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
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 1.772 Inch \| 45 Millimeter TIMKEN MM35BS72 TH FS737 Precision Ball Bearings	Double-Row Filling Slot	-	-	-
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 1.181 Inch \| 30 Millimeter TIMKEN MM35BS72 DUH Precision Ball Bearings	2.7500 in	27650 lbf	6.6929 in	19400 lbf
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 2.362 Inch \| 60 Millimeter TIMKEN MM35BS72 QUH Precision Ball Bearings	546 mm	40000 mm²	72 mm	50 kg
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 2.362 Inch \| 60 Millimeter TIMKEN MM35BS72 QUM Precision Ball Bearings	0.8750 in	Sealed	0.5000 in	Slotted
1.378 Inch \| 35 Millimeter x 3.937 Inch \| 100 Millimeter x 1.575 Inch \| 40 Millimeter TIMKEN MM35BS100 DUH Precision Ball Bearings	7.9375 in	Steel	9.5000 in	Spherical Roller
1.378 Inch \| 35 Millimeter x 3.937 Inch \| 100 Millimeter x 3.15 Inch \| 80 Millimeter TIMKEN MM35BS100 QUH Precision Ball Bearings	1.5000 in	9150 lbf	4.1250 in	5380 lbf
2.756 Inch \| 70 Millimeter x 5.906 Inch \| 150 Millimeter x 1.378 Inch \| 35 Millimeter TIMKEN MM314K Precision Ball Bearings	2.0000 in	3-3/16 in	8.1250 in	Expansion Bearing (Floating)
2.559 Inch \| 65 Millimeter x 5.512 Inch \| 140 Millimeter x 1.299 Inch \| 33 Millimeter TIMKEN MM313K Precision Ball Bearings	25 mm	640 kgf	90 mm	Contact with Flinger
2.362 Inch \| 60 Millimeter x 5.118 Inch \| 130 Millimeter x 1.22 Inch \| 31 Millimeter TIMKEN MM312K Precision Ball Bearings	85 mm	Double Shielded	150 mm	C3
1.969 Inch \| 50 Millimeter x 4.331 Inch \| 110 Millimeter x 1.063 Inch \| 27 Millimeter TIMKEN MM310K Precision Ball Bearings	1-1/2 in	Labyrinth	2.0000 in	2-29/32 in
2.165 Inch \| 55 Millimeter x 4.724 Inch \| 120 Millimeter x 1.142 Inch \| 29 Millimeter TIMKEN MM311K Precision Ball Bearings	1.0000 in	Contact with Slinger	1.7656 in	3-57/64 in
0.625 Inch \| 15.875 Millimeter x 1.5 Inch \| 38.1 Millimeter x 1 Inch \| 25.4 Millimeter TIMKEN MM30EX 5 DUC1 Precision Ball Bearings	40 mm	2150 lbf	157.2 mm	1080 lbf