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
0.591 Inch \| 15 Millimeter x 1.378 Inch \| 35 Millimeter x 0.433 Inch \| 11 Millimeter SKF 7202 BECBP/W64 Precision Ball Bearings	1.75 in	0.0030 in	0.25	0.0053
2.165 Inch \| 55 Millimeter x 3.543 Inch \| 90 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 3MM9111WI QUL Precision Ball Bearings	6	Insert Bearing Unit	Triple seals	20
2.165 Inch \| 55 Millimeter x 3.543 Inch \| 90 Millimeter x 0.709 Inch \| 18 Millimeter TIMKEN 3MM9111WI Precision Ball Bearings	A6000	0.0404	1.34 in	A6157A
2.165 Inch \| 55 Millimeter x 3.543 Inch \| 90 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MM9111WI DUL Precision Ball Bearings	21.45 mm	UC207-21G2T04	30.5 mm	91.5 mm
2.165 Inch \| 55 Millimeter x 3.543 Inch \| 90 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MM9111WI DUH Precision Ball Bearings	61 mm	31.85 kN	260 mm	US209G2T20
1.969 Inch \| 50 Millimeter x 3.15 Inch \| 80 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM9110WI TUM Precision Ball Bearings	16.8 Nm	24 mm	19 mm	18mm
2.165 Inch \| 55 Millimeter x 3.543 Inch \| 90 Millimeter x 2.835 Inch \| 72 Millimeter TIMKEN 3MM9111WI QUH Precision Ball Bearings	55.6 mm	-20 °C	200 °C	16.8 Nm
1.969 Inch \| 50 Millimeter x 3.15 Inch \| 80 Millimeter x 0.63 Inch \| 16 Millimeter TIMKEN 3MM9110WI SUL Precision Ball Bearings	14000	8 Days	J7	Cylindrical Bore Set
2.165 Inch \| 55 Millimeter x 3.543 Inch \| 90 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MM9111WI DUM Precision Ball Bearings	F203N-	-20 °C	0.42 kg	6 mm
1.969 Inch \| 50 Millimeter x 3.15 Inch \| 80 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM9110WI TUH Precision Ball Bearings	Cylindrical Bore Set	Used for Light load	Cartridge type unit	No
6.693 Inch \| 170 Millimeter x 10.236 Inch \| 260 Millimeter x 3.307 Inch \| 84 Millimeter TIMKEN 2MM9134WI DUL Precision Ball Bearings	1.5 mm	31 mm	METRIC	31 mm
1.969 Inch \| 50 Millimeter x 3.15 Inch \| 80 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM9110WI TUL Precision Ball Bearings	Standard	19000	Available	Metric Series