Marginal Bearing mg-1b bronze backed with bronze powder ptfe/fibre self-lubricating bearing a specialized manufacturer of self-lubricating bearings & bushings, Marginal Bearing who was founded in the year 2010, is devoted to developing and manufacturing new self-lubricating bearing materials.

MG-1B Bronze Backed with Bronze Powder PTFE/Fibre Self-Lubricating Bearing
  • MG-1B Bronze Backed with Bronze Powder PTFE/Fibre Self-Lubricating Bearing
  • MG-1B Bronze Backed with Bronze Powder PTFE/Fibre Self-Lubricating Bearing

Suitable for dry running, low coefficient of friction, lower wear, good sliding characteristics,the_transfer film

created can protect the mating metal surface,suitable for rotary and oscillating movement. Very high chemical resistance, low absorption of water and swelling, also performs very good lubrication feature, the bronze backing provides the improved corrosion resistance comparing with CSB-50.

◆ Technical Data:

Technical Data
Max.loadStatic250 N/mm
Very low speed 140N/mm
PV (dry running) Max.Roatating oscillating 60N/mm
Short-term operation 3.6N/mm2·m/s
Continuous operation 1.8N/mm ·m/s
Temp. limit -195℃~+280℃
Friction coenncient 0.03~0.20
Max. speedDry running2m/s
Hydrodynamic operation >2m/s
Thermal conductivity 60 W(m·k)-1
Coenncient of thermal expansion 18×10 ·K


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This material meets the demanding criteria for long life and trouble-free performance with or without lubricant, of high safety factor even.

The bronze backing provides a high corrosion resistance,anti magnetic properties and a good thermal conductivity,The bearings are particularly appropriate for high temperature environment where no oil is efficient and the machine must be under successive long period working condition. The typical applications covered Steel metallurgy industry such as bushes for roller grooves of successive.


Application