Bushing Grease Groove Design

Bushing Grease Groove Design, Cast Bronze Bearings Supplier | Get Your Bronze Parts Today‎


casting bronze bearings  are ideal for applications involving oscillatory movements, both axial and radial. Common applications are:

  • Offshore
  • Dredging industry
  • Mechanical engineering
  • Elevators


Highest quality guaranteed – Bushings and Bronze Bearings.

A vast inventory of bars and bushings giving customers a direct delivery service.

Machined casting bronze bearings offer technically and economically favorable bearings solutions. It is with high load capability, low weight, and good corrosion resistance. Viiplus can offer different types of bronze alloys according to the required lifetime, service…etc. The tolerance is much tighter than wrapped bronze bushes.

Casting Bronze Bearing

Oil & Grease Groove Bushings

Lubricating Parts Material


The high performance casting bronze .

Max. dynamic load: 100N/mm2

  • Max. Temperature: 300 [ °C ]
  • Base Hardness: HB210-270
  • Friction coefficient: <0.16
  • Highest sliding speed: dry 0.4m/s; oil 5m/s
  • Quality Standard: DIN 1494

Structure Characteristics and Applications

Bronze Bearings is based on the copper alloy. It offers technically and economically favorable bearings solutions. It is of high load capability, low weight and good corrosion resistance. Bronze Bearings can offer different types of bronze alloys according to the required life time, service etc. The tolerance is much tighter than wrapped bronze bushes. This kind of products are widely used in machine-tool, agricultural machinery, crane electro motor, spring pin, steering shaft and transmission, etc. We can use different copper alloy material as per customer’s requirements.

Our Cast Bronze Bushings are machined from continuous cast bronze CuSn6Pb6Zn3 for superior quality and performance. The continuous casting process assures a uniform bronze structure throughout the bearing, free from porosity and hard particle inclusions commonly found in other cast processes.

Material  and Properties
Standard Casted Bronze Bronze Bronze  Bronze
Material CuZn25Al5Mn4Fe3 CuSn6Pb6Zn3 (CuSn5Pb5Zn5) CuAl10Ni5Fe5 CuSn12
Density 8.0 8.9 8.9 8.5
Hardness HB >210 >95 >70 90~150
Tensile strength N/mm² >750 >260 >200 440
Tensile strength N/mm² >450 >150 >90 230
Yield strength 10-5/℃ 1.9 1.8 1.6 1.9
Limit Temp ℃ -40~+300 -40~+400 -40~+400 150
Max.load N/mm² 100 70 60 90
Guideline for assembly Shaft Tolerance e7
House Tolerance H7


1. It can work without oil for long time

2. High load capacity

3. Inner Diameter machineable parts are available against order

4. High level thermal conductivity

5. Minimum overall dimensions

Cast bronze bushing grease groove:

cast bronze bushing  is a very key part of the copper castings in cone crusher. Its role is: a, reduce the sliding friction of equipment in operation, reduce power loss; b, greatly increase the wear-resistant parts of cone crusher. Service life, reduce maintenance and maintenance costs, strive for higher equipment utilization rate; C. Effective protection of steel parts in contact with them from wear, when copper parts wear easily replaced. The upper circular plate is installed at the lower top of the main shaft of the cone crusher and above the middle friction disc. The pressure is very large, and his material and size requirements are relatively high. Especially the clearance between him and the middle friction disc is the most important technical difficulty. Because of the errors in manufacturing and installation, it is easy to cause malignant equipment accidents such as bronze bushing cracks or even comminuted fracture or excessive friction resistance in operation. The burning of tiles occurs in the equipment. Therefore, the key to the normal operation of the equipment is to select the cast bronze bushing  with guaranteed material and processing size. The wear frequency of cast bronze bushing  is higher.

Bushing grease groove design

Choose your Oil Groove Types:


Choose your Bushing Size:

In addition to our standard groove options we also offer grooves filled with graphite.

National Loop National Multiple Loop National Multiple Circular National Plugged

Groove Style Cross Reference Names:

Bunting 5G Bunting 7A Bunting 9 Bunting 8
Johnson M Johnson N Johnson L Johnson P
Buckeye K Buckeye L Buckeye H Buckeye J


  • High load capacity
  • Wide range of use
  • Long lifetime
  • Wide range of temperature

Type of applications

machine-tool, agricultural machinery, crane electro motor, spring pin, steering shaft and transmission


  • Cylindrical bearings
  • Flanged bearings
  • Thrust washers
  • Plates
  • Drawing details

Technical information on the data sheet

The bushings are widely used in injection molding machine frame, automobile mold, engineering machinery, hydraulic cylinder, large gear box, metallurgical continuous casting machine, train support steel rolling equipment, mining machinery, ships, turbines, crane support, food machinery turbine bearings.


The viiplus company has long been committed to the research and promotion of self-lubricating bronze bearings products, as well as the professional manufacture of various materials of bronze sleeve and wear-resistant plate. And synchronous supporting copper casting plant and advanced production, inspection equipment. Bronze Bearings are widely used in automotive, injection molding machines, mold manufacturing, construction machinery, mining metallurgy machinery, construction machinery, textile machinery, food machinery, water conservancy machinery, shipbuilding and aerospace and other fields. More than 60% of the bronze parts are sold to the overseas high-end market.

Adhering to the characteristics of “precision, professional and efficient”, we provide customers with high quality, safe and reliable products and services.


Bronze Bushings Assembly

Also known as the bronze bushings, the bronze bushings is used in sliding and rotating machinery to reduce friction while driving thrust and supporting fixation. The bronze bushings needs oil to lubricate the bearing. Bronze bushings is a variety of brass alloy production for mechanical parts lubrication. Self – lubricating bronze bushings, self lubrication is required. Graphite bronze bushings no need for oil lubrication. Bronze bushing can be used on a variety of large, heavy machinery, is an important component of machinery.

Mounting Advise

  • Housing: Chamfer min. 1.5 mm x 15-45°, for easy bushing alignment
  • Shaft: Chamfer 5 mm x 15°, for easy insertion of the shaft
  • VIIPLUS advises to use a force fitting mandrel for the installation of the bushing. It might be necessary to apply some grease on the outer surface of the bushing when press fitting it into the housing.
  • Freeze fitting is suitable for diameter > 130mm, dry ice or liquid nitrogen can be used.

We specialize in manufacturing self-lubricating bearings

  • bronze-bearings-groove-beaeings


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