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.
![3.346 Inch | 85 Millimeter x 5.118 Inch | 130 Millimeter x 1.732 Inch | 44 Millimeter TIMKEN 2MMVC9117HXVVDUMFS637 Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61597-3-346-inch-85-millimeter-x-5-118-inch-130-millimeter-x-1-732-inch-44-millimeter-timken-2mmvc9117hxvvdumfs637-precision-ball-bearings.jpg)
![3.346 Inch | 85 Millimeter x 5.118 Inch | 130 Millimeter x 1.732 Inch | 44 Millimeter TIMKEN 2MMVC9117HX DUL Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61595-3-346-inch-85-millimeter-x-5-118-inch-130-millimeter-x-1-732-inch-44-millimeter-timken-2mmvc9117hx-dul-precision-ball-bearings.jpg)
![3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 0.866 Inch | 22 Millimeter TIMKEN 2MMVC9116HXVVSUMFS637 Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61595-3-15-inch-80-millimeter-x-4-921-inch-125-millimeter-x-0-866-inch-22-millimeter-timken-2mmvc9116hxvvsumfs637-precision-ball-bearings.jpg)
- 3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 0.866 Inch | 22 Millimeter TIMKEN 2MMVC9116HXVVSUMFS637 Precision Ball Bearings
- 4.5 Inch | 114.3 Mil
- Flange Block Bearing
![3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 1.732 Inch | 44 Millimeter TIMKEN 2MMVC9116HXVVDUMFS934 Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61593-3-15-inch-80-millimeter-x-4-921-inch-125-millimeter-x-1-732-inch-44-millimeter-timken-2mmvc9116hxvvdumfs934-precision-ball-bearings.jpg)
![3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 1.732 Inch | 44 Millimeter TIMKEN 2MMVC9116HXVVDUMFS637 Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61601-3-15-inch-80-millimeter-x-4-921-inch-125-millimeter-x-1-732-inch-44-millimeter-timken-2mmvc9116hxvvdumfs637-precision-ball-bearings.jpg)
![3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 1.732 Inch | 44 Millimeter TIMKEN 2MMVC9116HXVVDULFS934 Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61596-3-15-inch-80-millimeter-x-4-921-inch-125-millimeter-x-1-732-inch-44-millimeter-timken-2mmvc9116hxvvdulfs934-precision-ball-bearings.jpg)
![3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 1.732 Inch | 44 Millimeter TIMKEN 2MMVC9116HXVVDULFS637 Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61600-3-15-inch-80-millimeter-x-4-921-inch-125-millimeter-x-1-732-inch-44-millimeter-timken-2mmvc9116hxvvdulfs637-precision-ball-bearings.jpg)
![3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 3.465 Inch | 88 Millimeter TIMKEN 2MMVC9116HX QUL Precision Ball Bearings](https://m.tinneylawfirm.com/uploaded_images/d61599-3-15-inch-80-millimeter-x-4-921-inch-125-millimeter-x-3-465-inch-88-millimeter-timken-2mmvc9116hx-qul-precision-ball-bearings.jpg)
- 3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 3.465 Inch | 88 Millimeter TIMKEN 2MMVC9116HX QUL Precision Ball Bearings
- Double Row | Double
- 6.01 Inch | 152.654