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SF-1W Carbon Steel Pb-free Self-lubricating Bearing

Carbon Steel Pb-free Self-lubricating Bearing

Features

SF-1W is a new type bushing without lead composition which is developed aiming at increasing demands on environmental protection. Besides its wide application on general machines, SF-1 is particularly suitable for food machine, Pharmaceutical machine, tobacco, machine etc.

Material Structure

  1. PTFE with fibre 0.01~0.03mm
  2. Porous bronze 0.2~0.3mm
  3. Steel backing 0.7~2.3mm
  4. Tin-plating 0.005mm or copper plating 0.008mm

Available forms

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

Application Feature

  • PTFE and fibre can protect the shaft while in operation.
  • It is suitable for the machine required harmless to people because of Lead-free.
  • Goodload capacity and anti-wear.
  • Bronze and steel have good thermal conductivity.
  • Anti-corrosion because of surface plating.
  • It is widely used in general machines,and suitable for food machine,pharmaceutical machine,tobacco machine etc.It will subsitute SF-1 in future because of environment protection.

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 2.5m/s 
Max PV Dry friction 3.6N/mm2．m/s Oil Lubrication 5m/s 
Oil Lubrication 50N/mm2．m/s Thermal conductivity 42W(m．K)-1 
Operation Temp. -195℃~＋280℃ Coefficient of thermal expansion 11x10-6/K 

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