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
NSK 6900 Bearing 5/8 in 50000 1 in Static 8000 / Dynamic 2000 (psi)
0.984 Inch | 25 Millimeter x 2.047 Inch | 52 Millimeter x 0.591 Inch | 15 Millimeter TIMKEN 3MM205WI Precision Ball Bearings 40 mm 1460 kgf 111 mm Contact with Flinger
3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 0.866 Inch | 22 Millimeter SKF 7016 ACDGB/P4A Precision Ball Bearings 3.1429 in Exceptional Bearing Protection, Rotating Applications, Pumps, Gearboxes, Motors, Energy Efficient Applications, Primary Metals Industry, Steel Industry, Aluminum Industry, Pulp and Paper Industry, Che Labyrinth 3926904590.US
4.724 Inch | 120 Millimeter x 7.087 Inch | 180 Millimeter x 1.102 Inch | 28 Millimeter TIMKEN 2MM9124WI Precision Ball Bearings 1 in 50000 1-1/2 in Static 8000 / Dynamic 2000 (psi)
2.756 Inch | 70 Millimeter x 4.921 Inch | 125 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 3MM214WI SUM Precision Ball Bearings 1.6875 in 5139 lb 4.1250 in Felt Seal
3.15 Inch | 80 Millimeter x 5.512 Inch | 140 Millimeter x 2.047 Inch | 52 Millimeter TIMKEN 3MM216WI DUL Precision Ball Bearings 25 mm 2170 kgf 88.9 mm 1120 kgf
2.953 Inch | 75 Millimeter x 5.118 Inch | 130 Millimeter x 2.953 Inch | 75 Millimeter TIMKEN 3MM215WI TUM Precision Ball Bearings 1.7500 in 1700 lb 4.7500 in Single Lip Contact
1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN 3MM9310WI QUM Precision Ball Bearings 2.0000 in 5220 lbf Cast Iron - Nickel Protection PF1
2.953 Inch | 75 Millimeter x 5.118 Inch | 130 Millimeter x 0.984 Inch | 25 Millimeter TIMKEN 3MM215WI SUM Precision Ball Bearings 85 mm 2150 lbf 248 mm 1080 lbf
5.118 Inch | 130 Millimeter x 7.874 Inch | 200 Millimeter x 5.197 Inch | 132 Millimeter TIMKEN 2MM9126WI QUM Precision Ball Bearings 2.9375 in 3.3800 in 10.8300 in Non-Expansion Bearing (Fixed)
2.953 Inch | 75 Millimeter x 5.118 Inch | 130 Millimeter x 1.969 Inch | 50 Millimeter TIMKEN 3MM215WI DUM Precision Ball Bearings 1.5000 in 2150 lbf 5.6719 in 1080 lbf
1.772 Inch | 45 Millimeter x 2.677 Inch | 68 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 3MM9309WI DUM Precision Ball Bearings 35 mm 2150 lbf 130 mm 1080 lbf
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