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
0.591 Inch | 15 Millimeter x 1.26 Inch | 32 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MM9102WI QUM Precision Ball Bearings 349 kN 46.600 kN 80 mm 4.5 mm
0.591 Inch | 15 Millimeter x 1.26 Inch | 32 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MM9102WI QUH Precision Ball Bearings 1.00 mm 75.000 mm 37500 N 115.0000 mm
0.591 Inch | 15 Millimeter x 1.26 Inch | 32 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MM9102WI QUL Precision Ball Bearings 95.809 mm 107.95 mm 4.763 mm 74.612 mm
0.591 Inch | 15 Millimeter x 1.26 Inch | 32 Millimeter x 0.709 Inch | 18 Millimeter TIMKEN 3MM9102WI DUM Precision Ball Bearings 57 mm 35 mm 11.180 kN 55 mm
5.512 Inch | 140 Millimeter x 8.268 Inch | 210 Millimeter x 3.898 Inch | 99 Millimeter TIMKEN 2MM9128WI TUL Precision Ball Bearings 133.35 mm HMVC 30E S 30x5.1/4 150 mm
5.512 Inch | 140 Millimeter x 8.268 Inch | 210 Millimeter x 3.898 Inch | 99 Millimeter TIMKEN 2MM9128WI TUH Precision Ball Bearings 204000 N 40.00 mm 1.00 mm 2700 rpm
0.591 Inch | 15 Millimeter x 1.26 Inch | 32 Millimeter x 0.709 Inch | 18 Millimeter TIMKEN 3MM9102WI DUL Precision Ball Bearings 869.95 mm 73.025 mm 228.6 mm 419.1 mm
0.591 Inch | 15 Millimeter x 1.26 Inch | 32 Millimeter x 0.709 Inch | 18 Millimeter TIMKEN 3MM9102WI DUH Precision Ball Bearings 180 mm 52.388 mm 2 x LOR 184 171.45 mm
5.512 Inch | 140 Millimeter x 8.268 Inch | 210 Millimeter x 1.299 Inch | 33 Millimeter TIMKEN 2MM9128WI SUM Precision Ball Bearings 5600 r/min 0.72 55 mm 149 kN
5.512 Inch | 140 Millimeter x 8.268 Inch | 210 Millimeter x 1.299 Inch | 33 Millimeter TIMKEN 2MM9128WI SUL Precision Ball Bearings 129000 N 138000 N 4000 rpm 39.00 mm
2.756 Inch | 70 Millimeter x 5.906 Inch | 150 Millimeter x 2.756 Inch | 70 Millimeter TIMKEN 3MM314WI DUM Precision Ball Bearings 4.763 mm 19.05 mm 295.275 mm 263.525 mm
2.362 Inch | 60 Millimeter x 5.118 Inch | 130 Millimeter x 2.441 Inch | 62 Millimeter TIMKEN 3MM312WI DUM Precision Ball Bearings HMV 76 E Tr 380x5 360 mm G 1/4
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