Bearing housings are a crucial component in many mechanical systems, and choosing the right one can significantly impact performance and longevity. There are several types available, each suited for different applications. Here are five common options to consider:

• Pillow Block: Also known as pedestal housings, pillow blocks are among the most commonly used. They provide strong support for shafts where the mounting is parallel to the shaft axis. These units come in various configurations with adjustable bolt holes. A variation called pressed steel pillow block bearings is ideal for lighter-duty tasks.
• Flange Housing: The second most popular type, flange housings are typically round or square and secured with two, three, or four bolts. They are often used in conveyor belts, elevator systems, and rod-end units. Rod-end units feature an eye-shaped head that allows for swivel movement. Flanges also include hanger mountings like single boss, double boss, or triple boss designs.
• Special Housings: Some manufacturers create custom housings for specific industries. For instance, water-cooled housings are designed for use in steel mills with continuous casters. You can also request custom designs for unique projects.
• Tapered Roller Bearing Housings: These are used in applications like material handlers, air-handling equipment, and shredders. Selecting the right housing depends on the load and mounting conditions. If the load is at an angle, the mounting bolts must be strong enough to prevent slippage.
• Cylindrical Roller Bearing Housings: Most cylindrical roller bearings are designed with a single row and a cage. They handle heavy radial loads and high-speed applications. One-piece housings are recommended for cranes, motors, and conveyor rollers, while split housings suit heavy rail vehicles and dryer cylinders.
• Split Plummer Block Housing: Commonly used for self-aligning ball bearings and spherical roller bearings, these housings are available in multiple designs, reducing the need for custom orders. Made from grey cast iron or spheroidal graphite iron, they are widely used in mining, metallurgy, and pulp and paper industries.

Bearing housings can be made from materials such as ductile iron, cast iron, pressed steel, or aluminum. Aluminum requires a tighter fit due to its thermal expansion properties. Choosing the right material depends on the application's demands and environmental conditions.

If you want to learn more about proper oil application methods for roller bearings, check out Noria Corporation's article "How to Determine the Correct Oil Application Method".

Have questions about bearing housings or need guidance on selecting the right one? Contact our team of experts today for personalized assistance.