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
2.756 Inch \| 70 Millimeter x 4.921 Inch \| 125 Millimeter x 1.89 Inch \| 48 Millimeter NSK 7214CTRDUHP4Y Precision Ball Bearings	Lubrication Fitting	Set Screw	Clearance/Non-C	2.1875 in
2.756 Inch \| 70 Millimeter x 4.921 Inch \| 125 Millimeter x 1.89 Inch \| 48 Millimeter NSK 7214A5TRDUMP4Y Precision Ball Bearings	Non-Expansion Bearin	Contact/Lip	UL, AFBMA, AGMA, ASM	6592 lb
2.559 Inch \| 65 Millimeter x 4.724 Inch \| 120 Millimeter x 1.811 Inch \| 46 Millimeter NSK 7213CTRDUMP4Y Precision Ball Bearings	16mm	Open Type	105mm	Plastic
2.756 Inch \| 70 Millimeter x 4.921 Inch \| 125 Millimeter x 1.89 Inch \| 48 Millimeter NSK 7214A5TRDUHP4Y Precision Ball Bearings	Periodic lubrication	30 mm	Oil-Impregnated Expa	22 mm
2.559 Inch \| 65 Millimeter x 4.724 Inch \| 120 Millimeter x 1.811 Inch \| 46 Millimeter NSK 7213CTRDUHP4Y Precision Ball Bearings	6.8100 in	1.6875 in	Expansion Bearing &#	UL, AFBMA, AGMA, ASM
2.559 Inch \| 65 Millimeter x 4.724 Inch \| 120 Millimeter x 1.811 Inch \| 46 Millimeter NSK 7213CTRDULP4Y Precision Ball Bearings	Cast Iron	Uncoated	Contact Seal	0.4375 in
0.984 Inch \| 25 Millimeter x 1.654 Inch \| 42 Millimeter x 0.354 Inch \| 9 Millimeter NTN 71905HVUJ94 Precision Ball Bearings	Cast Iron	Round	Lubrication Fitting	Spherical Roller
FAG HS7008-E-T-P4S-UL Precision Ball Bearings	Light	Open Type	13.2	28200
FAG HS7008-C-T-P4S-K5-UM Precision Ball Bearings	Four-Bolt Piloted Fl	9.3750 in	Double Lip Contact	Collar Mount
FAG HS7008-C-T-P4S-UL Precision Ball Bearings	94	160mm	720	0.02 KGS
FAG HS7008-C-T-P4S-K5-UL Precision Ball Bearings	1-1/8 in	1780 lbf	Set Screw	3/8
FAG HS7007-E-T-P4S-UL Precision Ball Bearings	-10 to +110 &de	30 mm	Single Row Non-Fill	1.1 mm