Your Bearing Guide
A mechanical part that supports a moving joint, is the definition of a bearing. A ball bearing is a type of rolling element that’s used to separate the races and reduce rotational friction.
Bearings play a critical role in the operation of many applications. So, it’s no surprise that our most frequent engineering conversations are centered around precision bearings.
Learning about bearing calculations and nuances ‘on-the-go’ can get overwhelming, which is why we’ve created this online bearing hub: To offer a robust knowledge center for bearing support.
No matter where you are in your bearing knowledge or engineering project, this hub is designed to get you the information you need – fast!
Table of Contents
- Your Bearing Guide
- How to Choose a Bearing
- Types of Ball Bearings
- Bearing Lubrication
- Ball Bearing Fits & Tolerances
- Understanding Bearing Load Types
- Ball Bearing Preload
- Bearing Performance Calculations
- Preventing Bearing Failures
- Bearing Precision Standards
- Why GMN
- How We’re Different
- GMN’s Quality 360
How to Choose a Bearing
There are many different types of bearings available today with very little information on the differences between them. Maybe you’ve asked yourself “which bearing will be best for your application?”
In this article, we’ll cover five factors to consider when choosing a bearing.
Types of Ball Bearings
1. Angular Contact Bearings
Angular contact bearings are crafted for precision and are a great choice for applications that:
- Operate at high-speeds
- Need bearing load support
- Have tight tolerance requirements
Read more about angular contact ball bearings.
2. Does Your Application Need Radial Bearings?
You’re designing an application and trying to find the best bearing to support its operational requirements. Maybe you’re thinking that a radial ball bearing is the bearing to go with but aren’t sure. If so, this article is for you!
This radial ball bearing guide will help you know if you’re choosing the right bearing for your application.
We will cover three key pieces of information you should know before deciding if a radial ball bearing is best for your application:
- Internal Clearance
- Bearing Fits on Shaft and Housing Units
- Radial Bearing Material
Read all about this and more in our radial ball bearing guide.
3. Ceramic Hybrid Bearings
Hybrid ball bearings provide advantages over the industry standard 52100 bearing steel bearings, but will your application benefit from the added advantages a ceramic ball bearing provides?
This article covers:
- Hybrid bearing advantages
- How to know if your application would benefit from a hybrid bearing
- Specific types of applications that use ceramic bearing
Read our article on hybrid bearing advantages.
Lubricating a precision bearing optimizes the success and extends the lifespan of all applications. But, what are the differences in all the bearing lubricant options and when should you choose one over the other?
In this article, we’ll answer these questions and more as we dive deep into the world of ball bearing lubrication.
Ball Bearing Fits & Tolerances
Machined parts and components all have tolerance standards when manufactured. During operation, temperatures rise causing the bearings, shaft, and housing to expand, along with their respective tolerances.
Being prepared for these changes, when machining a shaft and housing, will ensure that you are choosing the correct bearing and fit for your application.
In this article, we’ll cover the resultant fits and why tolerancing & fits are important.
Understanding Bearing Load Types
Bearing load plays a major part of bearing performance and lifespan. Make sure to know the type of load and amount of load that will be applied to your bearing when designing a new application.
In this article, we’ll explain, in detail, the four main types of bearing loads so you know how to select a bearing that will optimize the success of your machine.
Ball Bearing Preload
Preload is a predetermined amount of axial force that’s applied to a bearing to align the bearing raceways. Preload optimizes the ball spin to roll ratio, increases application rigidity and enhances the synergy between the ball and bearing raceway.
We have two articles that breakdown ball bearing preload. The first preload article gives you a basic introduction of what preload is and why it’s important. Our second preload article goes over more advanced concepts and preload strategies.
1. Understanding the Basics of Bearing Preload
In this article, we’ll go over the three types of preload, factory, spring and application preload. You’ll know the benefits of preloading bearings and the difference between each.
2. Three Things That Could Change Your Bearing’s Preload
Sometimes a preload needs to be optimized or adjusted, sometimes it doesn’t need any adjusting. Regardless, you should probably be aware of three outside influences that can alter a bearing’s preload value, they are:
- Application Speed (RPM)
- Application Load / Load Type
- Assembly Materials
Understanding how these three factors affect bearing preload will give you the knowledge to counteract them and create a strong bearing preload strategy. Read article >>
Bearing Performance Calculations
When an application is getting designed, bearings are being selected and evaluated. Having a theoretical bearing performance analysis performed can be an invaluable tool for an engineer.
A bearing performance analysis:
- Predicts how well a bearing will operate in an application
- Saves hours “trying to guess” how a bearing will perform
- Saves money because it’s getting done before any parts are made
- Optimizes the application’s design for max performance and bearing life
We’ve written these calculation articles to dive into the common bearing calculations that are performed during a bearing analysis and why they are important.
Please note: These calculations will focus primarily on angular contact ball bearings, but most of these are applicable to other bearings as well.
1. Calculating the Bearing Contact Angle
Static and dynamic contact angle calculations will help you estimate the changes that will happen to the contact angle when it’s installed and in operation.
These calculations are important because outside influences could make the contact angle too high or too low. Read Article>>
2. Shaft & Housing Calculations
The dynamic shaft and housing calculation will analyze whether the thermal effects and centrifugal force will change the bearing’s fit on the shaft and housing unit. Read Article>>
Preventing Bearing Failures
In a perfect world, bearings would barely be thought about because they’d perform so well.
But outside factors can have a dramatic effect on bearing performance. This article will explain x# common bearing problems and how to prevent them. Read article>>
Bearing Precision Standards
Manufactured bearings aren’t all created equally. There are industry tolerance standards to create consistency and to ensure a uniform product is manufactured.
Read all about precision tolerance standards.
Our mission is to be a full-cycle resource for our customers through speed, agility and expert-level support. This empowers us to enrich the lives of our family, friends and community.
At GMN Bearing USA, we’re proud of what we do – helping engineers, spindle rebuilders and distributors find the right high-precision component… Fast!
We opened in 1994 and are located in Houston, Texas. We are a precision component supplier of GMN manufactured products. Read More>>
How We’re Different
When selecting precision components, there are a lot of brands to choose from. We strive to build relationships, not just sell a precision component. We want to be on a first-name basis with our customers and be known for Quality in all we do.
Whether it’s shipping a precision component to a distributor or partnering with an OEM engineer to offer engineering support for a new application. We provide a quality-driven approach to all your precision needs. Read More >>
GMN’s Quality 360
Our quality measures go above what’s required of ISO standards, we check and triple-check every step from manufacturing to production to receiving and shipping.
You might say we have control issues and we’re ok with that because we like the end results. For example, our quality control process for receiving and shipping has an internal accuracy rating of 99.9%. That means, what you order gets shipped out correctly, 99.9% of the time.
In this article read all about our Quality 360 approach to business.