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 balls are used in critical aeronautical bearings, guidance system balls for space and military applications, precision valves, automotive bearings and other applications where higher precision is necessary. Precision balls are defined by grade: The lower the number of the grade, the more precision to which the ball is manufactured.

 

 

 

Bearing Number Bore Dia Outer DIa Width Size
1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 0.472 Inch | 12 Millimeter TIMKEN 3MM9308WI SUL Precision Ball Bearings M06288 3.25 Inch | 82.55 Mi Cast Steel Triple Lip Nitrile R
1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MM9308WI TUH Precision Ball Bearings 557212 5/8 Inch Tapered Roller Beari 1.938 Inch | 49.225
4.134 Inch | 105 Millimeter x 6.299 Inch | 160 Millimeter x 2.047 Inch | 52 Millimeter TIMKEN 2MM9121WI DUH Precision Ball Bearings Metric ABEC 7 | ISO P4 N/A 4 (1 Quadruplex Set)
1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 3MM9308WI DUM Precision Ball Bearings 0.0 0.1 BEARINGS LIMITED Bearings
1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 3MM9308WI DUL Precision Ball Bearings 3.125 Inch | 79.38 M REGAL BELOIT SPB1100EX 2 3/16 Cast Iron
2.559 Inch | 65 Millimeter x 3.937 Inch | 100 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MMVC9113HXVVDULFS637 Precision Ball Bearings Open 380 mm 1,120,000 N 172 mm
2.559 Inch | 65 Millimeter x 3.937 Inch | 100 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MMVC9113HXVVDUMFS637 Precision Ball Bearings 0.709 Inch | 18 Mill No 3.15 Inch | 80 Milli Single Row Ball Bear
2.559 Inch | 65 Millimeter x 3.937 Inch | 100 Millimeter x 0.709 Inch | 18 Millimeter TIMKEN 3MMVC9113HX SUM Precision Ball Bearings ASAHI BEARINGS AMI BEARINGS 13.075 Mounted Units &
2.559 Inch | 65 Millimeter x 3.937 Inch | 100 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MMVC9113HXVVDULFS934 Precision Ball Bearings Ball Angular Contact Phenolic 1.772 Inch | 45 Mill 31171531
2.559 Inch | 65 Millimeter x 3.937 Inch | 100 Millimeter x 0.709 Inch | 18 Millimeter TIMKEN 3MMVC9113HX SUL Precision Ball Bearings Bearings INA 62.269 SCHAEFFLER GROUP
2.559 Inch | 65 Millimeter x 3.937 Inch | 100 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MMVC9113HX DUM Precision Ball Bearings Quadruplex-Universal 0087796257184 B04270 Yes
2.559 Inch | 65 Millimeter x 3.937 Inch | 100 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MMVC9113HX DUL Precision Ball Bearings 0 B04334 Bearings NTN
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