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 ball bearings are used for high precision applications in a variety of markets, including aerospace, health, machine tool, robotics and general industry. MM/MMV (Machine Tool Bearings) Super precision bearings manufactured to MM/MMV tolerances combine the accuracy and performance of ABEC 9/ISO P2 with the non-critical features of ABEC 7/ISO P4 levels for cost effectiveness.
![2.362 Inch | 60 Millimeter x 3.346 Inch | 85 Millimeter x 1.024 Inch | 26 Millimeter TIMKEN 2MMV9312HX DUM Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61598-2-362-inch-60-millimeter-x-3-346-inch-85-millimeter-x-1-024-inch-26-millimeter-timken-2mmv9312hx-dum-precision-ball-bearings.jpg)
![2.362 Inch | 60 Millimeter x 3.346 Inch | 85 Millimeter x 0.512 Inch | 13 Millimeter TIMKEN 2MMV9312HX SUM Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61601-2-362-inch-60-millimeter-x-3-346-inch-85-millimeter-x-0-512-inch-13-millimeter-timken-2mmv9312hx-sum-precision-ball-bearings.jpg)
![3.15 Inch | 80 Millimeter x 4.331 Inch | 110 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN 3MMC9316WICRTULFS633A Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61597-3-15-inch-80-millimeter-x-4-331-inch-110-millimeter-x-1-89-inch-48-millimeter-timken-3mmc9316wicrtulfs633a-precision-ball-bearings.jpg)
![2.165 Inch | 55 Millimeter x 3.15 Inch | 80 Millimeter x 1.024 Inch | 26 Millimeter TIMKEN 2MMV9311HXVVDULFS934 Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61598-2-165-inch-55-millimeter-x-3-15-inch-80-millimeter-x-1-024-inch-26-millimeter-timken-2mmv9311hxvvdulfs934-precision-ball-bearings.jpg)