Precision Ball Bearings

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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.

 

 


 

Bearing Number Bore Dia Outer DIa Width Size
6.299 Inch | 160 Millimeter x 9.449 Inch | 240 Millimeter x 2.992 Inch | 76 Millimeter TIMKEN 2MM9132WI DUM Precision Ball Bearings Bearing 0.0 0.984 Inch | 25 Mill 2 Rib Outer Ring | O
1.181 Inch | 30 Millimeter x 2.165 Inch | 55 Millimeter x 1.535 Inch | 39 Millimeter TIMKEN 3MM9106WI TUH Precision Ball Bearings 3.25 Inch | 82.55 Mi V Lock N/A Inch
1.181 Inch | 30 Millimeter x 2.165 Inch | 55 Millimeter x 1.535 Inch | 39 Millimeter TIMKEN 3MM9106WI TUL Precision Ball Bearings Single Row | Angular 35MM Bore; 55MM Outs 7907CP5 8482.10.50.28
1.181 Inch | 30 Millimeter x 2.165 Inch | 55 Millimeter x 2.047 Inch | 52 Millimeter TIMKEN 3MM9106WI QUL Precision Ball Bearings B04144 N/A 2.091 Roller Bearings
1.181 Inch | 30 Millimeter x 2.165 Inch | 55 Millimeter x 2.047 Inch | 52 Millimeter TIMKEN 3MM9106WI QUM Precision Ball Bearings Steel Non-Expansion Tapered Adapter Slee 214 Series
1.181 Inch | 30 Millimeter x 2.165 Inch | 55 Millimeter x 1.024 Inch | 26 Millimeter TIMKEN 3MM9106WI DUM Precision Ball Bearings 8483.20.40.80 Pillow Block 1 Inch 57.204
1.181 Inch | 30 Millimeter x 2.165 Inch | 55 Millimeter x 1.024 Inch | 26 Millimeter TIMKEN 3MM9106WI DUL Precision Ball Bearings Precision Ball Beari Medium 0.64 Single Row | Angular
5.906 Inch | 150 Millimeter x 8.858 Inch | 225 Millimeter x 4.134 Inch | 105 Millimeter TIMKEN 2MM9130WI TUM Precision Ball Bearings B04286 N/A 0.0 CONSOLIDATED BEARING
1.181 Inch | 30 Millimeter x 2.165 Inch | 55 Millimeter x 1.024 Inch | 26 Millimeter TIMKEN 3MM9106WI DUH Precision Ball Bearings 29 mm Cone & Cup SKF 1.571
0.984 Inch | 25 Millimeter x 1.85 Inch | 47 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MM9105WI TUM Precision Ball Bearings 21.5 Inch | 546.1 Mi HM266410-2 0.0 8482.99.15.40
0.984 Inch | 25 Millimeter x 1.85 Inch | 47 Millimeter x 0.472 Inch | 12 Millimeter TIMKEN 3MM9105WI SUL Precision Ball Bearings Inner Ring - Both Si N/A C0-Medium 0.0
0.984 Inch | 25 Millimeter x 1.85 Inch | 47 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN 3MM9105WI QUM Precision Ball Bearings 6.125 Inch | 155.575 Expansion EP2B-IP-111RE N/A
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