What are the types of flange screw bearings?

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Flange screw bearings, commonly referred to as flange bearings or flange mounted bearings, are used to support shafts and offer a secure mounting surface with a flange. There are several types, each suited to different applications.

Flange screw bearing type

1. 2-Bolt Flange Bearings

Description: These have a circular flange with two mounting holes.

Common Use: Used in light-duty applications where space is limited.

2. 3-Bolt Flange Bearings

Description: These have a triangular flange with three mounting holes.

Common Use: Provide a more stable mounting than 2-bolt versions, often used in agricultural and industrial machinery.

3. 4-Bolt Flange Bearings

Description: These have a square or rectangular flange with four mounting holes.

Common Use: Used in heavy-duty applications due to their secure and stable mounting.

4. Piloted Flange Bearings

Description: These have a central pilot that fits into a corresponding hole in the mounting surface for added alignment.

Common Use: Provide precise alignment and are often used in high-precision machinery.

5. Pressed Steel Flange Bearings

Description: Made from pressed steel, these are lightweight and economical.

Common Use: Suitable for light-duty applications where cost is a concern.

Spindle Bearings

6. Cast Iron Flange Bearings

Description: Made from cast iron, these are more robust and durable.

Common Use: Used in heavy-duty applications where strength and durability are essential.

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