Have you ever wondered how things like in line skate wheels and electric motors spin so smoothly and quietly? The answer can be found in a neat little machine called a bearing. It makes many of the machines we use every day possible. Without it, we would be constantly replacing parts that wore out from friction.

How Bearing Works:

Things roll better than they slide. The wheels on your car are like big bearings. If you had something like skis instead of wheels, your car would be a lot more difficult to push down the road.That is because when things slide, the friction between them causes a force that tends to slow them down. But if the two surfaces can roll over each other, the friction is greatly reduced.

It reduces friction by providing smooth metal balls or rollers, and a smooth inner and outer metal surface for the balls to roll against. These balls or rollers "bear" the load, allowing the device to spin smoothly.

Types:

There are many types of bearings, each used for different purposes. These include Hybrid Ceramic Ball Bearings, Air Bearings, Roller Bearings, Ball Transfers, High Precision Miniature Ball Bearings, High Temperature Bearings, Oscillating Bearings, Deep Groove Ball Bearings, Filament Wound Bearings, Plastic Bearings, Thin Section Bearings and Insert Ball Bearings with Housing.

Leading Singapore Bearing Distributor:

PBA (S) Pte Ltd is an integrated, one-stop solutions provider of bearing solutions, linear systems and other mechanical precision components as well as OEM equivalent parts. For over 20 years, PBA (S) has continued to provide the highest quality products and coupled with superior value-added customer service.

PBA (S) Pte Ltd

505 Yishun Industrial Park A
PBA Building
Singapore 768733

Tel : +(65) 6576 6766
General Enquiry / Sales: [email protected]
Website : www.pba.com.sg

A bearing is a tool used to reduce the friction that occurs in machines. Friction is a kind of force which opposes the movement of a surface in sliding or rolling motion over another surface with which it is in contact. Bearings bear the frictional force which is set up by the moving surface of a machine part.

Bearings are categorized according to how they operate and the motions that they allow. The two common motions are linear and rotary. Bearings which allow linear motions are called linear bearings. These bearings allow motion in a straight line. An example of linear motion is the pulling and pushing of a drawer. Rotary motions, on the other hand, involve one direction rotation and oscillation, wherein the motion goes only through a part of a cycle, such as in the case of a wheel. Rotary bearings, therefore, allow motions which are concentrated on a center, like a wheel on a shaft.

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There are different types of ball bearings available to cater to the needs of various industries. Ball bearings are the most common of them all. The other options include Cylindrical Roller Bearings, Needle Roller Bearings, Spherical Roller Bearings and more.

Ball bearings have a wide usage and are found in number of objects and accessories. The usage varies from industries like industrial, manufacturing, automobile, electrical, mechanical, computing and many more.

The specifications and features of bearings can vary as per their types they can be custom made to suit the needs and can also be made available as per industry requirements. Ball bearings have the capability to handle both radial and thrust loads, and are usually found in applications where the load is relatively small. They are capable of performing at high speed. But the bearing should not be overloaded as it may cause the balls to get ruined.

Bearing suppliers have a greater requirement in automobile sector and make its presence felt many ways. The quality and performance matters to a huge extent and has substantial effect on pricing and availability. The exact needs are determined to serve the customers in the right way to come up with desired solutions.

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One more way to reduce costs for screw drive bearings

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Ball transfer units consist of a large load-ball that sits upon small balls encapsulated in a hemispherical cup.
It enables conveyer-line effective operation.

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Spherical Roller Bearings are used wherever pivoting, high load bearing applications are found. Most typically, PBASystems spherical plain bearings are employed in hydraulic cylinder rod ends, vehicle suspensions, heavy equipment articulated joints, and other severe duty uses. Industries served include off-highway mobile construction equipment, large agricultural machinery, mining equipment, forestry products, and other large equipment requiring bearings that provide misalignment capabilities while carrying high loads.

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PBA Singapore Roller to solve a host of problems associated with old-style needle roller cam followers.

The Superior Alternative

•     PBA Singapore Roller cam followers are available in sizes from 1" in roller diameter — an industry exclusive.
•     Invented by RBC to solve some of the toughest machine and product control guidance challenges.
•     Double row of cylindrical rollers delivers tremendous operating advantages in an economical package.
•     Repair and replace cycle is greatly reduced — PBA Singapore Roller cam followers operate up to 5 times longer.
•     “Lubricated for life” — No more need for periodic relubrication or expensive automatic lubrication systems.
•     Operate at much higher rotary speeds — PBA Singapore Roller cam followers operate at speeds up to 2 times higher.
•     Increase load carrying capacity without increasing cam follower size — Up to double the dynamic load rating.
•     Unique contacting lip seals provide positive protection against contamination while keeping grease inside.
•     Specialty configurations (i.e., double outer ring) and corrosion resistance (thin, dense chrome plating) available.

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PBA Singapore offers an extensive heavy duty needle roller bearing product line from 1 inch outer ring OD to 12.125 inch outer ring OD. PBA Singapore heavy duty needle roller bearings can be found in helicopter rotors and transmissions, marine crankshafts and connecting rods, gear pumps, oil field pumping jacks, and mud pumps.

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PBA Singapore offers a complete line of large inch and metric cylindrical roller bearings from 2 ¾ in. (70 mm) to over 60 in ( 1,500 mm) for a wide range of applications including:

•     Industrial gear boxes
•     Steel and Rollling mill    
•     Corrugators
•     Mining and quarrying

For more Bearings and Components , please visit

http://www.pba.com.sg/products/types-and-brands/bearings-and-components.html

For enquiries on any of our products, email us at enquiries[@]pba.com.sg or call us at +(65) 6576 6766