Precision Ball Bearings

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National Precision Bearing specializes in precision inch and metric ball bearings for miniature, aircraft and industrial applications. Aviation instrument bearings and dental bearings are extensively stocked. ABEC 3, 5, and 7 grade miniature bearings are available to support your needs.

 

Precision ball bearings are used for high precision applications in a variety of markets, including aerospace, health, machine tool, robotics and general industry.Precision balls are used in critical aeronautical bearings, guidance system balls for space and military applications, precision valves, automotive bearings and other applications where higher precision is necessary. Precision balls are defined by grade: The lower the number of the grade, the more precision to which the ball is manufactured.

 

 

 

Bearing Number Bore Dia Outer DIa Width Size
3.543 Inch | 90 Millimeter x 5.512 Inch | 140 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MM9118WI Precision Ball Bearings 4 Bolt Round Flange 2400U Inch 31171501
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 0.787 Inch | 20 Millimeter TIMKEN 3MMVC9115HXVVSUMFS934 Precision Ball Bearings 9.35 51140 F 200MM Bore 1; 203MM Bearing
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 0.787 Inch | 20 Millimeter TIMKEN 3MMVC9115HXVVSUMFS637 Precision Ball Bearings B04336 N/A 4547359292473 0.0
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 0.787 Inch | 20 Millimeter TIMKEN 3MMVC9115HXVVSULFS934 Precision Ball Bearings 0.0 NTN N/A 4547359774535
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 1.575 Inch | 40 Millimeter TIMKEN 3MMVC9115HXVVDULFS934 Precision Ball Bearings M06288 0.0 4.994 Mounted Units &
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 1.575 Inch | 40 Millimeter TIMKEN 3MMVC9115HXVVDUMFS637 Precision Ball Bearings N/A 0808250433841 M06110 0.0
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 0.787 Inch | 20 Millimeter TIMKEN 3MMVC9115HXVVSULFS637 Precision Ball Bearings N/A Inch Spherical Roller Bea 0.0
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 1.575 Inch | 40 Millimeter TIMKEN 3MMVC9115HXVVDUMFS934 Precision Ball Bearings 2.268 M06288 0.0 QM INDUSTRIES
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 1.575 Inch | 40 Millimeter TIMKEN 3MMVC9115HXVVDULFS637 Precision Ball Bearings SCHAEFFLER GROUP 198.82 4054364335342 B04311
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 0.787 Inch | 20 Millimeter TIMKEN 3MMVC9115HX SUM Precision Ball Bearings FAG BEARING SCHAEFFLER GROUP B04336 0.0
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 1.575 Inch | 40 Millimeter TIMKEN 3MMVC9115HX DUM Precision Ball Bearings Ball Bearing 31171531 NTN Open
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 1.575 Inch | 40 Millimeter TIMKEN 3MMVC9115HX DUL Precision Ball Bearings N/A Roller Bearings OMNI METALCRAFT B04144
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