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
8.661 Inch | 220 Millimeter x 11.811 Inch | 300 Millimeter x 2.992 Inch | 76 Millimeter SKF 71944 ACD/P4ADGB Precision Ball Bearings Plain Bearings 0717905196324 0.022 BUNTING BEARING CORP
7.48 Inch | 190 Millimeter x 10.236 Inch | 260 Millimeter x 2.598 Inch | 66 Millimeter SKF 71938 CD/P4ADGB Precision Ball Bearings 2.5 Inch | 63.5 Mill Expansion 8483.20.40.80 0155139
0.787 Inch | 20 Millimeter x 1.457 Inch | 37 Millimeter x 0.709 Inch | 18 Millimeter SKF 71904 CD/HCP4ADGA Precision Ball Bearings Bearings 0 TIMKEN B04336
1.772 Inch | 45 Millimeter x 2.953 Inch | 75 Millimeter x 1.26 Inch | 32 Millimeter SKF 7009 CD/P4ADBA Precision Ball Bearings 4-5/8 in 188400 lb 0883450504799 1.63
1.969 Inch | 50 Millimeter x 4.331 Inch | 110 Millimeter x 1.063 Inch | 27 Millimeter SKF 6310 Y/C782 Precision Ball Bearings B04120 SCHAEFFLER GROUP INA 0.0
1.969 Inch | 50 Millimeter x 4.331 Inch | 110 Millimeter x 1.063 Inch | 27 Millimeter SKF 6310 Y/C783 Precision Ball Bearings M06110 0.0 Mounted Units & 0808250419869
1.181 Inch | 30 Millimeter x 2.165 Inch | 55 Millimeter x 0.512 Inch | 13 Millimeter SKF 7006 CDGB/P4A Precision Ball Bearings Roller Bearings SCHAEFFLER GROUP B04311 56.9
3.15 Inch | 80 Millimeter x 5.512 Inch | 140 Millimeter x 1.024 Inch | 26 Millimeter SKF 7216 ACDGB/P4A Precision Ball Bearings 41.768 TIMKEN TIMKEN B04311
1.969 Inch | 50 Millimeter x 3.543 Inch | 90 Millimeter x 3.15 Inch | 80 Millimeter SKF 7210 ACD/P4AQBCB Precision Ball Bearings FAG BEARING 0.0 B04311 0
1.575 Inch | 40 Millimeter x 2.441 Inch | 62 Millimeter x 0.472 Inch | 12 Millimeter SKF 71908 CDGB/P4A Precision Ball Bearings 0.0 N/A M06110 ASAHI BEARINGS
3.346 Inch | 85 Millimeter x 4.724 Inch | 120 Millimeter x 1.417 Inch | 36 Millimeter SKF 71917 ACD/P4ADBA Precision Ball Bearings B04144 N/A 0.005 SKF
5.906 Inch | 150 Millimeter x 8.268 Inch | 210 Millimeter x 2.205 Inch | 56 Millimeter SKF 71930 ACD/P4ADGB Precision Ball Bearings 0.0 NTN N/A 19.95
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