WEBINAR
Deep Groove Ball Bearing
Learn More
Dynamic load assessment and calculation of cylindrical roller bearings is an important step in determining the dynamic loads that the bearing can withstand during operation. Dynamic load is usually used to describe the load on a bearing during rotation or reciprocating motion, and it is closely related to the life of the bearing. The following are some general methods for calculating dynamic loads on cylindrical roller bearings:
Determine the Load Type: First, determine the load type on the bearing, including radial load, axial load and eccentric load. These load types affect how dynamic loads are calculated.
Calculate the Dynamic Load Factor: The dynamic load factor (C) is the basic load rating of the bearing and is usually provided by the manufacturer. It indicates the rated load that the bearing can withstand under standard test conditions.
Calculate Equivalent Dynamic Load: For cylindrical roller bearings, radial load, axial load and eccentric load usually need to be considered. Based on the load distribution of the bearing, the equivalent dynamic load (P) can be calculated using the formula.
Calculate Life: Using the calculated equivalent dynamic load (P) and dynamic load factor (C), the life of the bearing can be estimated using the standard life formula (usually L10 life). Lifespan means that under a certain load and speed, there is a ninety percent (90%) probability that the bearing can still operate normally.
The following is a simplified dynamic load calculation example assuming a radial load and an axial load acting on a cylindrical roller bearing:
P eq: Equivalent Dynamic Load
P r: Radial Load
P a: Axial Load
Once the equivalent dynamic load P eq has been calculated, you can use the bearing's dynamic load factor (C) to calculate life. In practical applications, dynamic load calculations are usually performed using data from the bearing catalog provided by the manufacturer.
Please note that the above method is a simplified example and the actual load calculation may be more complex as it needs to consider multiple factors such as bearing type, size, operating conditions, etc. In practical applications, it is recommended to refer to the bearing manufacturer's technical documentation and catalog to ensure accurate dynamic load calculations.
WEEYH is jointly formed by China's top agricultural machinery parts factories, focusing on the R&D and production of agricultural machinery parts. About 200,000 sets of agricultural machinery related parts are produced by WEEYH'S factories and sent to the world every year.
We have a top testing laboratory, from material analysis to finished product inspection, each link has a corresponding testing process. More than 30 kinds of testing equipment have built the guarantee of WEEYH safety.
Call for online customer support get FREE BEARING SAMPLE
Online Quotation