Split Bearings

Split bushings consist of highly wear-resistance copper cast alloy whose sliding surfaces are evenly provided with a certain percentage of solid lubricant plugs according to work condition, high-strength copper alloy provides a high load-bearing capacity and the solid lubricant can be formed of low friction film.

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Bronze split bearings are semi-bushings, also called hydrostatic bearings, with or without flange, which can be divided into two, three, or even four parts. They aim to reduce the friction of every movement by adding security, performance, and high performance to the equipment.

Bronze split bearings act as a guide or support for the equipment, increasing its durability and avoiding wear throughout its usage. It is a type of bearing perfect for usage in applications that undertake to spin, rotating, or sliding movements of low speed but much compression.
Normally the bronze bushings are manufactured with dimensions and formats that the client demand and is available in various bronze alloys of the highest quality, such as IBz-41, IBz-31, IBz-34, IBz-55, and IBz-63, to be chosen according to the needs of each project.

Manufacture of Split Bearings

Viiplus receives the design and manufactures parts with the dimensions and the specific profile of the split bearings.

Bronze split bearings are produced in China. The highest technologies in modern equipment and centrifugal casting processes are applied, followed by the precision machining in CNC state-of-the-art machines. The production process is recognized by ABNT and by national and international organizations, thus ensuring a highly reliable product.

The split bearings are ultra-resistant to impacts, abrasions, scratches, and pressure of movements and are produced according to the needs of each client. Based on the customer’s design, with the dimensions and the desired profile, tests and laboratory studies are carried out in advance, before the actual manufacturing of the part takes place.

Features and advantages

1. Insensitive to a dirty environment
2. Resistant to shock loads and vibrations at slow speeds
3. Enable operation with a poor shaft surface finish
4. Good resistance to corrosive conditions

Physical Mechanical Performance
GradeZCuZn25A16Fe3Mn3Coefficient of linear expansion1. 9x10_5/C
Densitty8.2(°C) Max. temp.-40〜+300
(HB) HardnessM210(N/W) Max. load100
(N/iran2) Tensile strength>750Coefficient of friction<0.16
(N/mn2) Yield strength>450Max. PV ( N/iran2 *in/inin)200
(%) Elongation8Compression deformation (SOON/iran2)< 0. Oliran
The largest wire speeddry0. 5m/sThe largest PV value.Without oil1. 65N/mm2 • m/s
oil2id/soil3. 25N/mm2 • m/s

split bearing

double flange bearings

Split Bronze Bearings- Variations and Applications

Here at Viiplus. we manufacture many customs split bronze bushings for numerous customers. There are important variations of split bronze bushings that affect the finished product. Knowing how to request the right type of split bronze bearing can help ensure that you receive a finished part that works for you.

Split bronze bearings are used in multiple industrial applications. They aid in the absorption of shock, and reduction of vibration and noise. The split bushing design can eliminate the need for additional lubrication methods as well as reduce the amount of maintenance needed for optimal operation. Split bushings are also used where a 2-piece housing is present or where quick assembly and easy installation are required.

Types of split bushings

There are three types of split bushings, these are perfect halved bushings, matched halved bushings, and bushings that are split after machining.

Perfect halved split bushings will yield 2 halves of the same size. These halves will also match with any other halves that are manufactured under the same specification. With perfect half split bushings, the halves are interchangeable with any other of the same size halves.

Matched halved bushings will match only with the corresponding opposite half that it was manufactured with. The matching pairs are generally marked with corresponding letters or numbers so the proper halves can be assembled at installation.

Split after machining bronze bushings are bushings that after being finished will not complete a full circle. This is due to the material loss that is occurred when splitting the 2 halves. These bushings are machined just the same as non-split bushings and then are cut in half.

Split after machining bushings are the most economical of the 3 types. The material required for these parts is the same as non-split bushings, the only increase is in an added operation of cutting.

The matched and perfect halved bushings start with a larger stock size than what would be used for a split after machining bushing. This bar stock is cut before machining and then welded together. The larger beginning stock size will make up for the size loss during the cutting stage. After welding the two bar stock halves the bushings are then machined to the finish dimensions. The two halves are then separated. This leaves you with 2 halves that will complete a 360-degree circle.

Perfect halved bushings are the least economical and generally are only specified where the split line is critical to the application.

Additional information


Large, Medium, Small, Xsmall


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