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.Ball bearings with shields or seals for protection can be lubricated to last for the operating life. Sometimes ball bearings are also called “deep groove ball bearings.

 

Precision balls are used in critical aeronautical bearings, guidance system balls for space and military applications, precision valves, automotive bearings and other applications where higher precision is necessary. Precision balls are defined by grade: The lower the number of the grade, the more precision to which the ball is manufactured.

 

 

Bearing Number Bore Dia Outer DIa Width Size
1.378 Inch | 35 Millimeter x 2.835 Inch | 72 Millimeter x 1.339 Inch | 34 Millimeter TIMKEN 3MM207WI DUM Precision Ball Bearings h8 0.05 20 mm 16 mm
1.575 Inch | 40 Millimeter x 3.15 Inch | 80 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MM208WI DUL Precision Ball Bearings 1/4 NPT SNW 15x2.1/2 130 mm 3.175 mm
1.378 Inch | 35 Millimeter x 2.835 Inch | 72 Millimeter x 2.677 Inch | 68 Millimeter TIMKEN 3MM207WI QUM Precision Ball Bearings 14.3 mm 1.30 kg 35 mm 34.1 mm
1.575 Inch | 40 Millimeter x 3.15 Inch | 80 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MM208WI DUH Precision Ball Bearings 1077 mm 154 mm 38 mm 305 kg
1.378 Inch | 35 Millimeter x 2.835 Inch | 72 Millimeter x 1.339 Inch | 34 Millimeter TIMKEN 3MM207WI DUH Precision Ball Bearings 173 N/µm 0.68 75 mm 49.6 mm
1.378 Inch | 35 Millimeter x 2.835 Inch | 72 Millimeter x 0.669 Inch | 17 Millimeter TIMKEN 3MM207WI SUM Precision Ball Bearings 535 kg 7.5 mm 727 mm 850 r/min
1.378 Inch | 35 Millimeter x 2.835 Inch | 72 Millimeter x 0.669 Inch | 17 Millimeter TIMKEN 3MM207WI SUL Precision Ball Bearings 200.0000 mm 310000 N 76.00 mm 1900 rpm
1.181 Inch | 30 Millimeter x 2.441 Inch | 62 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN 3MM206WI TUL Precision Ball Bearings 59400 N 45.000 mm 5700 rpm 1.50 mm
1.772 Inch | 45 Millimeter x 2.677 Inch | 68 Millimeter x 0.472 Inch | 12 Millimeter TIMKEN 3MM9309WI SUL Precision Ball Bearings 1690 kN 240 mm 11.1 mm 800 min-1
1.181 Inch | 30 Millimeter x 2.441 Inch | 62 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN 3MM206WI TUM Precision Ball Bearings 2800 r/min 2400 r/min 76.5 kN 28.5 kN
1.378 Inch | 35 Millimeter x 2.835 Inch | 72 Millimeter x 1.339 Inch | 34 Millimeter TIMKEN 3MM207WI DUL Precision Ball Bearings 3320 N 0.30 mm 38FS1 8.000 mm
1.181 Inch | 30 Millimeter x 2.441 Inch | 62 Millimeter x 0.63 Inch | 16 Millimeter TIMKEN 3MM206WI SUM Precision Ball Bearings 14 mm 1/4-28 SAE-LT 101.5 mm 115.9 mm
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