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
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 1.024 Inch \| 26 Millimeter TIMKEN 2MM9121WI SUM Precision Ball Bearings	10.2500 in	Steel	4.0000 in	053893640747
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 1.024 Inch \| 26 Millimeter TIMKEN 2MM9121WI SUL Precision Ball Bearings	2-1/4 in	50000	2-3/4 in	Static 8000 / Dynamic 2000 (psi)
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 4.094 Inch \| 104 Millimeter TIMKEN 2MM9121WI QUM Precision Ball Bearings	2.2500 in	20800 lbf	6.5313 in	13500 lbf
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 1.024 Inch \| 26 Millimeter TIMKEN 2MM9121WI SUH Precision Ball Bearings	1.4375 in	2150 lbf	3.9375 in	1080 lbf
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 0.945 Inch \| 24 Millimeter TIMKEN 3MM9309WI DUL Precision Ball Bearings	0.9375 in	3150 lbf	3.0000 in	1780 lbf
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 4.094 Inch \| 104 Millimeter TIMKEN 2MM9121WI QUL Precision Ball Bearings	200 mm	Oil Groove and Holes In Outer Ring	310 mm	234000
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 4.094 Inch \| 104 Millimeter TIMKEN 2MM9121WI QUH Precision Ball Bearings	2.4375 in	18300 lbf	6.0000 in	11700 lbf
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 2.047 Inch \| 52 Millimeter TIMKEN 2MM9121WI DUM Precision Ball Bearings	110 mm	Without Snap Ring	240 mm	C0
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 2.047 Inch \| 52 Millimeter TIMKEN 2MM9121WI DUL Precision Ball Bearings	TIMKEN	2MM9121WI DUL	1 pcs	Negotiable
3.346 Inch \| 85 Millimeter x 5.118 Inch \| 130 Millimeter x 0.866 Inch \| 22 Millimeter SKF 6017/P6 Precision Ball Bearings	160 mm	109000 N	240 mm	114000 N
0.984 Inch \| 25 Millimeter x 2.047 Inch \| 52 Millimeter x 0.591 Inch \| 15 Millimeter SKF 6205 TC/C782 Precision Ball Bearings	1.9375 in	Non-Expansion Bearing (Fixed)	Round	Triple Lip
3.937 Inch \| 100 Millimeter x 5.906 Inch \| 150 Millimeter x 3.78 Inch \| 96 Millimeter SKF 7020 ACD/P4AQBCA Precision Ball Bearings	130 mm	114.30 mm	254.00 mm	Expansion Bearing (Floating)