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.
![2.756 Inch | 70 Millimeter x 3.937 Inch | 100 Millimeter x 1.26 Inch | 32 Millimeter TIMKEN 2MMV9314HX DUM Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61593-2-756-inch-70-millimeter-x-3-937-inch-100-millimeter-x-1-26-inch-32-millimeter-timken-2mmv9314hx-dum-precision-ball-bearings.jpg)
![2.559 Inch | 65 Millimeter x 3.543 Inch | 90 Millimeter x 0.512 Inch | 13 Millimeter TIMKEN 2MMV9313HXVVSULFS934 Precision Ball Bearings](https://m.tmmy870.net/uploaded_images/d61596-2-559-inch-65-millimeter-x-3-543-inch-90-millimeter-x-0-512-inch-13-millimeter-timken-2mmv9313hxvvsulfs934-precision-ball-bearings.jpg)