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.
![0.669 Inch | 17 Millimeter x 1.378 Inch | 35 Millimeter x 0.787 Inch | 20 Millimeter TIMKEN 3MMV9103HXVVDULFS934 Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61593-0-669-inch-17-millimeter-x-1-378-inch-35-millimeter-x-0-787-inch-20-millimeter-timken-3mmv9103hxvvdulfs934-precision-ball-bearings.jpg)
![3.346 Inch | 85 Millimeter x 4.724 Inch | 120 Millimeter x 0.709 Inch | 18 Millimeter TIMKEN 2MMVC9317HXVVSULFS637 Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61594-3-346-inch-85-millimeter-x-4-724-inch-120-millimeter-x-0-709-inch-18-millimeter-timken-2mmvc9317hxvvsulfs637-precision-ball-bearings.jpg)
![3.346 Inch | 85 Millimeter x 4.724 Inch | 120 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 2MMVC9317HXVVDULFS637 Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61600-3-346-inch-85-millimeter-x-4-724-inch-120-millimeter-x-1-417-inch-36-millimeter-timken-2mmvc9317hxvvdulfs637-precision-ball-bearings.jpg)
![3.346 Inch | 85 Millimeter x 4.724 Inch | 120 Millimeter x 0.709 Inch | 18 Millimeter TIMKEN 2MMVC9317HX SUM Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61599-3-346-inch-85-millimeter-x-4-724-inch-120-millimeter-x-0-709-inch-18-millimeter-timken-2mmvc9317hx-sum-precision-ball-bearings.jpg)
![3.346 Inch | 85 Millimeter x 4.724 Inch | 120 Millimeter x 0.709 Inch | 18 Millimeter TIMKEN 2MMVC9317HX SUL Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61596-3-346-inch-85-millimeter-x-4-724-inch-120-millimeter-x-0-709-inch-18-millimeter-timken-2mmvc9317hx-sul-precision-ball-bearings.jpg)
![0.669 Inch | 17 Millimeter x 1.378 Inch | 35 Millimeter x 0.394 Inch | 10 Millimeter TIMKEN 3MMV9103HX SUM Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61598-0-669-inch-17-millimeter-x-1-378-inch-35-millimeter-x-0-394-inch-10-millimeter-timken-3mmv9103hx-sum-precision-ball-bearings.jpg)
![3.15 Inch | 80 Millimeter x 4.331 Inch | 110 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 2MMVC9316HX SUL Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61595-3-15-inch-80-millimeter-x-4-331-inch-110-millimeter-x-0-63-inch-16-millimeter-timken-2mmvc9316hx-sul-precision-ball-bearings.jpg)
![3.346 Inch | 85 Millimeter x 4.724 Inch | 120 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 2MMVC9317HX DUL Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61596-3-346-inch-85-millimeter-x-4-724-inch-120-millimeter-x-1-417-inch-36-millimeter-timken-2mmvc9317hx-dul-precision-ball-bearings.jpg)