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Koyo 7340B-5G CNFY is a single-row angular contact ball bearing with a 200 mm straight bore. Part of the 73 series, it features a 40° contact angle and improved internal geometry (5G). Suitable for high-speed, high-precision applications such as machine tool spindles and pumps.
MODEL 7340B-5G CNFY
$6,691.81 Each
Prices are subject to change
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Bore Diameter
200 mm
Cage Material
Machined Copper Alloy
Closure Type
Open
Contact Angle
40 Degree
Dynamic Load Capacity
541 kN
Maximum RPM
1200 rpm Grease/1700 rpm Oil
Number of Rows
1
O.D.
420 mm
Series
73B
Static Load Capacity
602 kN
Type
Type G Caged Medium
Width
80 mm
Angular contact ball bearings are suitable for applications which require high accuracy and good high-speed performance. This type of bearing is designed to carry a combined load.
.How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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