Precision Ball Bearings

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Precision Ball Bearings are specifically designed with accuracy in mind for high-speed and precision applications. They are capable of high rotational speeds with low friction and noise.

Types of Precision Bearings

There are two different categories of high precision bearings:

Angular Contact Bearings: Optimized for very fast operation speeds, can hold heavy loads in the radial & axial direction. Must be purchased in sets & can only support axial loads in one direction.
Radial Ball Bearings: When axial force in both directions is needed and speed isn’t the most important factor for your application, then radial ball bearings are usually selected. These high precision bearings usually don’t need to be purchased in sets for preload.

Machine Parts That Use High Precision Bearings

Spindles
Metal cutting & woodworking spindles
Grinders
Vacuum pumps
Semiconductor components
High-speed rolling mills
Printers
Race cars
Turbochargers
And more

Bearing Number	Bore Dia	Outer DIa	Width	Size
1.181 Inch \| 30 Millimeter x 2.165 Inch \| 55 Millimeter x 1.024 Inch \| 26 Millimeter NTN 7006HVDUJ94 Precision Ball Bearings	In Stock	100mm	20mm	Open Type
1.181 Inch \| 30 Millimeter x 2.165 Inch \| 55 Millimeter x 1.024 Inch \| 26 Millimeter NTN 7006HVDUJ74 Precision Ball Bearings	6.1835 in	Flanged Cup	Uncoated	104000 lbf
1.575 Inch \| 40 Millimeter x 3.071 Inch \| 78 Millimeter x 1.024 Inch \| 26 Millimeter NTN 51308P5 Precision Ball Bearings	Uncoated	371.5 (Min)	288.1 mm	115 mm
0.669 Inch \| 17 Millimeter x 1.378 Inch \| 35 Millimeter x 0.787 Inch \| 20 Millimeter NTN ML7003HVDUJ84S Precision Ball Bearings	Lock Nut Fastener Ki	80 mm	200	0.669 Inch \| 17 Millimeter x 1.378 Inch \| 35 Millimeter x 0.787 Inch \| 20 Millimeter
0.669 Inch \| 17 Millimeter x 1.378 Inch \| 35 Millimeter x 0.787 Inch \| 20 Millimeter NTN ML7003HVDUJ74S Precision Ball Bearings	0	Click here	Plain	Powdered Metal Bronz
0.669 Inch \| 17 Millimeter x 1.378 Inch \| 35 Millimeter x 0.787 Inch \| 20 Millimeter NTN ML7003CVDUJ84S Precision Ball Bearings	180 mm	4547359017588	M140	0.669 Inch \| 17 Millimeter x 1.378 Inch \| 35 Millimeter x 0.787 Inch \| 20 Millimeter
0.669 Inch \| 17 Millimeter x 1.378 Inch \| 35 Millimeter x 0.787 Inch \| 20 Millimeter NTN ML7003CVDUJ74S Precision Ball Bearings	1 mm	Maximum of +120	Not Split	202
0.591 Inch \| 15 Millimeter x 1.26 Inch \| 32 Millimeter x 0.709 Inch \| 18 Millimeter NTN ML7002HVDUJ74S Precision Ball Bearings	3304a-2ztn9/mt33-skf	23.6	Standard	0.02 KGS
0.591 Inch \| 15 Millimeter x 1.26 Inch \| 32 Millimeter x 0.709 Inch \| 18 Millimeter NTN ML7002HVDUJ84S Precision Ball Bearings	Two Rubber Seals	In Stock	38000	10mm
0.787 Inch \| 20 Millimeter x 1.654 Inch \| 42 Millimeter x 0.945 Inch \| 24 Millimeter NTN ML7004CVDUJ84S Precision Ball Bearings	Cast Iron	662461010167	Lubrication Fitting	Standard Duty
0.787 Inch \| 20 Millimeter x 1.654 Inch \| 42 Millimeter x 0.945 Inch \| 24 Millimeter NTN ML7004CVDUJ74S Precision Ball Bearings	Steel	4.775 mm	0.079 kg	132.563 mm
0.591 Inch \| 15 Millimeter x 1.26 Inch \| 32 Millimeter x 0.709 Inch \| 18 Millimeter NTN ML7002CVDUJ74S Precision Ball Bearings	6.9370 in	10.5 lbs	WTPC	662293093079