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
4.331 Inch \| 110 Millimeter x 7.874 Inch \| 200 Millimeter x 2.992 Inch \| 76 Millimeter TIMKEN 2MM222WI DUM Precision Ball Bearings	0.7500 in	2150 lbf	2.8125 in	1080 lbf
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 4.016 Inch \| 102 Millimeter TIMKEN 2MM220WI TUM Precision Ball Bearings	55 mm	662327055240	-	-
4.331 Inch \| 110 Millimeter x 7.874 Inch \| 200 Millimeter x 2.992 Inch \| 76 Millimeter TIMKEN 2MM222WI DUL Precision Ball Bearings	3-15/16 in	Clearance/Non-Contact	7.5938 in	5-3/16 in
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 4.016 Inch \| 102 Millimeter TIMKEN 2MM220WI TUL Precision Ball Bearings	1.5000 in	2150 lbf	5.6719 in	1080 lbf
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 4.016 Inch \| 102 Millimeter TIMKEN 2MM220WI TUH Precision Ball Bearings	17.4800 in	Steel	17.9800 in	053893718125
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 5.354 Inch \| 136 Millimeter TIMKEN 2MM220WI QUM Precision Ball Bearings	170 mm	160000 lbf	260 mm	238000 lbf
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 5.354 Inch \| 136 Millimeter TIMKEN 2MM220WI QUL Precision Ball Bearings	1.3125 in	2 in	Round	1-1/4 in
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 2.677 Inch \| 68 Millimeter TIMKEN 2MM220WI DULFS637 Precision Ball Bearings	45 mm	2090 kgf	130.2 mm	Contact with Flinger
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 5.354 Inch \| 136 Millimeter TIMKEN 2MM220WI QUH Precision Ball Bearings	Two-Bolt Base	200 °F	1.2500 in	4381 lb
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 2.677 Inch \| 68 Millimeter TIMKEN 2MM220WI DUH Precision Ball Bearings	1.3750 in	5820 lbf	3.6250 in	3460 lbf
3.937 Inch \| 100 Millimeter x 7.087 Inch \| 180 Millimeter x 2.677 Inch \| 68 Millimeter TIMKEN 2MM220WI DUM Precision Ball Bearings	1.5000 in	6590 lbf	4.0000 in	4020 lbf
3.74 Inch \| 95 Millimeter x 6.693 Inch \| 170 Millimeter x 3.78 Inch \| 96 Millimeter TIMKEN 2MM219WI TUL Precision Ball Bearings	4.4375 in	11.7500 to 13.8750 in	16.5000 in	4.6250 in