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2023-09-07

What are the dimensions of turntable bearings?

Turntable bearings, also known as slewing bearings or slewing rings, come in a wide range of sizes and dimensions to accommodate various applications. The dimensions of a turntable bearing can vary significantly depending on factors such as load capacity, rotational speed, and the specific application's requirements. However, I can provide you with a general idea of the typical dimensions you might encounter for turntable bearings.

Outer Diameter (OD): The outer diameter is one of the most critical dimensions and can range from a few inches to several meters, depending on the bearing's size and intended use. Larger bearings are used in heavy-duty applications, such as construction equipment or wind turbines, while smaller bearings may be used in industrial machinery or robotics.

Turntable bearings

Inner Diameter (ID): The inner diameter is the opening in the center of the bearing where the shaft or pivot point passes through. Like the outer diameter, the inner diameter varies widely and is designed to accommodate the specific needs of the application.

Raceway Diameter: Turntable bearings consist of two rings with raceways. The diameter of the raceway on both the inner and outer rings is a critical dimension, as it determines the contact points for the rolling elements (balls or rollers). This dimension affects load capacity and stability.

Height or Cross-Section: The height, or cross-sectional thickness, of the bearing is another critical dimension. It can vary from a few inches to several feet for large, heavy-duty bearings. The height is essential for determining the overall profile and stability of the bearing.

Number of Mounting Holes: Many turntable bearings have mounting holes around the perimeter to facilitate attachment to other components. The number and size of these mounting holes vary depending on the bearing's size and design.

Turntable bearings

Load Capacity: The load capacity of a turntable bearing depends on its dimensions and design. Larger bearings with larger raceways and thicker cross-sections typically have higher load capacities.

Rotational Speed: The bearing's rotational speed rating is also crucial and depends on its size and design. Smaller bearings are typically rated for higher rotational speeds than larger bearings.

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For more detailed information on the dimensions of turntable bearings, please click to visit: https://www.prsbearings.com/a/news/turntable-bearing-dimensions.html

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