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
1.575 Inch | 40 Millimeter x 2.677 Inch | 68 Millimeter x 1.181 Inch | 30 Millimeter TIMKEN 2MMV99108WNCRDULFS637 Precision Ball Bearings 13.495 mm 46.038 NACHI 17.463 mm
2.165 Inch | 55 Millimeter x 3.15 Inch | 80 Millimeter x 0.512 Inch | 13 Millimeter TIMKEN 2MMV9311HX SUL Precision Ball Bearings 0,053 Kg 16 24,9 26 mm
1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 0.472 Inch | 12 Millimeter TIMKEN 2MMV9310HXVVSULFS637 Precision Ball Bearings 26000 1/min / Limiti 0,05 kg / Weight 12 1,2
2.165 Inch | 55 Millimeter x 3.15 Inch | 80 Millimeter x 1.024 Inch | 26 Millimeter TIMKEN 2MMV9311HX DUM Precision Ball Bearings 88,9 mm 252TVL505 793,75 708,02 mm
1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MMV9310HXVVDULFS934 Precision Ball Bearings 4R3823 200 190 mm 200 mm
1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 0.472 Inch | 12 Millimeter TIMKEN 2MMV9310HXVVSUMFS637 Precision Ball Bearings 3200 r/min 3 mm 5.25 Kg 115 mm
1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MMV9310HX DUM Precision Ball Bearings 57,2 kN 55 42 mm KOYO
1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 0.472 Inch | 12 Millimeter TIMKEN 2MMV9310HXVVSULFS934 Precision Ball Bearings 37 mm 1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 0.472 Inch | 12 Millimeter 30 mm 529891AB
2.165 Inch | 55 Millimeter x 3.15 Inch | 80 Millimeter x 1.024 Inch | 26 Millimeter TIMKEN 2MMV9311HX DUL Precision Ball Bearings 8,15 Kg 150 mm 59 mm 225
1.772 Inch | 45 Millimeter x 2.677 Inch | 68 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MMV9309HXVVDULFS934 Precision Ball Bearings 36 120 mm 130 36 mm
1.772 Inch | 45 Millimeter x 2.677 Inch | 68 Millimeter x 0.472 Inch | 12 Millimeter TIMKEN 2MMV9309HXVVSULFS637 Precision Ball Bearings 6 mm 5 mm N/A KOYO
1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MMV9310HXVVDULFS637 Precision Ball Bearings 271 mm 0.46 Hz Bearings 1.52
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