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
2.362 Inch \| 60 Millimeter x 4.331 Inch \| 110 Millimeter x 0.866 Inch \| 22 Millimeter SKF 6212 Y/C782 Precision Ball Bearings	2.2500 in	Single Concentric Collar	4.5000 in	Non-Expansion Bearing (Fixed)
2.362 Inch \| 60 Millimeter x 4.331 Inch \| 110 Millimeter x 0.866 Inch \| 22 Millimeter SKF 6212 Y/C78 Precision Ball Bearings	0.5000 in	1-1/2 in	Round	7/8 in
2.362 Inch \| 60 Millimeter x 4.331 Inch \| 110 Millimeter x 0.866 Inch \| 22 Millimeter SKF 6212 TC/C78 Precision Ball Bearings	1.2500 in	4-7/16 in	2.2500 in	4 in
2.362 Inch \| 60 Millimeter x 4.331 Inch \| 110 Millimeter x 0.866 Inch \| 22 Millimeter SKF 6212 TC/C782 Precision Ball Bearings	0.9375 in	3150 lbf	PBT Thermoplastic	1780 lbf
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 0.945 Inch \| 24 Millimeter SKF S71909 CD/P4ADGA Precision Ball Bearings	1.0000 in	1-1/8 in	Round	1-13/16 in
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 1.102 Inch \| 28 Millimeter TIMKEN 2MMC9122WI SUM Precision Ball Bearings	2.0000 in	2150 lbf	6.1875 in	1080 lbf
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 2.205 Inch \| 56 Millimeter TIMKEN 3MM9122WI DUM Precision Ball Bearings	60 mm	2150 lbf	202 mm	1080 lbf
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 2.205 Inch \| 56 Millimeter TIMKEN 3MM9122WI DUL Precision Ball Bearings	1.1875 in	4410 lbf	3.5625 in	2540 lbf
4.331 Inch \| 110 Millimeter x 6.693 Inch \| 170 Millimeter x 2.205 Inch \| 56 Millimeter TIMKEN 3MM9122WI DUH Precision Ball Bearings	1.2500 in	4410 lbf	PBT Thermoplastic	2540 lbf
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 3.071 Inch \| 78 Millimeter TIMKEN 3MM9121WI TUM Precision Ball Bearings	2.5000 in	1530 RPM	3.2500 in	0.0800 in
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 3.071 Inch \| 78 Millimeter TIMKEN 3MM9121WI TUL Precision Ball Bearings	1 in	Maximum of +800 °F	1-3/16 in	75000
4.134 Inch \| 105 Millimeter x 6.299 Inch \| 160 Millimeter x 1.024 Inch \| 26 Millimeter TIMKEN 3MM9121WI SUM Precision Ball Bearings	1.2500 in	2150 lbf	4.6094 in	1080 lbf