Precision Ball Bearings

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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.

 

 

 

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.

 

 

Bearing Number Bore Dia Outer DIa Width Size
0.787 Inch | 20 Millimeter x 2.047 Inch | 52 Millimeter x 0.591 Inch | 15 Millimeter SKF QJ 304 LA/P63 Precision Ball Bearings 0.60 mm 39000 rpm 0.30 mm 6200 N
3.543 Inch | 90 Millimeter x 5.512 Inch | 140 Millimeter x 1.89 Inch | 48 Millimeter SKF 7018 ACD/P4ADGA Precision Ball Bearings 1800 rpm 88400 N 2.00 mm 210.0000 mm
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 1.575 Inch | 40 Millimeter SKF 7015 ACD/P4ADGB Precision Ball Bearings MB 52 1900 kN 260 mm 36 mm
7.874 Inch | 200 Millimeter x 12.205 Inch | 310 Millimeter x 6.024 Inch | 153 Millimeter TIMKEN 2MM9140WI TUL Precision Ball Bearings 4 1490 kN 58 mm 0.17
1.378 Inch | 35 Millimeter x 2.441 Inch | 62 Millimeter x 1.102 Inch | 28 Millimeter SKF 7007 CD/P4ADGC Precision Ball Bearings 0.28 kg 3200 r/min 3800 r/min 30.5 kN
7.874 Inch | 200 Millimeter x 12.205 Inch | 310 Millimeter x 6.024 Inch | 153 Millimeter TIMKEN 2MM9140WI TUM Precision Ball Bearings 1.00 mm 72.00 mm 305000 N 105.000 mm
18.11 Inch | 460 Millimeter x 22.835 Inch | 580 Millimeter x 2.205 Inch | 56 Millimeter SKF 71892 AMB/P5 Precision Ball Bearings 530 mm 780 mm 4680 kN 250 mm
7.874 Inch | 200 Millimeter x 12.205 Inch | 310 Millimeter x 6.024 Inch | 153 Millimeter TIMKEN 2MM9140WI TUH Precision Ball Bearings 1/2 NPT 104.775 mm 30.163 mm 53.975 mm
7.874 Inch | 200 Millimeter x 12.205 Inch | 310 Millimeter x 2.008 Inch | 51 Millimeter TIMKEN 2MM9140WI SUM Precision Ball Bearings 200 mm 0.5 m/s 25 N/mm² H7
3.937 Inch | 100 Millimeter x 5.906 Inch | 150 Millimeter x 3.78 Inch | 96 Millimeter TIMKEN 3MM9120WI QUL Precision Ball Bearings 2.9 1.9 12 mm 52 mm
7.874 Inch | 200 Millimeter x 12.205 Inch | 310 Millimeter x 2.008 Inch | 51 Millimeter TIMKEN 2MM9140WI SUH Precision Ball Bearings 40 mm 101.6 mm 14.3 mm 130.2 mm
3.74 Inch | 95 Millimeter x 5.709 Inch | 145 Millimeter x 2.835 Inch | 72 Millimeter TIMKEN 3MM9119WI TUH Precision Ball Bearings 81.6 mm 311 N/µm 18500 r/min 200 N
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