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Oilless Bushing

1 in stock

Our Oilless Bushing has been developed for high load, low-speed applications and is made of rotational cast high-strength bronze using a specially formed graphite plug as a lubricant.

Description

Oilless Bushing, incorporate high-quality copper alloy-based metals with engineered solid lubricant plugs. These bearings are designed to accommodate a wide variety of application requirements demanded by today’s equipment.
Precise tolerances utilizing strategic plug location and plug compounds ensure performance delivery and lubrication-free service. This bearing style is available in standard inch, metric, and made-to-order sizes. It provides extreme temperature limits and high load capacity performance. Available in journal-style bearings and flat wear plate.

Material Features

·Allows maintenance-free and long-life operation
·Suitable for high static and dynamic loads
·With low and smoothly coefficient of friction and without stick-slip effects
·Suitable for dirty, corrosion, impact load, and edge loading
·The base material provided a good shock-absorbing capacity
·Can be used over a large temperature range
·Suitable for reciprocating, rotating, and oscillating movement with start frequency
 and difficulty to form oil film occasions
·With low wear rate and long life service.

How does It work?

When the mutual friction occurs between two non-lubricated surfaces, the two contract with the uneven surface of the peak by the shear, stick-slip
and plastic deformation giving rise to friction and wear. Conventional lubricants can significantly reduce these effects, however, the conventional
lubricant will be more and more squeezed out of the contact area with an increasing surface which formed the dry friction or boundary lubrication.

Typical Applications

The product is widely used in continuous casting rolling machines, mining machinery, shipping machinery, turbine, injection machinery, auto mold
and so on.
StructureCuZn25Al6Mn4 Bronze with solid graphite lubricant inserts
(alternative specifications are available on request)
 PV (N/mm² x m/s)3.3 max
Static load (N/mm²)100 max
Sliding speed (m/s)0.3 max
Operating temperature (°C)Up to 300
(alternative specs up to 400)
Coefficient of thermal expansion19 x 10-5/°C
Coefficient of friction0.16
Hardness (HB)210 min
Tensile strength (N/mm²)750 min
Elongation (%)12 min
Density (g/cm³)8

Basic Advantages of Oilless Bearings

In the industrial world, there are various types of bearings to choose from. The application of machinery that you are running, will dictate what bearing you purchase. Oilless bearings are manufactured from a material that incorporates its lubrication in the form of powdered graphite. These types of bearings are also known as self-lubricating bearings. As a result, there is no oil or external lubricant required for these bearings to operate at their best. Some of the basic advantages of making use of these types of bearings are as follows:

  • There is little to no extra lubrication required for the bearing to be functional.
  • Friction is well-managed by these bearings and resistance performance is good.
  • Mechanical accuracy can be ensured with the quick and effective response and functioning of the bearing.
  • Oilless bearings can reduce mechanical vibration and reduce operating noise. In many industries, this type of bearing is in demand. At VIIPLUS, we present a range of durable and reliable bearings to the market. Each of these is designed to offer a long service life and will certainly not let you down. We design, manufacture, and supply a range of composite self-lubricating bearings that we have absolute confidence in. Our head office is based in China and we currently present our products to various countries, including marine, petrochemical, mining, iron and steel, civil, automotive, and materials handling.

Get A Free Quote With VIIPLUS

We are an international concern with our focus on manufacturing our products according to strict ISO requirements. For the peace of mind of our clients, we ensure that our ISO certificates and BEE status are made available for perusal on our website.

When it comes to choosing bearings for your industry and the application that you are running, it is best to know precisely what you are looking for. If you are unsure, we always encourage clients to chat to us about their requirements and the demands of their industry, so that we can advise them on viable products and processes.

If you are looking for a range of oilless bearings that simply will not let you down, then VIIPLUS has just what you need. Take the time to chat to one of our knowledgeable consultants about our range of bearings and soon you will be provided with a product that perfectly manages the task at hand. At VIIPLUS, we are pioneers of technology and want nothing more than to provide you with a product and service that is effective and offers value for money.

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