 Inch \| 260 Millimeter x 1.654 Inch \| 42 Millimeter TIMKEN 2MM9134WI SUL Precision Ball Bearings	3.937 in	4450 RPM	1-3/4 in	3-1/8 in
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN 3MM9114WI QUH Precision Ball Bearings	8.3800 in	9.5000 in	Click here	6.7200 in
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN 3MM9114WI DUL Precision Ball Bearings	8487900040.US	Guardian® Small	Labyrinth	29607-4926