Precision Ball Bearings
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.
![1.969 Inch | 50 Millimeter x 3.15 Inch | 80 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MMVC9110HXVVSULFS934 Precision Ball Bearings](https://m.multimediosmaldoni.net/uploaded_images/d61600-1-969-inch-50-millimeter-x-3-15-inch-80-millimeter-x-0-63-inch-16-millimeter-timken-3mmvc9110hxvvsulfs934-precision-ball-bearings.jpg)
![1.969 Inch | 50 Millimeter x 3.15 Inch | 80 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MMVC9110HXVVSULFS637 Precision Ball Bearings](https://m.multimediosmaldoni.net/uploaded_images/d61596-1-969-inch-50-millimeter-x-3-15-inch-80-millimeter-x-0-63-inch-16-millimeter-timken-3mmvc9110hxvvsulfs637-precision-ball-bearings.jpg)
![1.969 Inch | 50 Millimeter x 3.15 Inch | 80 Millimeter x 1.26 Inch | 32 Millimeter TIMKEN 3MMVC9110HXVVDUMFS934 Precision Ball Bearings](https://m.multimediosmaldoni.net/uploaded_images/d61600-1-969-inch-50-millimeter-x-3-15-inch-80-millimeter-x-1-26-inch-32-millimeter-timken-3mmvc9110hxvvdumfs934-precision-ball-bearings.jpg)
![0.472 Inch | 12 Millimeter x 1.102 Inch | 28 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MMVC9101HX DUL Precision Ball Bearings](https://m.multimediosmaldoni.net/uploaded_images/d61592-0-472-inch-12-millimeter-x-1-102-inch-28-millimeter-x-0-63-inch-16-millimeter-timken-3mmvc9101hx-dul-precision-ball-bearings.jpg)
![0.472 Inch | 12 Millimeter x 1.102 Inch | 28 Millimeter x 0.315 Inch | 8 Millimeter TIMKEN 3MMVC9101HX SUL Precision Ball Bearings](https://m.multimediosmaldoni.net/uploaded_images/d61595-0-472-inch-12-millimeter-x-1-102-inch-28-millimeter-x-0-315-inch-8-millimeter-timken-3mmvc9101hx-sul-precision-ball-bearings.jpg)
![0.472 Inch | 12 Millimeter x 1.102 Inch | 28 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MMVC9101HX DUM Precision Ball Bearings](https://m.multimediosmaldoni.net/uploaded_images/d61593-0-472-inch-12-millimeter-x-1-102-inch-28-millimeter-x-0-63-inch-16-millimeter-timken-3mmvc9101hx-dum-precision-ball-bearings.jpg)
![5.512 Inch | 140 Millimeter x 7.48 Inch | 190 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 3MMV9328HX SUM Precision Ball Bearings](https://m.multimediosmaldoni.net/uploaded_images/d61598-5-512-inch-140-millimeter-x-7-48-inch-190-millimeter-x-0-945-inch-24-millimeter-timken-3mmv9328hx-sum-precision-ball-bearings.jpg)
![4.724 Inch | 120 Millimeter x 6.496 Inch | 165 Millimeter x 1.732 Inch | 44 Millimeter TIMKEN 3MMV9324HX DUM Precision Ball Bearings](https://m.multimediosmaldoni.net/uploaded_images/d61593-4-724-inch-120-millimeter-x-6-496-inch-165-millimeter-x-1-732-inch-44-millimeter-timken-3mmv9324hx-dum-precision-ball-bearings.jpg)