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
3.15 Inch \| 80 Millimeter x 4.921 Inch \| 125 Millimeter x 0.866 Inch \| 22 Millimeter NACHI BNH016TU/GLP4 Precision Ball Bearings	32 mm	KM	For Lock Washer	Steel
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 0.787 Inch \| 20 Millimeter NACHI BNH014TU/GLP4 Precision Ball Bearings	Single Lip Contact	Cast Iron	Set Screw	Standard Duty
2.559 Inch \| 65 Millimeter x 3.937 Inch \| 100 Millimeter x 0.709 Inch \| 18 Millimeter NACHI BNH013TU/GLP4 Precision Ball Bearings	Chrome Steel	2.7500 in	NA48990SW	Double Cup
1.772 Inch \| 45 Millimeter x 2.953 Inch \| 75 Millimeter x 0.63 Inch \| 16 Millimeter NACHI BNH009TU/GLP4 Precision Ball Bearings	19	5200	0.02 KGS	Steel
2.362 Inch \| 60 Millimeter x 3.74 Inch \| 95 Millimeter x 0.709 Inch \| 18 Millimeter NACHI BNH012TU/GLP4 Precision Ball Bearings	4500 fpm	3.6220 in	29502-6415	0.7500 in
2.165 Inch \| 55 Millimeter x 3.543 Inch \| 90 Millimeter x 0.709 Inch \| 18 Millimeter NACHI BNH011TU/GLP4 Precision Ball Bearings	Open	AISI 52100	Brass/Non-Metal	Steel
1.378 Inch \| 35 Millimeter x 2.165 Inch \| 55 Millimeter x 0.394 Inch \| 10 Millimeter NACHI 7907CYU/GLP4 Precision Ball Bearings	10.00 KGS	2000	150mm	270mm
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 0.472 Inch \| 12 Millimeter NACHI 7909CYU/GLP4 Precision Ball Bearings	0.3	120 mm	260 mm	1040 kN
1.575 Inch \| 40 Millimeter x 2.677 Inch \| 68 Millimeter x 0.591 Inch \| 15 Millimeter NACHI BNH008TU/GLP4 Precision Ball Bearings	NP	.5000 in	Normal Duty	Round
1.969 Inch \| 50 Millimeter x 3.15 Inch \| 80 Millimeter x 0.63 Inch \| 16 Millimeter NACHI BNH010TU/GLP4 Precision Ball Bearings	1.969 Inch \| 50 Millimeter x 3.15 Inch \| 80 Millimeter x 0.63 Inch \| 16 Millimeter	-	-	-
1.969 Inch \| 50 Millimeter x 2.835 Inch \| 72 Millimeter x 0.472 Inch \| 12 Millimeter NACHI 7910CYU/GLP4 Precision Ball Bearings	Slotted	0.4375 in	Needle Rollers	Black Oxide
1.181 Inch \| 30 Millimeter x 1.85 Inch \| 47 Millimeter x 0.354 Inch \| 9 Millimeter NACHI 7906CYU/GLP4 Precision Ball Bearings	89.7 mm	1080 lbf	Cast Iron	0.866 in