Flange Bushing


Maintenance free-self lubricating sliding elements, oilless bushing bearings manufacturing company

Welcome to www.viiplus.com

  • Bushings with flange
  • Plugged Graphite
  • Material: CuZn25AI5Mn4Fe3 + graphite

  • Bushings with buffer flange


VIIPLUS flange graphite plugged bushings have been developed for high load, low speed applications and are made of rotational cast high-strength bronze using a specially formed graphite plug as lubricant.

Our  range of flanged bearings are available in metric and imperial sizes. Our in-house machining service is able to produce non-standard sizes to suit specific customer requirements.

Manufacturer Of Oilless Bearing & Guide Components

Maintenance free-self lubricating sliding elements solid lubricant, Flange Bushing, Cast Bronze Bearings.

Mainly Mat. ZCuZn25AI6Fe3Mn3, DIN1709/G-CuZn25AI5, CAC304, C8630, SAE 430B, HTB2,500#SP

Self lubricating flange bearings in extra durable bronze:  To embed the solid lubricant, we recommend the following minimum wall thickness:

  • Wear plates: > 5 mm
  • Bushings: 5 % of ID + 3 mm

Lubrication Bronze Bearing Parts

Graphite with additives is used as lubricant.

After grinding in the die, the die is cleaned. When the sliding elements are dry they should be treated with the “correct” oil to prevent the elements from dry running until the working temperature is reached.

Important: Graphite alone doesn’t have enough lubrication function. The proportion of lubrication on the

sliding surface is 25% – 35%.

Special manufacturing

Flange bushing & customized drawing bushing size

If can not find the standards size, you can contact with us for customized items parts. 

  • Bushings without flange
  • Flange bearing
  • Bearing with buffer flange
  • Plain wear stripes
  • Wear plates with lubricant thickness
  • L-Gibs
  • Multiple area guiding stripes
  • Washers
  • Cover plates
  • Guide bars, Rectangular guid block, Lockings
  • Cam bottom plates
  • Cam stroke plates with/without Guide posts

Bronze Bearing Parts Shapes & forms

Guide bushings, flange bushing, wear plates, washers, guide plates etc.

Sliding elements bronze bearings parts offer the following  advantages:

  •  Maintenance free
  • Wear resistant
  • Low frictional resistance
  • Resistant against short term up to approx. 200 °C
  • No impurity through discharge of lubrication
  • Environmentally friendly
  • Corrosion resistant
  • Insensitive to impact stress
  • Specially suited for oscillating slide motions
  • Stick-slip-free sliding
  • Long life

Bronze Bushing Material for maintenance free sliding elements

  1. CuZn25Al5Mn4Fe3
  2. CuAl10Fe5Ni5
  3. CuSn7Zn4Pb7

Instructions of application

Graphite plugged bronze Flange Bushing is widely used in metallurgy machine, construction machine, ail transportation machinery and other condition where oil is hard to add.

Installation Guideline

  • Housing ØH7
  • Bushing inner-Ø after mountingPls consult our sales engineers, standard delivered tolerance: r6 or E7
  • Shaft tolerance f7 or h6

    Bronze Bushing Material

    ZCuSn6Zn6Pb3 ZCuAl10Fe3 ZCuSu10P1 steel+ ZCuSn6Zn6Pb3 HT250 GCr15
    ISO1338 GCuZn25
    GCuSn6Zn6Pb3 GCuAl10Fe3 steel+ CuSn6Zn6Pb3
    DIN G-CuZn25
    GB-CuSn5Zn5Pb5 GB-CuAl10Ni GB-CuSn10 steel+ CuSn6Zn6Pb3Ni 100Cr6
    JIS HBsC4 BC6 AIBC3 BC3 BC6 FC250 SUJ2
    ASTM/UNS C86300 C83600 C95500 C90500 C83600 Class40 52100
    (BS) HTB2 LG2 AB1 PB4 LG2

    Material composition and properties

    Material composition composition composition composition composition composition composition
    composition CuZn25Al5Mn3Fe3 CuZn25Al5Mn3Fe3 CuAl9Fe4Ni4Mn2 CuSn5Pb5Zn5 CuSn12 HT250 Gcr15
     (g/cm³) 8.0 8.0 8.5 8.9 9.05 7.3 7.8
     (HB) >210 >250 >150 >70 >80 >190 HRC>58
    (N/mm²) >750 >800 >800 >200 >260 >250 >1500
    elongation(%) >12 >8 >15 >10 >8 >5 >15
    Coefficient of linear expansion 1.9 1.9 1.9 1.8 1.8 1.0 1.1
    Temperature(℃) -40~+300 -40~+150 -40~+400 -40~+400 -40~+400 -40~+400 -40~+400
    Maximum dynamic load


    100 120 150 60 70 80 200
    Maximum linear velocity(m/min) 15 15 20 10 10 8 5
    MAX PV Lubrication
    200 200 60 60 80 40 150
    Permanent compression deformatio
    <0.01 <0.005 <0.04 <0.05 <0.05 <0.015 <0.002
    Bearing characteristics products long use points for attention product advantagesModern design is creating a huge demand for today’s self-lubricating bearing materials. Even in severe extreme operating conditions and maximum load conditions maintenance free is required. With the continuous increase of cost requirements, enterprises have higher and higher requirements on the reliability of equipment and plant operation. Metal self – lubricating bearings can meet the requirements of maintenance – free and self – lubricating in long – term service conditions, which makes it possible to design a reliable long – term self – lubricating system. Metal type self-lubricating bearing materials can be widely used for rotating, swinging and linear reciprocating motion under high load and low speed conditions, and also suitable for occasions where traditional lubrication cannot be achieved or is prohibited, or for long-term and stable use under special conditions such as dust, impact load or irradiation.

    Our products are used in many industries.

graphite plugged bronze bushings


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