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 1.89 Inch | 48 Millimeter TIMKEN 3MM9109WI TUM Precision Ball Bearings Bearing 0883450180832 N/A Cast Steel
1.772 Inch | 45 Millimeter x 2.953 Inch | 75 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MM9109WI SUM Precision Ball Bearings 170MM Straight Bore; 31171510 84823080 26.62
1.772 Inch | 45 Millimeter x 2.953 Inch | 75 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MM9109WI SUH Precision Ball Bearings 0.795 N/A REXNORD Bearings
6.299 Inch | 160 Millimeter x 9.449 Inch | 240 Millimeter x 4.488 Inch | 114 Millimeter TIMKEN 2MM9132WI TUM Precision Ball Bearings B04311 TIMKEN N/A TIMKEN
1.772 Inch | 45 Millimeter x 2.953 Inch | 75 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MM9109WI SUL Precision Ball Bearings 0883450423526 Mounted Units & N/A 136
1.772 Inch | 45 Millimeter x 2.953 Inch | 75 Millimeter x 1.26 Inch | 32 Millimeter TIMKEN 3MM9109WI DUH Precision Ball Bearings N/A 0 0692314673072 0.0
1.772 Inch | 45 Millimeter x 2.953 Inch | 75 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN 3MM9109WI TUL Precision Ball Bearings Pillow Block Bearing M06288 1 Piece Solid 2.75 Inch | 69.85 Mi
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 1.772 Inch | 45 Millimeter TIMKEN 3MM9108WI TUH Precision Ball Bearings N/A 0.0 0644075220491 CONSOLIDATED BEARING
1.772 Inch | 45 Millimeter x 2.953 Inch | 75 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN 3MM9109WI TUH Precision Ball Bearings 260MM Tapered Bore; Spherical Roller Bea Metric 246.915
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 1.772 Inch | 45 Millimeter TIMKEN 3MM9108WI TUL Precision Ball Bearings 3.15 Inch | 80 Milli Not Applicable IKO 8482.99.25.40
6.299 Inch | 160 Millimeter x 9.449 Inch | 240 Millimeter x 4.488 Inch | 114 Millimeter TIMKEN 2MM9132WI TUL Precision Ball Bearings 0 Inch | 0 Millimete Flange Block 3.29 Inch | 83.566 M Double Row | Single
1.772 Inch | 45 Millimeter x 2.953 Inch | 75 Millimeter x 1.26 Inch | 32 Millimeter TIMKEN 3MM9109WI DUL Precision Ball Bearings Inch Cup Bearing Tapered Roller Beari
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