Precision Ball Bearings

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Miniature Precision Ball Bearings for Specialized Industries. Miniature Precision Bearings are identified by having an internal diameter of less than 3/8 inches (9.5 mm) while still containing the same components used in standard radial ball bearings.Higher precision bearings are available in ball bearings, angular contact ball bearing, ball screw support bearings, cylindrical roller bearings, spherical roller bearings and tapered roller bearings. The most common high precision bearing is the angular contact bearing, also referred to as a spindle bearing.

Precision Ball Bearings . Shielded. Sealed. For greater accuracy and higher speeds, these bearings are made to tighter tolerances than standard ball bearings. Shielded bearings dissipate heat more efficiently than sealed bearings. Sealed bearings block out dust and other contaminants better than shielded bearings.

Bearing Number	Bore Dia	Outer DIa	Width	Size
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 2.677 Inch \| 68 Millimeter TIMKEN 2MM220WI DUL Precision Ball Bearings	1 in	Maximum of +800 °F	1-1/4 in	75000
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 3.78 Inch \| 96 Millimeter TIMKEN 2MM219WI TUM Precision Ball Bearings	3.2500 in	34400 lbf	7.8740 in	26600 lbf
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 1.26 Inch \| 32 Millimeter TIMKEN 2MM219WI SUL Precision Ball Bearings	20 mm	29 N/mm2;Static 150 N/mm2	30 mm	Dry 0.50;Periodic lubrication 1.0 m/s
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 3.78 Inch \| 96 Millimeter TIMKEN 2MM219WI TUH Precision Ball Bearings	Side Mount	4.7500 in	Spherical Roller	Lubrication Fitting
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 5.039 Inch \| 128 Millimeter TIMKEN 2MM219WI QUM Precision Ball Bearings	2.1250 in	12900 lbf	5.8750 in	9000 lbf
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 5.039 Inch \| 128 Millimeter TIMKEN 2MM219WI QUL Precision Ball Bearings	0.5000 in	2150 lbf	3.0000 in	1080 lbf
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 2.52 Inch \| 64 Millimeter TIMKEN 2MM219WI DUM Precision Ball Bearings	5.1875 in	4.6260 in	10.7500 in	Non-Expansion Bearing (Fixed)
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 5.039 Inch \| 128 Millimeter TIMKEN 2MM219WI QUH Precision Ball Bearings	4.2500 in	3.9370 in	9.0000 in	Non-Expansion Bearing (Fixed)
1.575 Inch \| 40 Millimeter x 2.441 Inch \| 62 Millimeter x 0.472 Inch \| 12 Millimeter SKF 71908 ACEGA/HCP4A Precision Ball Bearings	Straight Bushing	49 N/mm²	0.1250 in	3.60 N/mm² - m/s
2.165 Inch \| 55 Millimeter x 3.543 Inch \| 90 Millimeter x 0.709 Inch \| 18 Millimeter SKF 7011 CEGA/HCP4A Precision Ball Bearings	3.3000 in	1.4050 in	4.7500 in	52100 Bearing Steel
1.575 Inch \| 40 Millimeter x 2.677 Inch \| 68 Millimeter x 0.591 Inch \| 15 Millimeter SKF 7008 CEGA/HCP4A Precision Ball Bearings	Two-Bolt Base	3.6250 in	1.2500 in	Powder Coated
4.331 Inch \| 110 Millimeter x 5.906 Inch \| 150 Millimeter x 0.787 Inch \| 20 Millimeter SKF 71922 CDGA/P4A Precision Ball Bearings	1.3750 in	4950 lbf	2.8346 in	2770 lbf