Product series: NTB-20 Series

Substrate characteristics
For high load low speed of rotation,oscillating motion and the heavy load can not open and close as often as the site,under the boundary lubrication conditions,long-term use without refueling,refurling process will greatly improve the life of sleeve.Wear-resistant surface layer of the oil hole size holes can be used as storage.Has been widely used in metallurgical machinery,mining machinery,imigation machinery motor vehicles,construction machinery,agricultural machinery,steel rolling machinery.
Technical Parameters
| Max.Load | Static | 250N/mm2 | Temp | -195℃~+280℃ | ||
| Dynamic | 140N/mm2 | Friction coefficient | Dry | 0.03~0.20 | ||
| Rotating oscillating | 60N/mm2 | Lubrication | >2m/s | |||
| Max.Spped | Dry | 2m/s | Thermal conductivity | 42W(m·k)-1 | ||
| Lubrication | >2m/s | |||||
| Max.pv(Dry) | Short-term | 3.6N/mm2·m/s | coefficient of thermal expansion | 11×10-6K-1 | ||
| Contincuos | 1.8N/mm2·m/s | |||||
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