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Bronze Bushing With Grease Groove – Custom Bearing Assemblies

Bronze bushing with grease groove is made of solid aluminum bronze with pre-drilled mounting holes and grease grooves. Standard sizes are shown. If a standard size won’t do, Viiplus can easily make a custom size. Please call us for more information.

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Why Set The Grease Groove Of Bushings?

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In general, the bushing structure without grease grooves is mainly suitable for bearings with small sizes and low load capacity. For sliding bearings with large sizes and high load capacity, oil grooves are essential to achieve good lubrication and heat dissipation.

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bronze bushing with grease groove
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The benefits of oilless bronze bearings

Custom Made Bronze Bearing – Bushing Grease Groove Design

Oilless bearings are the key components in mechanical equipment, and their good lubricating performance can ensure the stable and reliable operation of mechanical equipment.

Effect Of Grease Groove On Lubrication Performance

With the continuous improvement of structural requirements for various types of mechanical equipment, the requirements for bearing lubricating performance are also increasing. The oil groove structure has a great influence on the lubricating performance of the bearing. Grease groove improves friction and wears performance.

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bronze bushing with groove,SAE 841 bearing
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Benefits Of The Bronze Bushing With Grease Groove

  • Increase Lubrication Effect:

Oilless bearings are generally used in environments with high bearing capacity, and parts with high bearing capacity need more lubrication, otherwise, they are easy to lock. Therefore, oil grooves and oil holes are generally used for lubrication.

  • Bronze Bushing With Grease Groove Survival in a hostile environment

Where the sliding bearing environment is relatively harsh, part of the garbage can be brought out through the oil groove.

  • Longer Life & Costing Save

The oil-free bushing is generally self-lubricating bearings, which need a longer life, with oil grooves and oil holes. If you continue to refuel, your life will be longer.

Bronze Bushing With Grease Groove – Longer Life

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Bushing Grease Groove Design Principle

  1. Ensure that the flow of lubricating oil can meet the requirements of system lubrication and heat dissipation
  2. The lubricant should be fed into the bearing from the point where the oil film pressure is minimal
  3. The grease groove should be opened in the non-load area, otherwise it will reduce the load capacity of the oil film oil groove
  4. Grease groove should not be opened in the axial direction, so as not to lose a lot of oil from the end of the oil groove.
  5. Horizontal mounting bearing oil groove open half circumference, do not extend to the bearing area, the full circumference of the oil groove should be opened near the end of the bearing.

The benefits of oilless bronze bearings

Where should oil holes and grooves be located?

Oil holes and oil grooves can only be opened in the non-load-bearing area;
The axial oil groove cannot be opened along the bearing width to prevent end leakage.

Correct Grease Groove Tank Arrangement And Location Selection

To ensure the custom bearing capacity, the bearing with a higher load is better not to open the oil groove. The grease groove of the bearing is best arranged in the low-load area. If the oil hole is arranged in a high load area, it will cause the grease groove pressure leakage, destroy the bearing’s bearing capacity, and cause insufficient oil supply. So the location should be chosen reasonably according to the calculation of the shaft track.

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Grease Grooves In Bushings – Reliable Manufacturer

  • An oil groove is provided on the bearing surface to store lubricating grease and evenly smear the whole lubricating surface to reduce friction and mechanical wear.
  • We have extensive expertise in grooving and offer a full range of groove styles – from simple straight and circular grooves to double loops and double-figure eights.
  • Groove selection can be influenced by many things such as operating temperature, type of lubricant, supplemental lubrication feed system, load, etc. Any of the standard bearings listed in our catalog can be grooved, graphite, drilled, or re-machined in many ways to handle of variety of requirements.
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Bushing Grease Groove Supplier & Manufacturer

Good lubrication is essential. And to ensure good lubrication, in addition to the selection of good lubricants, also have a suitable groove, in order to store lubricating grease and evenly coat throughout the lubrication surface, so as to form a certain bearing capacity of the oil film, reduce friction and mechanical wear. Therefore, the role of the groove is particularly important.

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Bronze Bushing

Made From Self-Lubricating oilless brinze

Custom & Special Grooving Patterns – Bushing Grease Groove Design

bronze bushing with grooves
bronze bushing with grooves

What is the best material for copper sleeves for equipment?

High hardness, excellent wear resistance, not easy to cause seizure, good composite bushing casting performance and cutting performance, good corrosion resistance in the atmosphere and freshwater.

Equipment copper sleeve material:


High hardness, excellent wear resistance, not easy to cause seizure, good casting performance and cutting performance, and good corrosion resistance in the atmosphere and fresh water.

It can be used for wear-resistant parts that work under high load (below 20Mpa) and high sliding speed (8m/s), such as connecting rods, bushings, bearing bushes, gears, worm gears, etc.


Corrosion resistant, especially to dilute sulfuric acid, hydrochloric acid and fatty acids.

Structural materials, corrosion-resistant and acid-resistant accessories, as well as crusher bushings and bearing bushes.


Good lubricity, wear resistance and corrosion resistance, suitable for bimetal casting materials.

Vehicle bearings, internal combustion engine bimetallic bearing bushes with a peak load of 100Mpa, piston pin sleeves, friction plates, etc.


In the absence of lubricants and water-based lubricants, it has good sliding and self-lubricating properties, easy cutting, poor casting properties, and good corrosion resistance to dilute sulfuric acid.

Bearings with high surface pressure and side pressure can be used to manufacture copper cooling pipes of cold rolling mills, parts with impact load up to 50Mpa, bimetal bearing bushes of internal combustion engines, mainly used for piston pin sleeves with a maximum load of 70Mpa, acid-resistant accessories .


It has good mechanical properties and corrosion resistance, good wear resistance and good cutting performance.

General-purpose structural parts, simple-shaped castings used in ships, instruments, etc., such as sleeves, bushings, bearing bushes, sliders, etc.

Material recommendation

1. ZCuSn6Zn6Pb3, ZCuSn5Zn5Pb5, can be used to manufacture bushings, gears, worm gears and other wear-resistant parts that work under moderate loads and speeds.

2. ZCuSn10P1 is a typical tin phosphor bronze with high hardness and wear resistance. It can be used to manufacture parts that work under heavy load, high speed and high temperature and are subject to strong friction, such as connecting rod bushings, gears, worm gears, etc. .

3. ZCuAl9Mn2, ZCuAl9Fe4, aluminum bronze have high strength, high density and stable chemical properties. Commonly used in valve bodies, worm gears, nuts, pipe fittings, etc.

4. ZCuZn25Al6Fe3Mn3 high-strength aluminum brass, with the highest strength among special brass. It has high strength, high hardness, high wear resistance, moderate plasticity and good corrosion resistance. Therefore, it is used to cast high-load wear-resistant weight on heavy machinery

TypeChemical Composition mass %Mechanical properties
UNS NOCuSnAlFeMnNiSipZnTensile










Tin bronzeC8360084.0-86.04.0-6.00.0050.3__14.0-6.00.0050.054.0-6.02481311560
Special brassC8620060.0-
Silicon brassC87400>79.00.80一_1.002.5-4.012.0-16.037916518100
Tin bronzeC9030086.0-89.07.5-
Leaded tin bronzeC9320081.0-85.067-
Aluminum bronzeC94500Rem.6.0-

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Oil grooving is an essential component in the functionality of many cast bronze bearings. Find Grooved Bronze Sleeve Bearings Supplier, manufacturer, products and specifications on – a trusted source of Grooved Bronze Sleeve .

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