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
1.772 Inch | 45 Millimeter x 2.953 Inch | 75 Millimeter x 1.26 Inch | 32 Millimeter TIMKEN 3MM9109WI DUM Precision Ball Bearings 31171501 0662327480141 8483.20.40.40 3.891 Inch | 98.83 M
6.299 Inch | 160 Millimeter x 9.449 Inch | 240 Millimeter x 4.488 Inch | 114 Millimeter TIMKEN 2MM9132WI TUH Precision Ball Bearings B00234 Ball Bearings N/A INGERSOLL RAND CO. L
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 0.591 Inch | 15 Millimeter TIMKEN 3MM9108WI SUL Precision Ball Bearings B00234 N/A 0.0 INGERSOLL RAND
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 0.591 Inch | 15 Millimeter TIMKEN 3MM9108WI SUM Precision Ball Bearings Spherical Plain Bear 31171508 B04286 0662288721222
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 0.591 Inch | 15 Millimeter TIMKEN 3MM9108WI SUH Precision Ball Bearings QAPL11A203SC Concentric Collar Yes Non-expansion
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 2.362 Inch | 60 Millimeter TIMKEN 3MM9108WI QULFS934 Precision Ball Bearings SKF N/A M06110 0.0
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 2.362 Inch | 60 Millimeter TIMKEN 3MM9108WI QULFS637 Precision Ball Bearings N/A 8.875 Inch | 225.43 Expansion 3.75 Inch | 95.25 Mi
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 2.362 Inch | 60 Millimeter TIMKEN 3MM9108WI QUL Precision Ball Bearings SKF 8482.10.50.68 1.26 Inch | 32 Milli No
1.378 Inch | 35 Millimeter x 2.441 Inch | 62 Millimeter x 2.205 Inch | 56 Millimeter TIMKEN 3MM9107WIQULFS637 Precision Ball Bearings 2 2 Bolt Pillow Block; 10.75 Inch | 273.05M 0 Inch | 0Millimeter
6.299 Inch | 160 Millimeter x 9.449 Inch | 240 Millimeter x 1.496 Inch | 38 Millimeter TIMKEN 2MM9132WI SUM Precision Ball Bearings N/A SCHAEFFLER GROUP 0.0 0.54
6.299 Inch | 160 Millimeter x 9.449 Inch | 240 Millimeter x 1.496 Inch | 38 Millimeter TIMKEN 2MM9132WI SUL Precision Ball Bearings 52.21 23144 YMBW507C08C3 Double Row 0.0
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 1.181 Inch | 30 Millimeter TIMKEN 3MM9108WI DUH Precision Ball Bearings 0.0 0605790270765 KOYO Roller Bearings
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