Jiaxing Wenhao Precision Hardware Co.,Ltd
Jiaxing Wenhao Precision Hardware Co.,Ltd
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Pump & Valve Bearing Sleeve POM Bushings For Industrial maintenance-free
1. Product Description
Pump & Valve Bearing Sleeve POM Bushings For Industrial maintenance-free are made up of Material Steel Back + Porous Bronze Sinter +POM with Lubrication Indents,it provides high wearresistance and low friction. 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 | 70 N/mm2 | Friction coef μ | 0.03~0.20 | ||
| 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
Pump & Valve Bearing Sleeve POM Bushings For Industrial maintenance-free are widely used inpiston pump ,gear pump,valve etc.
4. Advantages
This products less maintenance requirements due to the long re-lubrication intervals, lower wear, lower susceptibility to edge loading, no absorption of water and therefore no swelling, good damping behaviours, good resistance to shock loads. With excellent anti-pollution performance, good friction and wear resistance and good chenical corrosion.