Precision Ball Bearings

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Friction, or resistance to motion, is the result of the force acting between two surfaces as they slide against each other. Bearings reduce friction and provide smooth sliding contact between surfaces due to their material, shape or lubrication. Choosing the correct bearing for an application improves efficiency, extends bearing life at high speeds and avoids overheating. Bearings fall into two general categories: radial bearings that support rotating shafts and thrust bearings that support axial loads. Four classifications of bearing tolerances have been established, providing standards of precision for the correct application of ball bearings.

Bearing Number	Bore Dia	Outer DIa	Width	Size
2.559 Inch \| 65 Millimeter x 4.724 Inch \| 120 Millimeter x 0.906 Inch \| 23 Millimeter TIMKEN 2MM213WI SUL Precision Ball Bearings	14mm	-20 °C	15.2 kN	155 mm
3.74 Inch \| 95 Millimeter x 5.118 Inch \| 130 Millimeter x 0.709 Inch \| 18 Millimeter SKF 71919 CDGA/P4A Precision Ball Bearings	Deep Groove Ball Bea	114	[Steel] Steel	Bearings with Housin
1.969 Inch \| 50 Millimeter x 4.331 Inch \| 110 Millimeter x 1.063 Inch \| 27 Millimeter SKF 6310 Y/C78 Precision Ball Bearings	21.4 mm	PAE204N-	19 mm	5.5 Nm
1.772 Inch \| 45 Millimeter x 3.937 Inch \| 100 Millimeter x 0.984 Inch \| 25 Millimeter SKF 6309-Z/HC5C3 Precision Ball Bearings	15.5 mm	32 mm	16 mm	61 mm
7.087 Inch \| 180 Millimeter x 9.843 Inch \| 250 Millimeter x 2.598 Inch \| 66 Millimeter SKF 71936 ACD/P4ADGB Precision Ball Bearings	7.88 kN	M6x1	100 °C	44.3 mm
10.236 Inch \| 260 Millimeter x 14.173 Inch \| 360 Millimeter x 3.622 Inch \| 92 Millimeter SKF 71952 ACD/P4ADGA Precision Ball Bearings	0.0015 in	Mounted Bearing	Double Concentric	46400 lb
8.661 Inch \| 220 Millimeter x 11.811 Inch \| 300 Millimeter x 2.992 Inch \| 76 Millimeter SKF 71944 ACD/P4ADGB Precision Ball Bearings	1300 rpm	Single Concentric	0883450045209	22215
7.48 Inch \| 190 Millimeter x 10.236 Inch \| 260 Millimeter x 2.598 Inch \| 66 Millimeter SKF 71938 CD/P4ADGB Precision Ball Bearings	5.92 Hz	63 mm	0.41 Hz	67.1 mm
0.787 Inch \| 20 Millimeter x 1.457 Inch \| 37 Millimeter x 0.709 Inch \| 18 Millimeter SKF 71904 CD/HCP4ADGA Precision Ball Bearings	Oil Supply Type	No	Cast Iron	Heat Resistant Produ
1.772 Inch \| 45 Millimeter x 2.953 Inch \| 75 Millimeter x 1.26 Inch \| 32 Millimeter SKF 7009 CD/P4ADBA Precision Ball Bearings	High Temperature Pac	1213.95 lbf	2 x M16	Two-Bolt Plummer Blo
1.969 Inch \| 50 Millimeter x 4.331 Inch \| 110 Millimeter x 1.063 Inch \| 27 Millimeter SKF 6310 Y/C782 Precision Ball Bearings	70 mm	1 mm	NTN	P0
1.969 Inch \| 50 Millimeter x 4.331 Inch \| 110 Millimeter x 1.063 Inch \| 27 Millimeter SKF 6310 Y/C783 Precision Ball Bearings	Flat	With Outer Ring	Needle Roller	Steel