XL Group Manufacturers
Spherical Roller Bearing
A spherical roller bearing has two rows of rollers, a common spherical outer ring raceway, and two inner ring raceways at an angle to the bearing axis. The center point of the sphere in the outer ring raceway is on the bearing axis. Therefore, spherical roller bearings are self-aligning and insensitive to misalignment of the shaft relative to the housing, which may be caused, for example, by shaft deflection.
Types of Spherical Roller Bearings
Spherical roller bearings are designed to withstand heavy radial loads as well as heavy axial loads in both directions. Spherical roller bearings can be divided into the following types according to design and characteristics: sealed spherical roller bearings, CA type spherical roller bearings, E type spherical roller bearings, CC type spherical roller bearings, MB type spherical roller bearings, MA type spherical roller bearings.
Spherical Roller Bearing
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Application of Spherical Roller Bearing
How do Spherical Roller Bearings Work?
All high speed precision spherical roller bearings have the same working principle. They all have outer rings with concave (spherical) inner raceways. The inner rings similarly have convex outer raceways (or rolling elements that create a matching convex sliding surface). The design of their sliding surface separates the various types of spherical bearings. Some are ring-to-ring (such as spherical plain bearings and rod ends), and others use rolling elements, such as balls or rollers between the inner and outer rings.
How to Install the Spherical Roller Bearing?
Cleaning the Bearings and Related Spherical Roller Bearing Parts
Bearing Mounting Methods
Inspection After Mounting
Advantages and Disadvantages of Spherical Roller Bearings
Spherical roller bearings are used in various applications, including mechanical fans, conveyors, mining equipment, off-road vehicles, and wind turbines. They reduce vibration and friction, making machines more durable and efficient. In addition, they can withstand heavy loads and misalignment.
Spherical roller bearings are manufactured in several different ways. Some are made by grinding the machine and then cleaning the bearing with an abrasive material. Others are divisive. Split variants are especially useful in hard-to-access areas.
Spherical roller bearings are available in single row and double row versions. The single-row version is suitable for low radial loads. Double row spherical roller bearing designs are more expensive, but have greater carrying capacity.
On the other hand, ball bearings consist of a row of balls. They are fixed between the cage and the outer ring. Each sphere of the ball is about the size of a golf ball.
Spherical Roller Bearing Design
These Bearings are manufactured with several kinds of material based on the spherical roller bearing application and working environment. Chrome steel is one of the most popular materials used in producing these Bearings because of its durability, yet sheet steel, polyamide, and brass are also used for some applications. One of the essential parts of Spherical Bearings is the cage that holds bearings in their place. That cage is usually manufactured with pressed steel or brass because both materials offer strength and temperature resistance.