Engineering plastic bearings use high-performance engineering plastics as the base material. High-strength fibers reinforce the structure of the material, and the combination of special solid lubricants and greases makes engineering plastic bearings excellent self-lubricating performance and wear resistance. We offer a wide range of solutions for the automotive industry with high durability requirements, high speed applications, underwater applications, high temperature and corrosion protection applications, or food machinery requiring compliance with FDA standards.
Characteristics
- The material with self-lubricating function can be used without lubrication, so it is effective in maintaining cleanliness and reducing maintenance costs.
- Compared to metal bearings, the manufacturing process is simpler and the process cycle is short, so the cost competitiveness is excellent.
- There is little noise from friction.
- It helps to reduce machine weight by reducing weight compared to metal bearings.
- It is applied to clean environments requiring corrosion resistance and light weight, marine facilities, and environments where the use of metal materials is difficult.
Mechanical & Physical properties
| Item | Test Method | Unit | General | High Speed | High Load | Food |
| Specific Gravity | ISO 1183 | g/cm3 | 1.46 | 1.48 | 1.4 | 1.14 |
| Color | Dark Gray | Yellow | Brown | White | ||
| Dynamic Friction Coefficient | μ | 0.05-0.15 | 0.05-0.15 | 0.05-0.15 | 0.01-0.40 | |
| Max. PV Value | N/mm2･m/s | 0.4 | 0.4 | 1 | 0.1 | |
| Max. Rotating Velocity | m/s | 1 | 1.5 | 1.5 | 0.6 | |
| Max. Oscillating Velocity | m/s | 0.7 | 1.1 | 1.1 | 0.4 | |
| Max. Linear Velocity | m/s | 3 | 8 | 5 | 1 | |
| Tensile Strength | ISO 527 | Mpa | 80 | 75 | 90 | 83 |
| Compressive Strength (Axial) | Mpa | 65 | 60 | 65 | 50 | |
| E Module | ISO 527 | Mpa | 2300 | 2400 | 2500 | 2800 |
| Max. Static Contact Pressure at 20℃ | Mpa | 35 | 35 | 150 | 20 | |
| Hardness | ISO 2039-2 | HRR | 108 | 74 | 81 | 76 |
| Temperature for Continuous Work | ℃ | -40 ~ 80 | -50 ~ 90 | -100 ~ 250 | -40 ~ 80 | |
| Temperature for Short time Work | ℃ | -40 ~ 120 | -50 ~ 120 | -100 ~ 310 | -40 ~ 170 | |
| Thermal Conductivity | ASTM E 1461 | W/mk | 0.2 | 0.25 | 0.6 | 0.2 |
| Linear Coefficient of Thermal Expansion | ASTM D 696 | K−1x10-5 | 10 | 9 | 4 | 10 |
| Moisture Absorption RH50/23 ℃ | ASTM D 570 | % | 0.2 | 0.2 | 0.3 | 1.5 |
| Max. Moisture Absorption23 ℃ | % | 1.2 | 1.2 | 1.1 | 7.6 | |
| Flammability | UL94 | HB | HB | V0 | HB | |
| Volume Resistivity | IEC 60093 | Ω･m | >1012 | >1013 | >1011 | >1012 |
| Surface Resistivity | IEC 60093 | Ω | >1015 | >1012 | >1011 | >1015 |
▶ Value indicated above is general value and it can be changed without notification for improvement.
Use
- Generally applicable within the limits of the material properties, Office Equipment, ATM, Medical Equipment, Hydraulic Pump, Fork Lift, Food Industry