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
5.906 Inch | 150 Millimeter x 8.268 Inch | 210 Millimeter x 2.205 Inch | 56 Millimeter SKF 71930 CD/P4ADGA Precision Ball Bearings 2-15/16" Bore; REGAL BELOIT 8482.20.00.80 RCI 215
8.661 Inch | 220 Millimeter x 11.811 Inch | 300 Millimeter x 2.992 Inch | 76 Millimeter SKF 71944 CD/P4ADBA Precision Ball Bearings 1.417 Inch | 36 Mill 2 Seals Non Contact Seal Phenolic
3.15 Inch | 80 Millimeter x 4.921 Inch | 125 Millimeter x 1.732 Inch | 44 Millimeter SKF 7016 CD/HCP4ADGA Precision Ball Bearings Polymer 100MM Tapered Bore; AH320 (Specify bore) 8.19
1.969 Inch | 50 Millimeter x 3.15 Inch | 80 Millimeter x 2.52 Inch | 64 Millimeter SKF 7010 ACD/P4AQBCB Precision Ball Bearings 10 Inch | 254 Millim M06288 Pillow Block 17.706
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 2.362 Inch | 60 Millimeter SKF 7008 ACD/P4AQBCB Precision Ball Bearings Single Row | Spheric REGAL BELOIT 2 Inch | 52 Millimet 0 Inch | 0Millimeter
0.472 Inch | 12 Millimeter x 1.26 Inch | 32 Millimeter x 0.787 Inch | 20 Millimeter SKF 7201 BEP/DGB Precision Ball Bearings 31171510 Spherical Roller Bea Bearing Straight
0.591 Inch | 15 Millimeter x 1.378 Inch | 35 Millimeter x 0.433 Inch | 11 Millimeter SKF 7202 BECBP/W64 Precision Ball Bearings 170MM Bore; Straight Inner Ring - One Sid 4.724 Inch | 120 Mil Yes
2.165 Inch | 55 Millimeter x 3.543 Inch | 90 Millimeter x 2.835 Inch | 72 Millimeter TIMKEN 3MM9111WI QUL Precision Ball Bearings 3/4 Inch 8483.20.40.80 Yes 5307U
2.165 Inch | 55 Millimeter x 3.543 Inch | 90 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MM9111WI DUL Precision Ball Bearings No ABEC 5 | ISO P5 Metric 0.472 Inch | 12 Mill
2.165 Inch | 55 Millimeter x 3.543 Inch | 90 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MM9111WI DUH Precision Ball Bearings B04334 FAG BEARING SCHAEFFLER GROUP 4026677670397
1.969 Inch | 50 Millimeter x 3.15 Inch | 80 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN 3MM9110WI TUM Precision Ball Bearings REXNORD LINK BELT N/A M06288
2.165 Inch | 55 Millimeter x 3.543 Inch | 90 Millimeter x 2.835 Inch | 72 Millimeter TIMKEN 3MM9111WI QUH Precision Ball Bearings 0087796041967 ABEC 1 | ISO P0 0.675 No
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