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.

 

3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 1.732 Inch | 44 Millimeter TIMKEN 2MM9116WI DUL Precision Ball Bearings

Double 7 Days
Yes (with retaining 1045 Carbon Steel

3.15 Inch | 80 Millimeter x 4.331 Inch | 110 Millimeter x 1.26 Inch | 32 Millimeter TIMKEN 3MMV9316HXVVDULFS934 Precision Ball Bearings

No Outer Ring Steel
9 Days or more Radial

3.15 Inch | 80 Millimeter x 4.331 Inch | 110 Millimeter x 1.26 Inch | 32 Millimeter TIMKEN 3MMV9316HXVVDULFS637 Precision Ball Bearings

Deep Groove Ball Bea 628
ZZ (Double Shield) Square Type

3.15 Inch | 80 Millimeter x 4.331 Inch | 110 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MMV9316HX SUM Precision Ball Bearings

No Cover Cast Iron
No Insert Bearing Unit

3.15 Inch | 80 Millimeter x 4.331 Inch | 110 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MMV9316HX SUL Precision Ball Bearings

Bearings with Housin Flange Type
Deep Groove Ball Bea 1045 Carbon Steel

2.953 Inch | 75 Millimeter x 4.134 Inch | 105 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MMV9315HXVVSULFS934 Precision Ball Bearings

[Steel] Steel Electroless Nickel P
Flange Type Compact Type

3.15 Inch | 80 Millimeter x 4.331 Inch | 110 Millimeter x 1.26 Inch | 32 Millimeter TIMKEN 3MMV9316HX DUL Precision Ball Bearings

T-Shaped Not Provided
6003 Black Oxide Coating

2.953 Inch | 75 Millimeter x 4.134 Inch | 105 Millimeter x 1.26 Inch | 32 Millimeter TIMKEN 3MMV9315HXVVDULFS934 Precision Ball Bearings

Yes (with retaining [Steel] Steel
Flange Type Deep Groove Ball Bea

2.953 Inch | 75 Millimeter x 4.134 Inch | 105 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MMV9315HX SUM Precision Ball Bearings

Insert Bearing Unit Stainless Steel
12.8 Standard
1/10