Project Description
Trusted Oilless Bearings services
Trusted & reliable Bronze Oilless Parts services
Trusted handyman services
A manufacturing consultant and engineer, supplies a broad range of standard bronze oilless parts and self-lubricating bushing, wear plates for for dry applications
Maintenance Solutions for Bearing
Discover the maintenance-free plain bearing product range of viiplus. Contact the manufacturer directly.

Contact Us
Get custom engineered solutions at Viiplus. Call us or visit today!
Precision Bearing
Unique design solutions to complex problems and an unparalleled level of service
Custom Service
Custom bearings designed to provide maximum capacity.
Bearing Maintenance
Bearings are important mechanical components that help in maintaining the linear and rotational movements of a machine and it is important they are maintained properly to ensure long operational life.
Bearings play a significant role in the free and unrestricted movement of mechanical parts or components, from your car wheels to your skateboards as well as many other things too. Bearings bear the weight of the load and make things move without any or with much less friction. In a world without bearings, mechanically moving parts will malfunction and stick, preventing smooth operation. Bearing life can be affected based on the type of bearing, the load they are asked to carry, and the maintenance schedule. Properly maintained, bearing life can be extended and downtime can be reduced.
Fast Deliver
Improve Efficiency

Amazing features
Lubrication System Maintenance
To keep your machines operating at their peak it is important to keep your lubrication system in tip-top shape too. Also, inspections bearings should be performed periodically to detect leaks that can be repaired before they become serious problems. With routine lubrication-bearing system maintenance, many common problems can be avoided. Here is a checklist to help you implement a lubrication system maintenance program that will keep your machines operating smoothly.
Top quality
Custom Service
Advantages Of Oilless Bearings & Wear Plates
Higher load bearing capacity and reduce cost
Higher resistance to vibration and increased lifetime
Easy installation
Lower souring costs
Increased shaft tolerances possible


Reduce costs with OILLESS BEARING PARTS
We’re here to help
Provides services and quality bronze oilless products to provide you with the best possible solutions for your needs at any time.
Focus on reducing or eliminating friction, wear and lubrication bronze oilless parts
Manufacturers of maintenance-free sliding elements
Choose your Application
Bronze Oilless Bearings for off-highway equipment. No Need for Complex Greasing System.
Finishing Parts Main Base Alloy
Performance. & Chemical Compositions | CuZn25Al6FeMn3 High Brass | CuZn25Al6FeMn3 Special Brass | CuSn5Pb5Zn5 Tin Bronze | CuAl10Ni aluminium bronze | CuSn12 Tin bronze | Cast Iron HT250 EB00 |
Cu% | 65 | 65 | 85 | 80 | 88 | |
Sn% | 5 | 12 | ||||
Pb% | 5 | |||||
Zn% | 25 | 25 | 5 | |||
Ni% | 5 | |||||
Al% | 6 | 6 | 10 | |||
Fe% | 5 | |||||
Mn% | 4 | 4 | ||||
Dengity g/cm 3 | 8.0 | 8.0 | 8.8 | 8.3 | 8.8 | 7.3 |
Hardness | >210 | >180 | >70 | >150 | >80 | >160 |
Tensile Strength | >750 | >550 | >200 | >500 | >360 | >250 |
Elongation | >12 | >12 | 15 | >10 | >8 | |
Coeicient of linear expansion | 1.9·10 -5 /℃ | 1.9·10 -5 /℃ | 1.8·10 -5 /℃ | 1.6·10 -5 /℃ | 1.8·10 -5 /℃ | 1.0·10 -5 /℃ |
Limit Temp. | 300~400 | 300~400 | 400 | 400 | 400 | 400 |
Max. Load N/mm 2 | 100 | 80 | 60 | 50 | 70 | 10 |
Max. Speed m/min | 15 | 15 | 10 | 20 | 10 | 15 |
Max. PV N/mm2·m/min | 200 | 200 | 200 | 200 | 200 | 40 |
400N/mm2 | <0.01 | <0.01 | <0.05 | <0.04 | <0.05 | <0.015 |
Friction of coe. Oil 0.03; Dry 0.16
Alloy International Code
Alloy International Code
Custom Size Options, machining bronze bushings and a supplier of solid bronze oilless bushes and plate delivered on time and on budget.
Oilless Bushing Alloy International Code
Chinese Code GB1776-87 | International counterparts | Applications | |||
International ISO 1338 | Japan Jis | (USA) ASTM (UNS) | German DIN | ||
CuZn25AI6FeMn3 | CuZn25AI6FeMn3 | H5102 CAC304 | B30-92 C86300 | DIN1709 G-CuZn25A/2.0598 | High-load, low speed, general use |
CuZn25AI6FeMn3 | CuZn25AI6FeMn3 | H3102 CAC304 | B30-92 C86300 | DIN1709 G-CuZn25A/2.0598 | Super high load, low-speed, high duty |
CuAI10Fe3 | CuAI10Fe3 | H5114 CAC703 | B30-92 95800 | DIN1714 GB-CuAI10NI/2.1096 | Medium load, medium-speed, general use |
CuSn5Pb5Zn5 | QSn5-5-5 | H5111 CAC406 | B30-92 C83600 | DIN1705 G-Cu5n5ZnPb/2.1096 | Medium load, medium-speed |
DB5675-85 HT250 | Fe250 | ASTM class40 | low-load, low-speed |
Solid Lubricant
Solid Lubricant | Features | Typical application |
SSL1(PTFE etc + Add) | Excellent resistance against chemical attacks and low friction. Temp limit 400℃ | Suite for general machines and under atmosphere |
SL2(PTFE etc + Add2) | Lowest in friction and good of water lubrication,Temp.limit 300℃ | Ship, hydraulic turbine, gas turbine etc. |