Jiaxing Wenhao Precision Hardware Co.,Ltd
Jiaxing Wenhao Precision Hardware Co.,Ltd
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Hydraulic System Cylinder Valve Bushing Oilless Bearings WHB104 Standard
1. Product Description
Hydraulic System Cylinder Valve Bushing Oilless Bearings WHB104 Standard consists of special excellent Metal-Polymer Composite Bushing Material Steel back + Porous Bronze Sinter +PTFE + Fillers. It is lead-free, provides the high load carrying capacity, excellent heat dissipation & good corrosion resistance.Suitable for linear, oscillating and rotating movements.
2. Specification
| Load capacity | Static load | 250 N/mm2 | PVvalue limit | Oil lubrication | 60 N/mm2.m/s |
| Dymamic load | 140 N/mm2 | Dry friction | 3.6 N/mm2.m/s |
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| Oscillating | 60 N/mm2 | Friction coef μ | 0.08~0.20 | ||
| Speed limit | Oil lubrication | 5 m/s | Working temperature | -195℃~+300℃ | |
| Dry friction | 2 m/s | Thermal conductivity | 42W/mk | ||
| Coefficient of linear expansion | 11× 10 -6/K |
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3. Application
Hydraulic System Cylinder Valve Bushing Oilless Bearings WHB104 Standard are widely used in oil cylinder,air cylinder,motor,solenoid valve etc.
4. Advantages
This products offer good wear and low friction performance over a wide range of loads, speeds and temperatures in dry running conditions very good performance in lubricated applications and good performance in greased applications.Suitable for dry running, low coefficient of friction, lower wear, good sliding characteristics, the transfer film created can protect the mating metal surfaces, suitable for rotating and oscillating movement, high chemical resistance, low absorption of water and swelling.