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SF-1B Bronze Pb-free Self-lubricating Bearing

Bronze Pb-free Self-lubricating Bearing

Features

SF-1B is of high safety factory, and is particularly appropriate for high temperature environment where no oil is effcient and where the machine must be under successive long period working condition.

This is widely used in steel metallurgy industry such as bushes for roller grooves of successive casting machines.cement grouting pumps and screw converyers for cement.It can also be composed in steel housing or fabricated into Flanged bushes which can move both in radial and in axial directions.

It can be applied in bridge bearing plate because of thicker inner surface layer to arrive 130N/mm2.

Material Structure

  1. 1.PTFE with Fiber 0.01~0.03mm
  2. Porous bronze 0.2~0.3mm
  3. Bronze backing 0.7~2.3mm

Available forms

Bushes, flanged bushes, WC thrust washers, strip and other non-standard parts and so on.

Application Feature

  • PTFE and Friber can protect the shaft,while the machine in operation.
  • It can be composed in steel housing, or fabricated into flanged bushes which result in function for montion both on flange and I.D.
  • It is widely used in steel metallurgy industry, such as bushes for foller grooves of successive casting machines, cement grouting pumps and scrow conveyers of machine .
  • Bronze have good thermal conductivity, it'll divert heat while the machine operating.
  • It can be applied in the machine, working long time, which examine and repair is incapable, because the bronze can lubricate itself.
  • It is used in the feeble acid and alkali condition because of good anti-corrosion of bronze backing.
  • Good load capacity.

Specification

Max Load Static load 250N/mm2   Friction Coef Dry friction 0.08~0.22
Low-speed Rotation 140N/mm2 Oil Lubrication 0.02~0.07
Rotation、Oscillation 60N/mm2 Max linear velocity Dry friction 2m/s 
Max PV Dry friction 3.6N/mm2．m/s Oil Lubrication 5m/s 
Oil Lubrication 50N/mm2．m/s Thermal conductivity 70W(m．K)-1 
Operation Temp. -195℃~＋280℃ Coefficient of thermal expansion 17x10-6/K 

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