Those days are slowly fading when you had to spend an entire day at a market to buy angular bearings. It always took more time than was necessary. Additionally, you had to deal with some rather talkative, and some rather annoying shopkeepers. You had to check out different angular bearings at different stores and compare prices to buy the best ones. Sometimes, shopkeepers talked you into buying the more expensive bearings, which you later regretted. Now, you no longer need to do that. You can simply choose to buy angular contact ball bearings and other types of bearings online. Here are some benefits of doing it:
- No Forced Conversations
While all of us enjoy a good conversation now and then, but professional conversations – business to business – are not always the best. They are often dull and mostly forced. When you buy bearings online, you don’t have to deal with a single person unless necessary. You can check as many bearings as you want without buying and not face the judgemental eyes of the salesperson whether you will buy any or not. Choose to sit in the comfort of your office or home, and order whatever and however many bearings you want online.
- Saves Time and Energy
Being in a market and going from one shop to another is exhausting. It consumes a lot of time and energy. You can save on both of them by choosing to buy bearings online. You don’t have to spend an hour or more at one or many shops to buy a few bearings. You can make more efficient use of time and energy by buying bearings online. Sitting in an AC room is more comfortable than toiling outside in hot/rainy/cold weather to buy bearings.
- Wider Range of Products
When you choose to shop online, you get a wider range of products than when you visit a market. Shops, generally, have bearings that are in demand in that area. This means that if you want to buy a bearing for your business that isn’t used by anyone in that area, you will go from one shop to another to look for that bearing and most likely return empty-handed. Online shops do not work according to any area. They cater to many more businesses than a hardware store. As a result, the range of bearings is wider online than in a market. Another good thing is that you can order as many as you like. If the online store doesn’t have it in sufficient quantity, the executives will place an order to the distributor and have them delivered to you at the earliest. Additionally, if you buy directly from the manufacturer, then you don’t even have to worry about the quantity.
Online shopping has entirely changed the way we shop. Whether we want to buy a mobile or a bearing, it’s easy to simply log in to a website, select a product, and it will be delivered directly to your doorstep. It’s an entirely hassle-free experience. So, why wouldn’t one buy bearings online?
Selecting appropriate shaft and housing tightness fits are critical in optimizing a single row radial ball bearing’s performance and life. A bearing can only perform to its full capacity when it is correctly fitted on the shaft and in the housing. Improper fits can lead to undesirable operating conditions and early failure.
Below are some of the common considerations bearing users should consider:
Direction, type, and magnitude of loads
Based on the actual applied axial and radial loads an equivalent radial load is calculated. Generally, tighter fits are required as the load increases. Further, rings subjected to circumferential loading should have tight fits. For rings subjected to only point loading, a loose fit may be used.
Inner or outer ring rotation
Typically, the ring that is rotating requires an interference fit, and the non-rotating ring would have a slightly loose fit.
The size and type of bearing specified
Thin type and miniature bearings are very sensitive to interference fits due to loss of radial play. Bearings with heavier cross sections generally require tighter fits.
Material and manufacturing tolerances of mating components.
Fit tolerances are based on cast iron or steel housings and shafts. For alloys such as aluminum (with a different modulus of elasticity), a tighter fit is required to achieve rigid seating.
Operating temperature
With tight fits and a temperature differential between the inner and outer ring, the radial internal clearance in the bearing is reduced. This must be taken into consideration when selecting the internal clearance. Additionally, if the materials used for the housing or shaft are dissimilar, they will have different coefficients of thermal expansion than the bearing rings. This must be taken into consideration to achieve rigid seating.
Running accuracy required
In order to achieve high running accuracy, the same high standard of accuracy and surface quality expected in the bearing must be applied to the shaft and housing as well. In addition, with miniature and thin type bearings irregularities on the shaft or in the housing are transferred to the relatively thin walled bearing rings.
Want to learn more about radial ball bearings and the factors that can extend or shorten their operating lives? Try AST’s new calculator.
If you need assistance with understanding radial ball bearings fits, our team of bearing experts are standing by to provide engineering consulting and design.
