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Koyo SAC2047BG angular contact ball bearing with a straight bore. Designed for combined radial and axial loads in high-speed applications such as machine tool spindles and pumps.
MODEL SAC2047BG
$165.07 Each
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Brand
KOYO
Product Detail
Ball Screw Support Bearing
Product Specification
Ball Screw Support Bearing; 20MM Bore; 47MM OD
Type
Bearings
UNSPSC
31171500
The SAC type support bearings are angular contact thrust ball bearings specifically for supporting the screw shafts of precision ball screws. The bearings supporting the precision ball screws correspond to the type with contact seal.
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- High rigidity - has higher rigidity against axial load than conventional standard bearings
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- High precision - a high precision bearing suitable for precision ball screws
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- Preload adjustments not required - preload is preadjusted to ensure an adequate preload after mounting
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- As a result, complicated adjustments are not required during mounting
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- Low torque - requires lower friction torque than the tapered roller bearing or thrust roller bearing
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.
#276169
Brand
NTN Bearing
Model
BST20X47-1BP4
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