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.
![1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MMV9308HX DUL Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61594-1-575-inch-40-millimeter-x-2-441-inch-62-millimeter-x-0-945-inch-24-millimeter-timken-2mmv9308hx-dul-precision-ball-bearings.jpg)
![1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MMV9308HXVVDULFS637 Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61601-1-575-inch-40-millimeter-x-2-441-inch-62-millimeter-x-0-945-inch-24-millimeter-timken-2mmv9308hxvvdulfs637-precision-ball-bearings.jpg)
![1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MMV9308HXVVDULFS934 Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61595-1-575-inch-40-millimeter-x-2-441-inch-62-millimeter-x-0-945-inch-24-millimeter-timken-2mmv9308hxvvdulfs934-precision-ball-bearings.jpg)
![1.378 Inch | 35 Millimeter x 2.165 Inch | 55 Millimeter x 0.394 Inch | 10 Millimeter TIMKEN 2MMV9307HXVVSULFS637 Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61598-1-378-inch-35-millimeter-x-2-165-inch-55-millimeter-x-0-394-inch-10-millimeter-timken-2mmv9307hxvvsulfs637-precision-ball-bearings.jpg)
![1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 0.472 Inch | 12 Millimeter TIMKEN 2MMV9308HX SUL Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61596-1-575-inch-40-millimeter-x-2-441-inch-62-millimeter-x-0-472-inch-12-millimeter-timken-2mmv9308hx-sul-precision-ball-bearings.jpg)
- 1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 0.472 Inch | 12 Millimeter TIMKEN 2MMV9308HX SUL Precision Ball Bearings
- 4 mm
- 1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 0.472 Inch | 12 Millimeter
![1.378 Inch | 35 Millimeter x 2.165 Inch | 55 Millimeter x 0.787 Inch | 20 Millimeter TIMKEN 2MMV9307HXVVDULFS637 Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61597-1-378-inch-35-millimeter-x-2-165-inch-55-millimeter-x-0-787-inch-20-millimeter-timken-2mmv9307hxvvdulfs637-precision-ball-bearings.jpg)
![1.378 Inch | 35 Millimeter x 2.165 Inch | 55 Millimeter x 0.394 Inch | 10 Millimeter TIMKEN 2MMV9307HX SUM Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61598-1-378-inch-35-millimeter-x-2-165-inch-55-millimeter-x-0-394-inch-10-millimeter-timken-2mmv9307hx-sum-precision-ball-bearings.jpg)
![1.378 Inch | 35 Millimeter x 2.165 Inch | 55 Millimeter x 0.394 Inch | 10 Millimeter TIMKEN 2MMV9307HX SUL Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61599-1-378-inch-35-millimeter-x-2-165-inch-55-millimeter-x-0-394-inch-10-millimeter-timken-2mmv9307hx-sul-precision-ball-bearings.jpg)