Roller bearings are a type of bearing that uses rolling elements to support loads and reduce friction.
Roller bearings typically consist of inner and outer races, rollers, and cages. The inner race is mounted on a shaft and the outer race is mounted in a housing. As the shaft rotates, the rollers rotate about their own axes and roll against the inner and outer races. This rolling motion reduces friction so that the shaft can rotate freely. They have been used since the Roman era in chariots and wheels.
What are they made out of?
Bearings are usually made from steel. The inner and outer races are typically made from hardened steel, while the rollers are usually made from softer steel.
What are they used for?
Bearings are used in a variety of applications, including automotive, agricultural, construction, and mining equipment.
Why do they break and fail?
There are several reasons why bearings can break and fail. The most common causes of failure are listed below.
1. Improper installation: Bearings must be installed properly to function correctly. If they are not installed properly, the rollers can become misaligned and cause premature wear.
2. Misalignment: Misalignment is one of the most common causes of bearing failure. When the bearing is misaligned, the rollers can rub against the races and create excessive friction, which can damage the bearing and cause it to fail.
3. Lack of lubrication: Bearings need to be properly lubricated to function correctly. If the bearing is not properly lubricated, the rollers can become damaged and cause the bearing to fail.
4. Contamination: Bearings can be contaminated by dirt, dust, or other debris. This contamination can cause the bearing to fail.
5. Shock loading: Bearings can be damaged by shock loading, which is a sudden force that exceeds the bearing’s capacity. Shock loading can occur if the equipment is dropped or if it experiences a sudden impact.
Are there any disadvantages to roller bearings?
While roller bearings have many advantages, there are some disadvantages to consider. Roller bearings can be expensive, and they require more maintenance than other types of bearings. Additionally, roller bearings are not suitable for high-speed applications.
If you suspect that your bearing has failed, it is important to have it inspected by a qualified technician. Roller bearings are critical components of many machines and their failure can lead to serious accidents.
Overall, roller bearings are very strong and durable. However, they can break and fail if they are not installed properly, misaligned, lacking lubrication, contaminated, or shock loaded. If you suspect that your bearing has failed, it is important to have it inspected by a qualified technician. If you require a replacement roller bearing, Tapered Roller Bearings have got you covered. With a range of affordable bearings, they stock high-quality ones that are sure to do the job correctly.