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
1.181 Inch \| 30 Millimeter x 2.165 Inch \| 55 Millimeter x 0.512 Inch \| 13 Millimeter SKF 7006 CDGB/P4A Precision Ball Bearings	MSE207BR	4.5 in	Split Cylindrical Re	12.0 in
3.15 Inch \| 80 Millimeter x 5.512 Inch \| 140 Millimeter x 1.024 Inch \| 26 Millimeter SKF 7216 ACDGB/P4A Precision Ball Bearings	Cylindrical Bore Set	Standard	No	Diamond Flange Shape
1.969 Inch \| 50 Millimeter x 3.543 Inch \| 90 Millimeter x 3.15 Inch \| 80 Millimeter SKF 7210 ACD/P4AQBCB Precision Ball Bearings	Split Cylindrical Ex	1-3/16 in	Felt Seal	LSE103BX
1.575 Inch \| 40 Millimeter x 2.441 Inch \| 62 Millimeter x 0.472 Inch \| 12 Millimeter SKF 71908 CDGB/P4A Precision Ball Bearings	22.2 mm	27.8 mm	63.5 mm	77 mm
3.346 Inch \| 85 Millimeter x 4.724 Inch \| 120 Millimeter x 1.417 Inch \| 36 Millimeter SKF 71917 ACD/P4ADBA Precision Ball Bearings	5620 lbf	Take-Up	This product line wa	013992039149
5.906 Inch \| 150 Millimeter x 8.268 Inch \| 210 Millimeter x 2.205 Inch \| 56 Millimeter SKF 71930 ACD/P4ADGB Precision Ball Bearings	No	No	D	Steel
5.906 Inch \| 150 Millimeter x 8.268 Inch \| 210 Millimeter x 2.205 Inch \| 56 Millimeter SKF 71930 CD/P4ADGA Precision Ball Bearings	1.31	2960 lbf	1.52 mm	16.520 mm
8.661 Inch \| 220 Millimeter x 11.811 Inch \| 300 Millimeter x 2.992 Inch \| 76 Millimeter SKF 71944 CD/P4ADBA Precision Ball Bearings	Single	Flange Type	Bearings with Housin	69
3.15 Inch \| 80 Millimeter x 4.921 Inch \| 125 Millimeter x 1.732 Inch \| 44 Millimeter SKF 7016 CD/HCP4ADGA Precision Ball Bearings	Deep Groove Ball Bea	6	7 Days	Flanged Pilot Type
1.969 Inch \| 50 Millimeter x 3.15 Inch \| 80 Millimeter x 2.52 Inch \| 64 Millimeter SKF 7010 ACD/P4AQBCB Precision Ball Bearings	Standard	440C Stainless Steel	440C Stainless Steel	6 Days or more
1.575 Inch \| 40 Millimeter x 2.677 Inch \| 68 Millimeter x 2.362 Inch \| 60 Millimeter SKF 7008 ACD/P4AQBCB Precision Ball Bearings	Deep Groove Ball Bea	626	6	Yes (with retaining
0.472 Inch \| 12 Millimeter x 1.26 Inch \| 32 Millimeter x 0.787 Inch \| 20 Millimeter SKF 7201 BEP/DGB Precision Ball Bearings	No	No	Others	Tapered hole adapter