How to Select a Tapered Roller Bearing

Tapered roller bearings have a number of advantages. These include their high surface contact area and their low bulk. They are also very durable. With no maintenance, they will last for thousands of kilometers of operation. In addition, they are available in a wide range of sizes. Some of the most common bearings are single-row tapered and double-row tapered.

Tapered roller bearings are designed to support both radial and axial loads. This type of bearing is most often used in transmission shafts. However, they can also be used to support a range of other directional loads.

To properly select a bearing, you must consider the type of load it will be used to carry and how it will be applied. In most cases, tapered roller bearings are suitable for a variety of applications. When you are selecting a tapered bearing, it is important to understand how it is constructed. There are several key parts to a tapered bearing, including the cage, cup, cone, and bearings.

A cage is a separate assembly that keeps the rollers in place, preventing them from separating. It also provides an even distribution of load. Most commonly, it is made from a polymer or non-ferrous metal. Other types of cages are also available. The most common type of tapered bearing cage is a pin cage. Pins thread on the rollers, securing them in place.

The bearings themselves can be manufactured in different alloys. For example, through-hardened tapered roller bearings are a combination of different alloys. These are heat treated to give the bearing a hard outer shell.

In order to keep the axial component inside the bearing, you need two opposing bearings. These are usually referred to as tandem bearings. Tandem bearings are typically only used when a larger bearing diameter is not possible or when the bearing cannot accommodate the required axial load.

Single-row tapered roller bearings have a maximum bearing capacity of 0.5 x 106 DN. However, their rated speed is not always accurate, as they can break down in high-speed applications. While there are many benefits to using tapered roller bearings, they do not perform as well as spherical bearings in terms of speed.

A single-row tapered bearing is generally a better choice than a multi-row bearing. They can be easily adjusted and maintained, and allow for the addition or subtraction of individual bearings. Nevertheless, they are not ideal for heavy or combined axial and radial loads. As a result, a back-to-back pair of tapered roller bearings is recommended.

If you are interested in purchasing a tapered roller bearing, the most important specifications you need to know are its overall width and its rated speed. These are calculated based on the minimum film thickness and the number of passes of the roller end on the rib. You also need to take into account elastic deformation effects. Even if the pressure is very small, it is important to account for the effects.

Tapered roller bearings are available in both metric and inch sizes. Often, they are offered as mounted units, which come with piloted flanges and pillow blocks. Depending on your application, you may also want to consider tapered units in a converging or diverging orientation.